TY - JOUR
A1 - Ferrein, Alexander
T1 - Robot controllers for highly dynamic environments with real-time constraints
JF - Künstliche Intelligenz : KI. 24 (2010), H. 2
Y1 - 2010
SN - 1610-1987
SP - 175
EP - 178
ER -
TY - JOUR
A1 - Ferrein, Alexander
A1 - Lakemeyer, Gerhard
T1 - Roboterfußball - Wissenschaft, die auch Spass macht / Ferrein, Alexander ; Lakemeyer, Gerhard
JF - RWTH Themen (2006)
Y1 - 2006
SN - 0179-079X
SP - 36
EP - 39
ER -
TY - JOUR
A1 - Heuermann, Holger
A1 - Schiek, B.
T1 - Robust Algorithms for Txx Network Analyzer Self-Calibration Procedures
JF - IEEE transactions on instrumentation and measurement : IM / Institute of Electrical and Electronics Engineers, Instrumentation and Measurement Group. 43 (1994), H. 1
Y1 - 1994
SN - 0018-9456
SP - 18
EP - 23
ER -
TY - JOUR
A1 - Ferrein, Alexander
A1 - Jacobs, Stefan
A1 - Schiffer, Stefan
A1 - Beck, Daniel
T1 - Robust Collision Avoidance in Unknown Domestic Environments / Jacobs, Stefan ; Ferrein, Alexander ; Schiffer, Stefan ; Beck, Daniel ; Lakemeyer, Gerhard
JF - ROBOCUP 2009: ROBOT SOCCER WORLD CUP XIII
Y1 - 2009
N1 - Lecture Notes in Computer Science ; 5949
SP - 116
EP - 127
PB - Springer
CY - Berlin
ER -
TY - JOUR
A1 - Krause, Gregor
A1 - Forsyth, Paul A.
A1 - Peter, Till
T1 - Robuste Filter in der Energieversorgung / Paul A. Forsyth, Gregor Krause, Till Peter
JF - ETZ. 114 (1993), H. 22
Y1 - 1993
N1 - Printausgabe: Aachen Eupener Str.: 23 Z 133; Jülich: 63 ZS 035
SP - 1382
EP - 1385
ER -
TY - JOUR
A1 - Heuermann, Holger
A1 - Schiek, Burkhard
T1 - Robuster Algorithmus zur Streuparameterbestimmung für systemfehlerkorrigierte Netzwerkanalysatoren
JF - Kleinheubacher Berichte : Vorträge und Berichte der gemeinsamen Tagung des U.R.S.I.-Landesausschusses in der Bundesrepublik Deutschland / Hrsg.: Deutsche Telekom AG. 35. 1991 (1991)
Y1 - 1991
SP - 555
EP - 556
ER -
TY - JOUR
A1 - Hüning, Felix
T1 - Robusti affidabili per le Sfide dell’automotive
JF - Selezione di Elettronica (2008)
Y1 - 2008
SP - 116
EP - 117
PB - -
ER -
TY - JOUR
A1 - Hartung, Frank
A1 - Baldo, N.
A1 - Horn, U.
A1 - Kampmann, M.
T1 - RTCP feedback based transmission rate control for 3G wireless multimedia streaming / Baldo, N. ; Horn, U. ; Kampmann, M. ; Hartung, F. ;
JF - 15th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, 2004. PIMRC 2004. Date:5-8 Sept. 2004 ; Vol. 3
Y1 - 2004
N1 - http://dx.doi.org/10.1109/PIMRC.2004.1368313
SP - 1817
EP - 1821
ER -
TY - JOUR
A1 - Fiedler, Thomas M.
A1 - Ladd, Mark E.
A1 - Clemens, Markus
A1 - Bitz, Andreas
T1 - Safety of subjects during radiofrequency exposure in ultra-high-field magnetic resonance imaging
JF - IEEE Letters on Electromagnetic Compatibility Practice and Applications
N2 - Magnetic resonance imaging (MRI) is one of the most important medical imaging techniques. Since the introduction of MRI in the mid-1980s, there has been a continuous trend toward higher static magnetic fields to obtain i.a. a higher signal-to-noise ratio. The step toward ultra-high-field (UHF) MRI at 7 Tesla and higher, however, creates several challenges regarding the homogeneity of the spin excitation RF transmit field and the RF exposure of the subject. In UHF MRI systems, the wavelength of the RF field is in the range of the diameter of the human body, which can result in inhomogeneous spin excitation and local SAR hotspots. To optimize the homogeneity in a region of interest, UHF MRI systems use parallel transmit systems with multiple transmit antennas and time-dependent modulation of the RF signal in the individual transmit channels. Furthermore, SAR increases with increasing field strength, while the SAR limits remain unchanged. Two different approaches to generate the RF transmit field in UHF systems using antenna arrays close and remote to the body are investigated in this letter. Achievable imaging performance is evaluated compared to typical clinical RF transmit systems at lower field strength. The evaluation has been performed under consideration of RF exposure based on local SAR and tissue temperature. Furthermore, results for thermal dose as an alternative RF exposure metric are presented.
Y1 - 2020
SN - 2637-6423
U6 - http://dx.doi.org/10.1109/LEMCPA.2020.3029747
VL - 2
IS - 3
SP - 1
EP - 8
PB - IEEE
CY - New York, NY
ER -
TY - JOUR
A1 - Fiedler, Thomas M.
A1 - Ladd, Mark E.
A1 - Bitz, Andreas
T1 - SAR Simulations & Safety
JF - NeuroImage
Y1 - 2017
U6 - http://dx.doi.org/10.1016/j.neuroimage.2017.03.035
SN - 1053-8119
IS - Epub ahead of print
PB - Elsevier
CY - Amsterdam
ER -
TY - JOUR
A1 - Heuermann, Holger
A1 - Schiek, Burkhard
T1 - Scattering Parameter Measurements of Microstrip Devices using the Double-LNN Calibration Technique
JF - Conference proceedings : [Palais des Festivals et des Congrès Cannes, France, 5 - 8 September 1994]
Y1 - 1994
SN - 0-9518032-5-5
N1 - European Microwave Conference <24, 1994, Cannes>
PB - Nexus Business Communications
CY - Swanley
ER -
TY - JOUR
A1 - Samm, Doris
A1 - Faissner, H.
A1 - Göttlicher, P.
A1 - Matela, H.
T1 - Search for scalar and pseudoscalar bosons emitted in nuclear decays via their interactions / Faissner, H.; Goettlicher, P. ; Matela, H. ; Samm, D.
JF - Zeitschrift für Physik A Hadrons and Nuclei. 341 (1992), H. 3
Y1 - 1992
SP - 359
EP - 364
ER -
TY - JOUR
A1 - Samm, Doris
A1 - Faissner, H.
A1 - Heinrigs, W.
A1 - Preussger, A.
T1 - Search for the two-photon decay of a light penetrating particle from a 590 MeV proton beam dump / Faissner, H.; Heinrigs, W.; Preussger, A.; Reitz, J.; Samm, D. [u.a.]
JF - Zeitschrift für Physik, C Particles and Fields. 44 (1989), H. 4
Y1 - 1989
SP - 557
EP - 566
ER -
TY - JOUR
A1 - Schuba, Marko
A1 - Wrona, Konrad
T1 - Security for Mobile Commerce Applications / Schuba, Marko ; Wrona, Konrad
Y1 - 2001
N1 - Multimedia, Internet, Video Technologies 2001 (MIV 2001), Malta, September 1-6, 2001 ; WSEAS Conference ; World Scientific and Engineering Academy and Society
SP - 1
EP - 8
ER -
TY - JOUR
A1 - Heuermann, Holger
T1 - Selbstkalibrierverfahren zur Systemfehlerkorrektur von Streuparametermessungen auf Halbleitersubstraten
JF - Mikrowellen und Optronik : Kongreßunterlagen = Microwaves and optronics / MIOP '95, 8. Kongreßmesse für Hochfrequenztechnik, Messehalle Sindelfingen, 30. Mai - 1. Juni 1995. [Hrsg.: Network GmbH]
Y1 - 1995
SN - 3-924651-45-0
N1 - MIOP ; (8, 1995, Sindelfingen)
SP - 23
EP - 29
CY - Hagenburg
ER -
TY - JOUR
A1 - Krause, Gregor
A1 - Schuppe, W.D.
A1 - Saure, M.
A1 - Andress, H.
T1 - Sensitive Analytical and Physical Methods for Diagnosis of Variations in Polyolefin Plaques and Cable Insulations / W.D. Schuppe, M. Saure, H. Andress, K. Möller, D. Meurer, G. Krause
JF - Proceedings of the 32nd session : 28th August - 3rd September.
Y1 - 1988
N1 - International Conference on Large Electric Systems, CIGRÉ <32, Paris, 1988>
ER -
TY - JOUR
A1 - Krause, Gregor
A1 - Schuppe, W.D.
A1 - Saure, M.
A1 - Andress, H.
T1 - Sensitive Analytische und Physikalische Verfahren zum Nachweis von Veränderungen in Platten und Kabelisolierungen aus Polyolefinen / W.D. Schuppe, M. Saure, H. Andress, K. Möller, D. Meurer, G. Krause
JF - AEG Technische Mitteilungen (1989)
Y1 - 1989
ER -
TY - JOUR
A1 - Lohr, Jürgen
T1 - Server für den interaktiven Einsatz
T1 - Server for the interactive use
N2 - Jürgen Lohr, Jahrgang 1962, beschäftigt mit Softwareentwicklung im Projekt "Interaktive Multimedia" bei Telekom AG, Entwicklungszentrum Berlin. Zuerst erschienen in: Telekom-Praxis Ausgabe 1996. Inhaltsverzeichnis: 1. Einleitung 1.1 Einführung 1.2 Neue Dienste und Anwendungen 2 Modell zur Verteilung und Architektur 3 Technologien 3.1 Netzwerk 3.2 Computertechniken 3.3. Aufgaben der Server 4 Geplanter Einsatz der Pilotprojekte 4.1 Pilote der Telekom 4.2 Show-Case Berlin 5 Verwendete Server-Architektur 5.1 Berlin - SEL/Alcatel 5.2 Hanburg - Philips 5.3. Köln/Bonn - Digital, FUBA und Nokia 5.4 Nürnberg - Oracle, nCube und Sequent 5.5 Stuttgart - SEL/Alcatel, Hewlett Packard und Bosch 6 Zukünftige Aspekte 6.1 DVB 6.2 DAVIC 6.3 weitere Aspekte 7 Zusammenfassung 8 Schrifttum 9 verwendete Abkürzungen
KW - Multimediamarkt
Y1 - 1996
ER -
TY - JOUR
A1 - Czarnecki, Christian
A1 - Winkelmann, Axel
A1 - Spiliopoulou, Myra
T1 - Services in electronic telecommunication markets: a framework for planning the virtualization of processes
JF - Electronic Markets
N2 - The potential of electronic markets in enabling innovative product bundles through flexible and sustainable partnerships is not yet fully exploited in the telecommunication industry. One reason is that bundling requires seamless de-assembling and re-assembling of business processes, whilst processes in telecommunication companies are often product-dependent and hard to virtualize. We propose a framework for the planning of the virtualization of processes, intended to assist the decision maker in prioritizing the processes to be virtualized: (a) we transfer the virtualization pre-requisites stated by the Process Virtualization Theory in the context of customer-oriented processes in the telecommunication industry and assess their importance in this context, (b) we derive IT-oriented requirements for the removal of virtualization barriers and highlight their demand on changes at different levels of the organization. We present a first evaluation of our approach in a case study and report on lessons learned and further steps to be performed.
KW - Telecommunication
KW - Services
KW - Process virtualization
KW - Product bundling
KW - Transformation
Y1 - 2010
U6 - http://dx.doi.org/10.1007/s12525-010-0045-8
SN - 1422-8890
VL - 20
IS - 3-4
SP - 197
EP - 207
PB - Springer
CY - Berlin
ER -
TY - JOUR
A1 - Umutlu, Lale
A1 - Kraff, Oliver
A1 - Fischer, Anja
A1 - Kinner, Sonja
A1 - Maderwald, Stefan
A1 - Nassenstein, Kai
A1 - Nensa, Felix
A1 - Grüneisen, Johannes
A1 - Orzada, Stephan
A1 - Bitz, Andreas
A1 - Forsting, Michael
A1 - Ladd, Mark E.
A1 - Lauenstein, Thomas C.
T1 - Seven-Tesla MRI of the female pelvis
JF - European Radiology
Y1 - 2013
U6 - http://dx.doi.org/10.1007/s00330-013-2868-0
SN - 1432-1084
VL - 23
IS - 9
SP - 2364
EP - 2373
PB - Springer
CY - Berlin
ER -
TY - JOUR
A1 - Turdumamatov, Samat
A1 - Belda, Aljoscha
A1 - Heuermann, Holger
T1 - Shaping a decoupled atmospheric pressure microwave plasma with antenna structures, Maxwell’s equations, and boundary conditions
JF - IEEE Transactions on Plasma Science
N2 - This article addresses the need for an innovative technique in plasma shaping, utilizing antenna structures, Maxwell’s laws, and boundary conditions within a shielded environment. The motivation lies in exploring a novel approach to efficiently generate high-energy density plasma with potential applications across various fields. Implemented in an E01 circular cavity resonator, the proposed method involves the use of an impedance and field matching device with a coaxial connector and a specially optimized monopole antenna. This setup feeds a low-loss cavity resonator, resulting in a high-energy density air plasma with a surface temperature exceeding 3500 o C, achieved with a minimal power input of 80 W. The argon plasma, resembling the shape of a simple monopole antenna with modeled complex dielectric values, offers a more energy-efficient alternative compared to traditional, power-intensive plasma shaping methods. Simulations using a commercial electromagnetic (EM) solver validate the design’s effectiveness, while experimental validation underscores the method’s feasibility and practical implementation. Analyzing various parameters in an argon atmosphere, including hot S -parameters and plasma beam images, the results demonstrate the successful application of this technique, suggesting its potential in coating, furnace technology, fusion, and spectroscopy applications.
KW - 3-D printing
KW - Furnace
KW - Fusion
KW - Hot S-parameter
KW - Mode converter
Y1 - 2024
U6 - http://dx.doi.org/10.1109/TPS.2024.3383589
SN - 0093-3813 (Print)
SN - 1939-9375 (Online)
IS - Early Access
SP - 1
EP - 9
PB - IEEE
ER -
TY - JOUR
A1 - Schlamann, Marc
A1 - Yoon, Min-Suk
A1 - Maderwald, Stefan
A1 - Pietrzyk, Thomas
A1 - Bitz, Andreas
A1 - Gerwig, Marcus
A1 - Forsting, Michael
A1 - Ladd, Susanne C.
A1 - Ladd, Mark E.
A1 - Kastrup, Oliver
T1 - Short term effects of magnetic resonance imaging on excitability of the motor cortex at 1.5T and 7T
JF - Academic Radiology
N2 - Rationale and Objectives
The increasing spread of high-field and ultra-high-field magnetic resonance imaging (MRI) scanners has encouraged new discussion of the safety aspects of MRI. Few studies have been published on possible cognitive effects of MRI examinations. The aim of this study was to examine whether changes are measurable after MRI examinations at 1.5 and 7 T by means of transcranial magnetic stimulation (TMS).
Materials and Methods
TMS was performed in 12 healthy, right-handed male volunteers. First the individual motor threshold was specified, and then the cortical silent period (SP) was measured. Subsequently, the volunteers were exposed to the 1.5-T MRI scanner for 63 minutes using standard sequences. The MRI examination was immediately followed by another TMS session. Fifteen minutes later, TMS was repeated. Four weeks later, the complete setting was repeated using a 7-T scanner. Control conditions included lying in the 1.5-T scanner for 63 minutes without scanning and lying in a separate room for 63 minutes. TMS was performed in the same way in each case. For statistical analysis, Wilcoxon's rank test was performed.
Results
Immediately after MRI exposure, the SP was highly significantly prolonged in all 12 subjects at 1.5 and 7 T. The motor threshold was significantly increased. Fifteen minutes after the examination, the measured value tended toward normal again. Control conditions revealed no significant differences.
Conclusion
MRI examinations lead to a transient and highly significant alteration in cortical excitability. This effect does not seem to depend on the strength of the static magnetic field.
Y1 - 2010
U6 - http://dx.doi.org/10.1016/j.acra.2009.10.004
SN - 1076-6332
VL - 17
IS - 3
SP - 277
EP - 281
PB - Elsevier
CY - Amsterdam
ER -
TY - JOUR
A1 - Heuermann, Holger
A1 - Schiek, Burkhard
T1 - Sichere on-wafer-Streuparameter-Messungen mit Selbstkalibrierverfahren
JF - Kleinheubacher Berichte : Vorträge und Berichte der gemeinsamen Tagung des U.R.S.I.-Landesausschusses in der Bundesrepublik Deutschland / Hrsg.: Deutsche Telekom AG. 38. 1994 (1994)
Y1 - 1994
SP - 611
EP - 622
ER -
TY - JOUR
A1 - Oßmann, Martin
A1 - Kazay, B.
T1 - Simple circuit provides high-side current sensing / Ossmann, M ; Kazay, B.
JF - EDN. 45 (2000), H. 21
Y1 - 2000
SN - 0012-7515
SP - 200
EP - 200
ER -
TY - JOUR
A1 - Prume, Klaus
A1 - Gerber, Peter
A1 - Kügeler, Carsten
A1 - Roelofs, Andreas
T1 - Simulation and measurements of the piezoelectric properties response (d33) of piezoelectric layered thin film structures influenced by the top-electrode size / Prume, K. ; Gerber, P. ; Kügeler, C. ; Roelofs, A. ; Böttger, U. ; Waser, R. ; Schmitz-Kempen,
Y1 - 2004
SN - 0-7803-8410-5
N1 - 14th IEEE International Symposium on Applications of Ferroelectrics, 2004. ISAF-04. 2004
SP - 7
EP - 10
ER -
TY - JOUR
A1 - Schuba, Marko
A1 - Reichl, Peter
A1 - Kesdogan, Dogan
A1 - Junghärtchen, Klaus
T1 - Simulative Performance Evaluation of the Temporary Pseudonym Method for Protecting Location Information in GSM Networks / Reichl, P. ; Kesdogan, D. ; Junghärtchen, K. ; Schuba, M.
JF - Computer Performance Evaluation - Modelling Techniques and Tools / Puigjaner, Ramon (eds.)
Y1 - 1998
SN - 3-540-64949-2
N1 - Lecture notes in computer science ; 1469
SP - 105
EP - 116
PB - Springer
CY - Berlin
ER -
TY - JOUR
A1 - Benkner, Thorsten
T1 - Single Carrier FDMA: Mehr Leistungseffizienz für UMTS-LTE-Terminals
JF - Wissenschaftliches Kommunikations- und Sicherheitskolloquium 2009 / Hrsg.: Christoph Ruland
Y1 - 2009
SN - 978-3-8322-8143-4
SP - 179
EP - 188
PB - Shaker
CY - Aachen
ER -
TY - JOUR
A1 - Oßmann, Martin
A1 - Kazay, B.
T1 - Single mu C pin makes half-duplex RS-232C / Ossmann, M
JF - EDN. 44 (1999), H. 16
Y1 - 1999
SN - 0012-7515
SP - 118
ER -
TY - JOUR
A1 - Schuba, Marko
A1 - Höfken, H.
A1 - Schaefer, T.
T1 - Smartphone Forensik
JF - Hakin9 : Practical Protection (2012)
Y1 - 2012
SN - 1733-7186
SP - 10
EP - 20
PB - -
ER -
TY - JOUR
A1 - Hüning, Felix
T1 - SMD packages for PowerMOSFETs in automotive applications – developments and trends
JF - Automotive Designline Europe (2009)
Y1 - 2009
PB - -
ER -
TY - JOUR
A1 - Zastrow, Udo
T1 - Solution of plane anisotropic elastostatical boundary value problems by singular integral equations
JF - Acta Mechanica. 44 (1982), H. 1-2
Y1 - 1982
SN - 1619-6937
SP - 59
EP - 71
ER -
TY - JOUR
A1 - Krause, Gregor
A1 - Meurer, D.
A1 - Klee, D.
T1 - Space Charge Formation Related to the Morphology of Polymers
JF - ISE 6 : 6th International symposium on electrets : Papers
Y1 - 1988
N1 - International Symposium on Electrets <6, 1988, Oxford>
PB - IEEE
CY - Piscataway, NY
ER -
TY - JOUR
A1 - Krause, Gregor
A1 - Meurer, D.
A1 - Klee, D.
T1 - Space charge formation related to the morphology of polymers
JF - IEEE Transaction on Electrical Insulation. Vol. 24 (1989), H. No. 3
Y1 - 1989
N1 - Digital Object Identifier 10.1109/14.30883
SP - 215
EP - 222
ER -
TY - JOUR
A1 - Krause, Gregor
A1 - Göttlich, S.
A1 - Möller, K.
A1 - Meurer, D.
T1 - Space Charge Phenomena in Partially Crystalline Polymers: On-Line Measurement of Charge Carrier Motion under High AC-Field Strength / G. Krause, S. Göttlich, K. Möller, D. Meurer
JF - Proceedings of the 3rd International Conference on Conduction and Breakdown in Solid Dielectrics : Trondheim, Norway ... 1989
Y1 - 1989
N1 - International Conference on Conduction and Breakdown in Solid Dielectrics <3, 1989, Trondheim>
PB - IEEE
CY - Piscataway, N.J.
ER -
TY - JOUR
A1 - Alt, Helmut
T1 - Spannungs-Blindleistungs-Regelung mit gesteuerten Netzkennlinien
JF - Elektrotechnische Zeitschrift : Ausgabe A, Zeitschrift für elektrische Energietechnik : ETZ
Y1 - 1976
SN - 0302-265x
VL - 97
IS - 7
SP - 441
EP - 446
PB - VDE-Verlag
CY - Wuppertal
ER -
TY - JOUR
A1 - Ferrein, Alexander
A1 - Dylla, Frank
A1 - Lakemeyer, Gerhard
T1 - Specifying Multirobot Coordination in ICPGolog - From Simulation towards Real Robots / Dylla, Frank ; Ferrein, Alexander ; Lakemeyer, Gerhard
Y1 - 2003
N1 - AOS-4 at IJCAI-03
SP - 1
EP - 10
ER -
TY - JOUR
A1 - Ferrein, Alexander
T1 - Specifying Soccer Moves with Golog
JF - Book of abstracts : Cologne, 15 - 17 September 2004 / 1st International Working Conference IT and Sport & 5th conference DVS-Section Computer Science in Sport
Y1 - 2005
SN - 3-00-014576-1
N1 - International Working Conference IT and Sport 1, 2004, Köln ; Deutsche Vereinigung für Sportwissenschaft
SP - 161
EP - 165
PB - German Sport Univ.
CY - Köln
ER -
TY - JOUR
A1 - Schuba, Marko
T1 - SRMT-a scalable and reliable multicast transport protocol
JF - IEEE International Conference on Communications, 1998. ICC 98. Vol. 1
Y1 - 1998
SN - 0-7803-4788-9
SP - 612
EP - 616
ER -
TY - JOUR
A1 - Hartung, Frank
A1 - Noh, Jeonghun
A1 - Baccichet, Pierpaolo
A1 - Mavlankar, Aditya
T1 - Standford Peer-to-Peer Mulicast (SPPM) - Overview and recent Extensions / Noh, Jeonghun ; Baccichet, Pierpaolo ; Hartung, Frank ; Mavlankar, Aditya ; Girod, Bernd
Y1 - 2009
SN - 978-1-4244-4593-6
N1 - Picture Coding Symposium, 2009. PCS 2009 ; auch unter IEEE: http://dx.doi.org/10.1109/PCS.2009.5167392
SP - 1
EP - 4
ER -
TY - JOUR
A1 - Alt, Helmut
T1 - Statische oder dynamische Wirtschaftlichkeitsberechnung bei Investitionen zur Energieeinsparung
JF - Elektrowärme international Edition B: Industrielle Elektrowärme : IEW = Industrial applications of electro-heat : EWI ; Zeitschrift für das gesamte Gebiet der Elektrowärme in Industrie, Gewerbe und Haushalt
Y1 - 1982
SN - 0340-3521
VL - Jg. 40
IS - H. 3/4
SP - 166
EP - 172
ER -
TY - JOUR
A1 - Hartung, Frank
A1 - Girod, Bernd
T1 - Statistical optimization of switched two-level quantizers with application to DPCM encoding of color video / Hartung, Frank ; Girod, Bernd
JF - IEEE International Conference on Acoustics, Speech, and Signal Processing, 1996. ICASSP-96. Conference Proceedings., 1996
Y1 - 1996
SN - 0-7803-3192-3
SP - 1974
EP - 1977
ER -
TY - JOUR
A1 - Benkner, Thorsten
T1 - Statistisches Multiplexen von Sprache und Daten in TDMA-Mobilfunksystemen der dritten Generation
JF - 40. Internationales Wissenschaftliches Kolloquium : 18. - 21.09.1995 / Technische Universität Ilmenau, Thüringen. [Hrsg. Dagmar Schipanski]
Y1 - 1995
N1 - Technische Universität ; (Ilmenau) ; Internationales Wissenschaftliches Kolloquium ; (40 : ; 1995.09.18-21 : ; Ilmenau)
CY - Ilmenau
ER -
TY - JOUR
A1 - Alt, Helmut
T1 - Steuerreformgesetz 1990
JF - Elektrizitätswirtschaft
Y1 - 1989
SN - 0013-5496
VL - Bd. 88
IS - H. 1/2
SP - 78
EP - 83
ER -
TY - JOUR
A1 - Alt, Helmut
T1 - Steuerreformgesetz 1990
JF - Elektrizitätswirtschaft
Y1 - 1989
SN - 0947-0581 (E-Journal); 0340-7918 (Print)
VL - Jg. 88
IS - H. 2
SP - 120
EP - 121
ER -
TY - JOUR
A1 - Alt, Helmut
T1 - Steuersenkungs-Erweiterungsgesetz 1988 zur Gesamtentlastung der Einkommensteuer
JF - Betriebs-Berater : BB ; Zeitschrift für Recht und Wirtschaft
Y1 - 1987
SN - 0340-7918
VL - Vol. 42
IS - H. 32
SP - 2207
EP - 2208
ER -
TY - JOUR
A1 - Alt, Helmut
T1 - Steuersenkungsgesetz-Auswirkungen und Berechnung
JF - Elektrizitätswirtschaft
Y1 - 1986
SN - 0013-5496
VL - Jg. 85
SP - 238
EP - 242
ER -
TY - JOUR
A1 - Elsen, Ingo
A1 - Hartung, Frank
A1 - Horn, Uwe
A1 - Kampmann, Markus
A1 - Peters, Liliane
ED - Voas, Jeffrey
T1 - Streaming technology in 3G mobile communication systems
JF - Computer : innovative technology for computer professionals
N2 - Third-generation mobile communication systems will combine standardized streaming with a range of unique services to provide high-quality Internet content that meets the specific needs of the rapidly growing mobile market.
Y1 - 2001
SN - 0018-9162
SN - 1558-0814
VL - 34
IS - 9 Seiten
SP - 46
EP - 52
PB - IEEE
CY - New York
ER -
TY - JOUR
A1 - Hüning, Felix
A1 - Sparta, K.
A1 - Redhammer, G. J.
A1 - Roussel, P.
T1 - Structural Phase Transition in the 2D Spin Dimer Compound SrCu2(BO3)2 / Sparta, K. ; Redhammer, G. J. ; Roussel, P. ; Heger, G. ; Roth, G. ; Ionescu, A. Lemmens, P. ; Grove, M. ; Güntherrodt, G. ; Hüning, F. ; Lueken, H. ; Kageyama, H. ; Onizuka, K ; Ueda
JF - The European Physical Journal B - Condensed Matter and Complex Systems. 19 (2001), H. 4
Y1 - 2001
SN - 1434-6036
SP - 507
EP - 516
PB - -
ER -
TY - JOUR
A1 - Hagemann, Hans-Jürgen
T1 - Störstellengleichgewichte in eisendotierten Titanaten. Hagemann, H. J.
JF - Philips - Unsere Forschung in Deutschland / Hrsg.: Philips Forschungslaboratorium GmbH Aachen und Hamburg. 4 (1989)
Y1 - 1989
SP - 170
EP - 172
ER -
TY - JOUR
A1 - Hartung, Frank
A1 - Girod, Bernd
A1 - Horn, Uwe
T1 - Subband Image Coding / Girod, Bernd ; Hartung, Frank ; Horn, Uwe
JF - Subband and Wavelet Transforms: Design and Applications / ed. by Ali N. Akansu
Y1 - 1995
SN - 0792396456
SP - 213
EP - 250
PB - Kluwer
CY - Boston
ER -
TY - JOUR
A1 - Samm, Doris
A1 - Faissner, H.
A1 - Göttlicher, P.
A1 - Matela, H.
T1 - Suche nach skalaren und pseudoskalaren Teilchen am Kernreaktor Merlin der KFA Juelich / Faissner, H.; Goettlicher, P.; Matela, H.; Samm, D.
JF - Verhandlungen der Deutschen Physikalischen Gesellschaft. 23 (1988), H. 5
Y1 - 1988
N1 - Gemeinsame Fruehjahrstagung der Sektionen Teilchenphysik der Deutschen Physikalischen Gesellschaft e.V. (DPG), der Oesterreichischen Physikalischen Gesellschaft (OePG) und der Schweizerischen Physikalischen Gesellschaft (SPG), Freiburg im Breisgau (German
ER -
TY - JOUR
A1 - Heuermann, Holger
T1 - Sure Methods of On-Wafer Scattering Parameter Measurements with Self-Calibration Procedures
Y1 - 1996
N1 - 46th ARFTG conference digest : November 30 - December 1. 1995, Safari Resort, Scottsdale, Arizona / Automatic RF Techniques Group. [Publ. chairman: Ed. Godshalk]
SP - 136
EP - 145
ER -
TY - JOUR
A1 - Leise, Philipp
A1 - Eßer, Arved
A1 - Eichenlaub, Tobias
A1 - Schleiffer, Jean-Eric
A1 - Altherr, Lena
A1 - Rinderknecht, Stephan
A1 - Pelz, Peter F.
T1 - Sustainable system design of electric powertrains - comparison of optimization methods
JF - Engineering Optimization
N2 - The transition within transportation towards battery electric vehicles can lead to a more sustainable future. To account for the development goal ‘climate action’ stated by the United Nations, it is mandatory, within the conceptual design phase, to derive energy-efficient system designs. One barrier is the uncertainty of the driving behaviour within the usage phase. This uncertainty is often addressed by using a stochastic synthesis process to derive representative driving cycles and by using cycle-based optimization. To deal with this uncertainty, a new approach based on a stochastic optimization program is presented. This leads to an optimization model that is solved with an exact solver. It is compared to a system design approach based on driving cycles and a genetic algorithm solver. Both approaches are applied to find efficient electric powertrains with fixed-speed and multi-speed transmissions. Hence, the similarities, differences and respective advantages of each optimization procedure are discussed.
KW - Powertrain
KW - stochastic optimization
KW - global optimization
KW - genetic algorithm
Y1 - 2021
U6 - http://dx.doi.org/10.1080/0305215X.2021.1928660
SN - 0305-215X
PB - Taylor & Francis
CY - London
ER -
TY - JOUR
A1 - Elsen, Ingo
A1 - Kraiss, Karl-Friedrich
T1 - System concept and realization of a scalable neurocomputing architecture
JF - Systems Analysis Modelling Simulation
N2 - This paper describes the realization of a novel neurocomputer which is based on the concepts of a coprocessor. In contrast to existing neurocomputers the main interest was the realization of a scalable, flexible system, which is capable of computing neural networks of arbitrary topology and scale, with full independence of special hardware from the software's point of view. On the other hand, computational power should be added, whenever needed and flexibly adapted to the requirements of the application. Hardware independence is achieved by a run time system which is capable of using all available computing power, including multiple host CPUs and an arbitrary number of neural coprocessors autonomously. The realization of arbitrary neural topologies is provided through the implementation of the elementary operations which can be found in most neural topologies.
Y1 - 1999
SN - 0232-9298
SN - 1029-4902
VL - 35
IS - 4
SP - 399
EP - 419
PB - Gordon and Breach Science Publishers
CY - Amsterdam
ER -
TY - JOUR
A1 - Alt, Helmut
T1 - Tabellenfreie Berechnung der Einkommensteuer mit Hilfe des programmierbaren Taschenrechners
JF - Elektrizitätswirtschaft
Y1 - 1978
SN - 0013-5496
VL - 77
SP - 486
EP - 489
PB - VWEW-Energieverlag
CY - Frankfurt/Main
ER -
TY - JOUR
A1 - Prume, Klaus
A1 - Raeder, H.
A1 - Tyholdt, F.
A1 - Booij, W. E.
T1 - Taking piezoelectric microsystems from the laboratory to production / Raeder, H. ; Tyholdt, F. ; Booij, W. ; Calame, F. ; Ostbo, N. P. ; Bredesen, R. ; Prume, K. ; Rijnders, G. ; Muralt, P.
JF - Journal of Electroceramics. 19 (2007), H. 4
Y1 - 2007
SN - 1385-3449
SP - 357
EP - 362
ER -
TY - JOUR
A1 - Wolf, Martin
A1 - Foltz, Christian
A1 - Killich, Stephan
A1 - Schmidt, Ludger
T1 - Task and Information Modeling for Cooperative Work / Foltz, Christian ; Killich, Stephan ; Wolf, Martin ; Schmidt, Ludger ; Luczak, Holger
JF - Systems, social and internationalization design aspects of human-computer interaction / ed. by Michael J. Smith, Gavriel Salvendy Vol. 2
Y1 - 2001
SN - 0-8058-3608-X
N1 - International Conference on Human Computer Interaction 9, 2001, New Orleans, La.
SP - 172
EP - 176
PB - -
ER -
TY - JOUR
A1 - Ferrein, Alexander
A1 - Steinbauer, Gerald
A1 - McPhillips, Graeme
A1 - Niemüller, Tim
A1 - Potgieter, Anet
T1 - Team Zadeat 2009 : team report
Y1 - 2009
VL - 6
SP - 1
ER -
TY - JOUR
A1 - Ferrein, Alexander
A1 - Niemüller, Tim
A1 - Steinbauer, Gerald
T1 - Team Zadeat 2010 : application for participation
Y1 - 2010
ER -
TY - JOUR
A1 - Siepmann, Thomas
A1 - Schuh, G.
A1 - Keil, M.
T1 - TELEflow – Eine Methode zum Reengineering von Prozessen in Wertschöpfungsnetzwerken / Schuh, G.; Siepmann, Th.; Keil, M.
JF - Industrie-Management : Zeitschrift für industrielle Geschäftsprozesse (1997)
Y1 - 1997
SP - 21
EP - 24
ER -
TY - JOUR
A1 - Samm, Doris
A1 - Bosetti, P.-C.
T1 - Testmessungen an einem grossflaechigen (Durchmesser 35 cm) Photomultiplier Test measurements of a large-area (diameter 35 cm) photomultiplier / Bosetti, P.-C.; ... Samm, D. [u.a.]
JF - Verhandlungen der Deutschen Physikalischen Gesellschaft. 25 (1990), H. 1
Y1 - 1990
N1 - Fruehjahrstagung des Fachausschusses Teilchenphysik der Deutschen Physikalischen Gesellschaft e.V. (DPG), Hamburg (Germany), 21-24 Mar 1990
SP - 33
EP - 33
ER -
TY - JOUR
A1 - Mühl, Thomas
A1 - Obolenski, B.
T1 - Textilien und elektromagnetische Strahlung
JF - Melliand-Textilberichte. 85 (2004), H. 3
Y1 - 2004
SN - 0341-0781
SP - 190
EP - 192
ER -
TY - JOUR
A1 - Scholl, Ingrid
A1 - Pelikan, Erich
A1 - Repges, Rudolf
A1 - Tolxdorff, Thomas
T1 - Texture-based feature extraction using the Wavelet transform on x rays.
JF - Medical Imaging 1996: Image Processing
Y1 - 1996
N1 - Proceedings of SPIE 2710
SP - 668
EP - 678
ER -
TY - JOUR
A1 - Bragard, Michael
A1 - Soltau, N.
A1 - Thomas, S.
A1 - De Doncker, R. W.
T1 - The balance of renewable sources and user demands in grids : power electronics for modular battery energy storage systems
JF - IEEE transactions on power electronics
N2 - The continuously growing amount of renewable sources starts compromising the stability of electrical grids. Contradictory to fossil fuel power plants, energy production of wind and photovoltaic (PV) energy is fluctuating. Although predictions have significantly improved, an outage of multi-MW offshore wind farms poses a challenging problem. One solution could be the integration of storage systems in the grid. After a short overview, this paper focuses on two exemplary battery storage systems, including the required power electronics. The grid integration, as well as the optimal usage of volatile energy reserves, is presented for a 5- kW PV system for home application, as well as for a 100- MW medium-voltage system, intended for wind farm usage. The efficiency and cost of topologies are investigated as a key parameter for large-scale integration of renewable power at medium- and low-voltage.
Y1 - 2010
U6 - http://dx.doi.org/10.1109/TPEL.2010.2085455
SN - 0885-8993
VL - 25
IS - 12
SP - 3049
EP - 3056
PB - IEEE
CY - New York
ER -
TY - JOUR
A1 - Hofmann, Till
A1 - Limpert, Nicolas
A1 - Mataré, Victor
A1 - Schönitz, Sebastian
A1 - Niemueller, Tim
A1 - Ferrein, Alexander
A1 - Lakemeyer, Gerhard
T1 - The Carologistics RoboCup Logistics Team 2018
N2 - The Carologistics team participates in the RoboCup Logistics League for the seventh year. The RCLL requires precise vision,
manipulation and path planning, as well as complex high-level decision
making and multi-robot coordination. We outline our approach with an
emphasis on recent modifications to those components.
The team members in 2018 are David Bosen, Christoph Gollok, Mostafa
Gomaa, Daniel Habering, Till Hofmann, Nicolas Limpert, Sebastian Schönitz,
Morian Sonnet, Carsten Stoffels, and Tarik Viehmann.
This paper is based on the last year’s team description.
Y1 - 2018
ER -
TY - JOUR
A1 - Schmidt, K.
A1 - Forkmann, K.
A1 - Sinke, C.
A1 - Gratz, M.
A1 - Bitz, Andreas
A1 - Bingel, U.
T1 - The differential effect of trigeminal vs. peripheral pain stimulation on visual processing and memory encoding is influenced by pain-related fear
JF - NeuroImage
N2 - Compared to peripheral pain, trigeminal pain elicits higher levels of fear, which is assumed to enhance the interruptive effects of pain on concomitant cognitive processes. In this fMRI study we examined the behavioral and neural effects of trigeminal (forehead) and peripheral (hand) pain on visual processing and memory encoding. Cerebral activity was measured in 23 healthy subjects performing a visual categorization task that was immediately followed by a surprise recognition task. During the categorization task subjects received concomitant noxious electrical stimulation on the forehead or hand. Our data show that fear ratings were significantly higher for trigeminal pain. Categorization and recognition performance did not differ between pictures that were presented with trigeminal and peripheral pain. However, object categorization in the presence of trigeminal pain was associated with stronger activity in task-relevant visual areas (lateral occipital complex, LOC), memory encoding areas (hippocampus and parahippocampus) and areas implicated in emotional processing (amygdala) compared to peripheral pain. Further, individual differences in neural activation between the trigeminal and the peripheral condition were positively related to differences in fear ratings between both conditions. Functional connectivity between amygdala and LOC was increased during trigeminal compared to peripheral painful stimulation. Fear-driven compensatory resource activation seems to be enhanced for trigeminal stimuli, presumably due to their exceptional biological relevance.
Y1 - 2016
U6 - http://dx.doi.org/10.1016/j.neuroimage.2016.03.026
SN - 1053-8119
VL - 134
SP - 386
EP - 395
PB - Elsevier
CY - Amsterdam
ER -
TY - JOUR
A1 - Heuermann, Holger
A1 - Schiek, Burkhard
T1 - The double-LNN Calibration technique for scattering parameter measurements of microstrip devices
JF - Conference proceedings
Y1 - 1995
N1 - European Microwave Conference <25, 1995, Bologna>
SP - 343
EP - 347
PB - NEXUS House
CY - Kent
ER -
TY - JOUR
A1 - Köllensperger, P.
A1 - Bragard, Michael
A1 - Plum, T.
A1 - De Doncker, R. W.
T1 - The dual GCT : new high-power device using optimized GCT technology
JF - IEEE transactions on industry applications
Y1 - 2009
U6 - http://dx.doi.org/10.1109/TIA.2009.2027364
SN - 0093-9994
VL - 45
IS - 5
SP - 1754
EP - 1762
ER -
TY - JOUR
A1 - Heuermann, Holger
A1 - Schiek, Burkhard
T1 - The In-Fixture Calibration Procedure Line-Network-Network-LNN
JF - Conference proceedings : monday 6th to thursday 9th september 1993, Palacio de Congresos, Madrid, Spain ; [the international conference and exhibition designed for the Microwave Community]
Y1 - 1992
SN - 0-946821-23-2
N1 - European Microwave Conference <23, 1993, Madrid>
SP - 500
EP - 505
PB - Reed Exhibition Companies
CY - Tunbridge Wells
ER -
TY - JOUR
A1 - Hagemann, Hans-Jürgen
A1 - Stumpe, R.
A1 - Wagner, D.
A1 - Bäuerle, D.
T1 - The influence of contact effects on the dielectric behavior of diffuse phase transitions. Stumpe, R.; Wagner, D.; Bäuerle, D.; Hagemann, H. J.
JF - Ferroelectrics : the international journal devoted to the theoretical, experimental, and applied aspects of ferroelectrics and related materials / Letters section. 4 (1985)
Y1 - 1985
SN - 0731-5171
SP - 143
EP - 147
ER -
TY - JOUR
A1 - Bragard, Michael
A1 - Conrad, M.
A1 - van Hoek, H.
A1 - De Doncker, R. W.
T1 - The integrated emitter turn-off thyristor (IETO) : an innovative thyristor-based high power semiconductor device using MOS assisted turn-off
JF - IEEE transactions on industry applications
Y1 - 2011
U6 - http://dx.doi.org/10.1109/TIA.2011.2161432
SN - 0093-9994
VL - 47
IS - 5
SP - 2175
EP - 2182
PB - IEEE
CY - New York
ER -
TY - JOUR
A1 - Ferrein, Alexander
A1 - Steinbauer, Gerald
T1 - The Interplay of Aldebaran and RoboCup
JF - KI - Künstliche Intelligenz
Y1 - 2016
U6 - http://dx.doi.org/10.1007/s13218-016-0440-1
SN - 1610-1987
VL - 30
IS - 3-4
SP - 325
EP - 326
PB - Springer
CY - Berlin
ER -
TY - JOUR
A1 - Faßbender, Heinz
A1 - Bühler, Gerhard
T1 - The join of a geographical situation display system and a platform independent C2 information system
JF - Proceedings of the 2000 Command and Control Research and Technology Symposium, Juni 2000, Monterey, USA
Y1 - 2000
SP - 1
EP - 7
ER -
TY - JOUR
A1 - Hagemann, Hans-Jürgen
A1 - Lade, H.
A1 - Warnier, J.
A1 - Wiechert, D. U.
T1 - The performance of Depressed-Cladding Single-Mode Fibres with Different b/a Ratios. Hagemann, H.-J.; Lade, H.; Warnier, J.; Wiechert, D. U.
JF - Journal of Lightwave Technology (J-LT) / Institute of Electrical and Electronics Engineers (IEEE). 9 (1991), H. 6
Y1 - 1991
SN - 0733-8724
SP - 689
EP - 694
ER -
TY - JOUR
A1 - Wolf, Martin
A1 - Luczak, Holger
A1 - Springer, J.
A1 - Simon, S.
ED - Miyamoto, Hiroyuki
T1 - The role of metaphors in computer supported cooperative work
JF - Proceedings of WWDU '97 Tokyo, Fifth International Scientific Conference on Work with Display Units : November 3 - 5, 1997, Tokyo /
Y1 - 1997
N1 - International Scientific Conference on Work with Display Units ; International Scientific Conference on Work with Display Units ; (5 ; 1997.11.03-05 ; Tokyo)
SP - 191
EP - 192
PB - -
CY - Tokyo
ER -
TY - JOUR
A1 - Limpert, Nicolas
A1 - Wiesen, Patrick
A1 - Ferrein, Alexander
A1 - Kallweit, Stephan
A1 - Schiffer, Stefan
T1 - The ROSIN Project and its Outreach to South Africa
JF - R&D Journal
Y1 - 2019
VL - 35
SP - 1
EP - 6
ER -
TY - JOUR
A1 - Wolf, Martin
A1 - Schlick, Christopher
A1 - Springer, J.
ED - Miyamoto, Hiroyuki
T1 - The use of implicit communication mechanisms in desktop-teleconferencing-systems
JF - Proceedings of WWDU '97 Tokyo, Fifth International Scientific Conference on Work with Display Units : November 3 - 5, 1997, Tokyo
Y1 - 1997
N1 - International Scientific Conference on Work with Display Units ; International Scientific Conference on Work with Display Units ; (5 ; 1997.11.03-05 ; Tokyo)
SP - 193
EP - 194
PB - -
CY - Tokyo
ER -
TY - JOUR
A1 - Hagemann, Hans-Jürgen
A1 - Hero, A.
A1 - Gonser, U.
T1 - The valence change of Fe in BaTiO3 studied by Mößbauer effect and gravimetry. Hagemann, H. J.; Hero, A.; Gonser, U.
JF - Physica Status Solidi (A) - Applied Research. 61 (1980)
Y1 - 1980
SN - 0031-8965
SP - 63
EP - 72
ER -
TY - JOUR
A1 - Schopp, Christoph
A1 - Britun, Nikolay
A1 - Vorac, Jan
A1 - Synek, Petr
A1 - Snyders, Rony
A1 - Heuermann, Holger
T1 - Thermal and Optical Study on the Frequency Dependence of an Atmospheric Microwave Argon Plasma Jet
JF - IEEE Transactions on Plasma Science
Y1 - 2019
SN - 1939-9375
VL - 47
IS - 7
SP - 3176
EP - 3181
PB - IEEE
CY - New York
ER -
TY - JOUR
A1 - Hagemann, Hans-Jürgen
A1 - Bachmann, P. K.
A1 - Lade, H.
A1 - Leers, D.
T1 - Thermal properties of C/H-, C/H/O-, C/H/N- and C/H/X-grown polycrystalline CVD diamond. P. K. Bachmann, H. J. Hagemann, H. Lade, ...
JF - Diamond and Related Material. Vol 4. (1995), H. Issue 5-6
Y1 - 1995
N1 - abstract online:
SP - 820
EP - 826
PB - Elsevier Science
CY - New York, NY [u.a.]
ER -
TY - JOUR
A1 - Köhler, Klemens
A1 - Röpke, René
A1 - Wolf, Martin
T1 - Through a mirror darkly – On the obscurity of teaching goals in game-based learning in IT security
JF - ISAGA 2019: Simulation Gaming Through Times and Disciplines
N2 - Teachers and instructors use very specific language communicating teaching goals. The most widely used frameworks of common reference are the Bloom’s Taxonomy and the Revised Bloom’s Taxonomy. The latter provides distinction of 209 different teaching goals which are connected to methods. In Competence Developing Games (CDGs - serious games to convey knowledge) and in IT security education, a two- or three level typology exists, reducing possible learning outcomes to awareness, training, and education. This study explores whether this much simpler framework succeeds in achieving the same range of learning outcomes. Method wise a keyword analysis was conducted. The results were threefold: 1. The words used to describe teaching goals in CDGs on IT security education do not reflect the whole range of learning outcomes. 2. The word choice is nevertheless different from common language, indicating an intentional use of language. 3. IT security CDGs use different sets of terms to describe learning outcomes, depending on whether they are awareness, training, or education games. The interpretation of the findings is that the reduction to just three types of CDGs reduces the capacity to communicate and think about learning outcomes and consequently reduces the outcomes that are intentionally achieved.
KW - IT security education
KW - Competence Developing Games
KW - Game-based learning
KW - Keyword analysis
KW - Bloom’s Taxonomy
Y1 - 2021
U6 - http://dx.doi.org/10.1007/978-3-030-72132-9_6
N1 - ISAGA 2019 - International Simulation and Gaming Association Conference. 26-30 August 2019. Warsaw, Poland.
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11988)
SP - 61
EP - 73
PB - Springer
CY - Cham
ER -
TY - JOUR
A1 - Orzada, S.
A1 - Maderwald, S.
A1 - Poser, B. A.
A1 - Johst, S.
A1 - Kannengiesser, S.
A1 - Ladd, M. E.
A1 - Bitz, Andreas
T1 - Time-interleaved acquisition of modes: an analysis of SAR and image contrast implications
JF - Magnetic Resonance in Medicine
N2 - s the magnetic field strength and therefore the operational frequency in MRI are increased, the radiofrequency wavelength approaches the size of the human head/body, resulting in wave effects which cause signal decreases and dropouts. Especially, whole-body imaging at 7 T and higher is therefore challenging. Recently, an acquisition scheme called time-interleaved acquisition of modes has been proposed to tackle the inhomogeneity problems in high-field MRI. The basic premise is to excite two (or more) different Burn:x-wiley:07403194:media:MRM23081:tex2gif-stack-1 modes using static radiofrequency shimming in an interleaved acquisition, where the complementary radiofrequency patterns of the two modes can be exploited to improve overall signal homogeneity. In this work, the impact of time-interleaved acquisition of mode on image contrast as well as on time-averaged specific absorption rate is addressed in detail. Time-interleaved acquisition of mode is superior in Burn:x-wiley:07403194:media:MRM23081:tex2gif-stack-2 homogeneity compared with conventional radiofrequency shimming while being highly specific absorption rate efficient. Time-interleaved acquisition of modes can enable almost homogeneous high-field imaging throughout the entire field of view in PD, T2, and T2*-weighted imaging and, if a specified homogeneity criterion is met, in T1-weighted imaging as well.
Y1 - 2012
U6 - http://dx.doi.org/10.1002/mrm.23081
SN - 1522-2594
VL - 67
IS - 4
SP - 1033
EP - 1041
PB - Wiley-Liss
CY - New York
ER -
TY - JOUR
A1 - Ferrein, Alexander
A1 - Dylla, Frank
A1 - Lakemeyer, Gerhard
A1 - Murray, Jan
T1 - Towards a League-Independent Qualitative Soccer Theory for RoboCup / Dylla, Frank ; Ferrein, Alexander ; Lakemeyer, Gerhard ; Murray, Jan ; Obst, Oliver ; Röfer, Thomas ; Stolzenburg, Frieder ; Visser, Ubbo
JF - RoboCup 2004: Robot Soccer World Cup VIII / Daniele Nardi ... (ed.).
Y1 - 2005
SN - 978-3-540-25046-8
N1 - Lecture Notes in Computer Science ; 3276
SP - 611
EP - 618
PB - Springer
CY - Berlin
ER -
TY - JOUR
A1 - Ferrein, Alexander
T1 - Towards applying soccer moves in the RoboCup Standard Platform League
JF - ÖGAI-Journal
Y1 - 2008
SN - 0254-4326
VL - Bd. 27
IS - H. 3
SP - 4
EP - 9
ER -
TY - JOUR
A1 - Booysen, Tracy
A1 - Rieger, Michael
A1 - Ferrein, Alexander
T1 - Towards inexpensive robots for science & technology teaching and education in Africa
Y1 - 2011
SN - 978-1-61284-992-8
N1 - AFRICON, 2011
SP - 1
EP - 6
PB - IEEE
CY - New York
ER -
TY - JOUR
A1 - Scholl, Ingrid
A1 - Palm, Christoph
A1 - Lehmann, Thomas Martin
A1 - Spitzer, Klaus
T1 - Trennung von diffuser und spiegelnder Reflexion in Farbbildern des Larynx zur Untersuchung von Farb- und Formmerkmalen der Stimmlippen. Palm, Christoph; Scholl, Ingrid; Lehmann, Thomas Martin; Spitzer, Klaus
JF - Bildverarbeitung für die Medizin
Y1 - 1996
SN - 3-86073-519-5
SP - 229
EP - 234
PB - Verlag der Augustinus-Buchhandlung
CY - Aachen
ER -
TY - JOUR
A1 - Heuermann, Holger
A1 - Sadeghfam, Arash
A1 - Boehm, H.
T1 - Ultra Compact Multi-Mode Filter with Novel Rat-Race Inductor. Sadeghfam, Arash; Heuermann, Holger; Boehm, H.
JF - Conference proceedings : 3 - 7 October 2005, CNIT la Défense, Paris, France; [comprises the] 35th European Microwave Conference 2005 ; The European Conference on Wireless Technology 2005 ; European Radar Conference 2005 ; GAAS 2005, The European Gallium A. Vol. 2
Y1 - 2005
SN - 2-9600551-0-1
N1 - European Microwave Conference ; (35, 2005, Paris) ; European Microwave Week ; (2005, Paris)
SP - 4 pp.
PB - Horizon House Publ
CY - London
ER -
TY - JOUR
A1 - Schuba, Marko
A1 - Busboom, Axel
A1 - Herwono, Ian
A1 - Zavagli, Guido
T1 - Unambiguous Device Identification and Fast Connection Setup in Bluetooth / Busboom, Axel ; Herwono, Ian ; Schuba, Marko ; Zavagli, Guido
JF - European wireless 2002 : next generation wireless networks: technologies, protocols, services and applications ; technical sessions: 26 - 28 February 2002, tutorials: 25 February 2002, Centro Affari, Florence, Italy ; proceedings / sponsored by EUREL ... General chair: Luciano Lenzini
Y1 - 2002
SP - 1
EP - 5
ER -
TY - JOUR
A1 - Engels, Elmar
A1 - Wiendahl, H.-P.
A1 - Doege, E.
T1 - Universelle hydraulische Try-Out Presse / Teilprojekt A6 / Wiendahl, H.-P. ; Doege, E. ; Engels, E.
JF - Tagungsband : 12. Oktober 1999, Leibnizhaus Hannover / Sonderforschungsbereich 384 Verfügbarkeitssicherung Reaktionsschneller Produktionssysteme, Universität Hannover. Hrsg.: H.-P. Wiendahl ; M. Röhrig
Y1 - 1999
SN - 3-00-005495-2
N1 - Industriekolloquium Verfügbarkeit <1999, Hannover> ; Sonderforschungsbereich Verfügbarkeitssicherung Reaktionsschneller Produktionssysteme
CY - Hannover
ER -
TY - JOUR
A1 - Ferrein, Alexander
A1 - Jacobs, Stefan
A1 - Lakemeyer, Gerhard
T1 - Unreal Golog Bots / Jacobs, Stefan ; Ferrein, Alexander ; Lakemeyer, Gerhard
JF - IJCAI-05 Workshop on Reasoning, Representation, and Learning in Computer Games
Y1 - 2005
SP - 31
EP - 36
ER -
TY - JOUR
A1 - Krause, Gregor
A1 - Kehle, Uwe
T1 - Unterstützung des Motorhochlaufs eines Pumpspeicherkraftwerks durch Mittel der Blindleistungskompensation / Uwe Kehle, Gregor Krause
JF - Ertüchtigung von Kraftwerken und Netzen, insbesondere in den neuen Bundesländern. Energietechnische Gesellschaft am 20. und 21. Oktober 1993 in Mannheim
Y1 - 1993
SN - 3-8007-1967-3
N1 - ETG-Fachbericht ; 47
SP - 287
EP - 296
PB - VDE-Verl.
CY - Berlin [u.a.]
ER -
TY - JOUR
A1 - Hillgärtner, Michael
A1 - Rinkleff, T
T1 - Untersuchung eines hybriden EMV-Simulationsverfahrens anhand eines virtuellen Komponententests
JF - Technisches Messen. 70 (2003), H. 3
Y1 - 2003
SN - 0340-837X
N1 - 2. ISSN: 0178-2312; 3. ISSN: 0171-8096
SP - 133
EP - 140
ER -
TY - JOUR
A1 - Foltz, Christian
A1 - Schneider, Nicole
A1 - Wolf, Martin
A1 - Kausch, Bernhard
A1 - Schlick, Christopher
A1 - Luczak, Holger
ED - Nagl, Manfred
T1 - Usability engineering
JF - Collaborative and distributed chemical engineering : from understanding to substantial design process support; results of the IMPROVE Project. - (Lecture notes in computer science ; 4970)
Y1 - 2008
SN - 978-3-540-70552-9
U6 - http://dx.doi.org/10.1007/978-3-540-70552-9_21
SP - 527
EP - 554
PB - Springer
CY - Berlin
ER -
TY - JOUR
A1 - Ritz, Thomas
A1 - Pisarczyk, Rafael
A1 - Sachtleben, Johanna
A1 - Leßenich, Nina
T1 - Usability Engineering maßgeschneidert : Modellbaukasten zur Entwicklung gebrauchstauglicher mobiler Software
JF - Wissenschaft trifft Praxis
Y1 - 2014
SN - 2198-8544 (Print)
SN - 2198-9362 (Online)
N1 - Der Link führt zum vollständigen Heft, der Artikel beginnt auf S.79.
VL - 1
IS - 1
SP - 79
EP - 88
PB - Begleitforschung Mittelstand-Digital c/o WIK-Consult GmbH
CY - Bad Honnef
ER -
TY - JOUR
A1 - Ferrein, Alexander
A1 - Fritz, Christian
A1 - Lakemeyer, Gerhard
T1 - Using Golog for Deliberation and Team Coordination in Robotic Soccer / Ferrein, Alexander ; Fritz, Christian ; Lakemeyer, Gerhard
JF - Künstliche Intelligenz : KI. 19 (2005), H. 1
Y1 - 2005
SN - 0933-1875
SP - 24
EP - 30
ER -
TY - JOUR
A1 - Hüning, Felix
T1 - Using Trench PowerMOSFETs in Linear Mode
JF - Power Electronics Europe (2012)
N2 - If we think about applications for modern Power MOSFETs using trench technology, running them in linear mode may not be top of the priority list. Yet there are multiple uses for Trench Power MOSFETs in linear mode. In fact, even turning the device on and off in switching applications is a form of linear operation. Also, these components can be run in linear mode to protect the device against voltage surges. This article will illustrate the factors that need to be considered for linear operation and show how Trench Power MOSFETs are suited to it.
Y1 - 2012
SN - 1748-3530
SP - 27
EP - 29
PB - DFA Media
CY - Tonbridge
ER -
TY - JOUR
A1 - Hagemann, Hans-Jürgen
A1 - Ihrig, H.
T1 - Valence change and phase stability of 3d-doped BaTiO3 annealed in oxygen and hydrogen. Hagemann, H. J.; Ihrig, H.
JF - Physical Review B.. 20 (1979), H. 9
Y1 - 1979
SN - 1095-3795
SP - 3871
EP - 3878
ER -
TY - JOUR
A1 - Yazdanbakhsh, Pedram
A1 - Solbach, Klaus
A1 - Bitz, Andreas
T1 - Variable power combiner for RF mode shimming in 7-T MR imaging
JF - IEEE Transaction on Biomedical Engineering
N2 - This contribution discusses the utilization of RF power in an MRI system with RF mode shimming which enables the superposition of circularly polarized modes of a transmit RF coil array driven by a Butler matrix. Since the required power for the individual modes can vary widely, mode-shimming can result in a significant underutilization of the total available RF power. A variable power combiner (VPC) is proposed to improve the power utilization: it can be realized as a reconfiguration of the MRI transmit system by the inclusion of one additional matrix network which receives the power from all transmit amplifiers at its input ports and provides any desired (combined) power distribution at its output ports by controlling the phase and amplitude of the amplifiers’ input signals. The power distribution at the output ports of the VPC is then fed into the “mode” ports of the coil array Butler matrix in order to superimpose the spatial modes at the highest achievable power utilization. The VPC configuration is compared to the standard configuration of the transmit chain of our MRI system with 8 transmit channels and 16 coils. In realistic scenarios, improved power utilization was achieved from 17% to 60% and from 14% to 55% for an elliptical phantom and a region of interest in the abdomen, respectively, and an increase of the power utilization of 1 dB for a region of interest in the upper leg. In general, it is found that the VPC allows significant improvement in power utilization when the shimming solution demands only a few modes to be energized, while the technique can yield loss in power utilization in cases with many modes required at high power level.
Y1 - 2012
U6 - http://dx.doi.org/10.1109/TBME.2012.2205926
SN - 1558-2531
VL - 59
IS - 9
SP - 2549
EP - 2557
PB - IEEE
CY - New York
ER -
TY - JOUR
A1 - Heuermann, Holger
A1 - Ibrahim, Irfan
A1 - Hillebrand, J.
T1 - Vector-Signal-Generator with Two ¿¿-PLL's / Ibrahim, I. ; Hillebrand, J. ; Heuermann, H.
JF - European Conference on Wireless Technologies, 2007. ECWT 2007 ; 8 - 10 October 2007 Munich, Germany
Y1 - 2007
SN - 978-2-87487-003-3
SP - 1
EP - 4
ER -
TY - JOUR
A1 - Scholl, Ingrid
A1 - Sovakar, Abhijit
A1 - Neuschaefer-Rube, C.
A1 - Lehmann, Thomas Martin
T1 - Verfolgung und Analyse von Stimmlippenkonturen in stroboskopischen Videosequenzen. Sovakar, Abhijit; Scholl, Ingrid; Neuschaefer-Rube, C.; Lehmann, Thomas Martin; Spitzer, Klaus
JF - Bildverarbeitung für die Medizin
Y1 - 1996
SN - 3-86073-519-5
SP - 235
EP - 240
PB - Verlag der Augustinus-Buchhandlung
CY - Aachen
ER -