Fakultät IV

R. Michels, S. Fisahn, M. Schaarschmidt, and F. Gronwald: “Towards HPEM pulse characterization by nonlinearly loaded narrowband antenna arrays”, in 2023 IEEE Symposium on Electromagnetic Compatibility & Signal/Power Integrity, Grand Rapids, USA, July/August 2023, pp. 495-498.

J. Ückerseifer and F. Gronwald, “Approximation of High Intensity Radiated Field by Direct Current Injection using matrix methods based on Characteristic Mode Analysis”, Advances in Radio Science, vol. 21, December 2023, pp. 101-110. download

O. Mohammed, P. Khound, B. Vandevelde, and F. Gronwald: “Health Index Modeling for Trustable Electronic Sensor Systems in an Autonomous Application”, in Proc. of the Smart Systems Integration Conference (SSI2023), Bruges, Belgium, March 28-30, 2023, to appear.

J. Ückerseifer, S. Xu, and F. Gronwald: “Statistical Inference of Electric Fields in Lossy Reverberating Environments Subject to High Intensity Radiated Field and Direct Current Injection”, in Proc. of EMC Europe 2023, Krakow, Poland, September 2023, to appear.

P. Khound, O. Mohammed, P. Su, D. Chen, and F. Gronwald: “Performance Index Modeling from Fault Injection Analysis for an Autonomous Lane-Keeping System”, in Proc. of the 33th International European Safety and Reliability Conference (ESREL 2023), Southampton, United Kingdom, September 2023, pp. 273-280. download

O. Mohammed, P. Khound, P. Su, D. Chen, and F. Gronwald: “Multilevel Artificial Intelligence Classification of Faulty Image Data for Enhancing Sensor Reliability”, in Proc. of the 33th International European Safety and Reliability Conference (ESREL 2023), Southampton, United Kingdom, September 2023, pp. 1778-1783. download

P. Khound, P. Will, A. Tordeux, and F. Gronwald: "The Over-Damped String Stability Condition for a Platooning System", System Theory, Control and Computing Journal, vol. 3, no. 1, pp. 12-19, Jun. 2023.

P. Khound, P. Will, A. Tordeux, and F. Gronwald: "Extending the adaptive time gap car-following model to enhance local and string stability for adaptive cruise control systems", Journal of Intelligent Transportation Systems, vol. 27, no. 1, (2023), 36-56.

R. Michels, M. Schaarschmidt, S. Fisahn and F. Gronwald, “Calculation of the Combined Electric Field Response of Multiple Nonlinear Antenna Loads due to HPEM Excitation”, Advances in Radio Science, vol. 20, March 2023, pp. 47-53. download

P. Khound, P. Will, A. Tordeux, and F. Gronwald, “Unified framework for over-damped string stable adaptive cruise control systems”, Transportation Research Part C: Emerging Technologies, vol. 148, 104039, pp. 1-24, 2023.

2022

P. Khound, P. Will, A. Tordeux, and F. Gronwald: “The Importance of the Over-Damped String Stability Criterion for a Platooning Control System", in 26th International Conference on System Theory, Control and Computing (ICSTCC), IEEE, Sinaia, Romania, October 2022, pp. 1-6.

J. Ückerseifer, Xinyu Wei, and F. Gronwald: "Analyse und Vergleich der Feldeigenschaften in elektrisch großen Prüflingen nach DIN EN 61000-4-21 bei HIRF- und DCI-Anregung", In: H. Garbe (Ed.): Proceedings EMV Kongress 2022, (Apprimus Verlag, Aachen, 2022), pp. 219-226.

P. Khound, P. Will, and F. Gronwald: “Design Methodology to Derive Over-Damped String Stable Adaptive Cruise Control Systems", IEEE Transactions on Intelligent Vehicles, vol. 7, no. 1, March 2022, pp. 32-44.

2021

R. Michels, M. Schaarschmidt, and F. Gronwald: "A numerical study of HPEM coupling to a nonlinearly loaded cavity subject to an electric energy storage effect", in Proc. of the XXXIVth General Assembly of the International Union of Radio Science, Rome, Italy, August 2021, 4 pages.

J. Ückerseifer, T.Kong, and F. Gronwald: "A statistical approach towards the equivalence of HIRF and DCI test setups", Proc. of the XXXIIIrd General Assembly of the International Union of Radio Science, Rome, Italy, August 2021, 4 pages.

2020

R. Michels, M. Kreitlow, A. Bausen, C. Dietrich, and F. Gronwald: “Modeling and Verification of a Parasitic Nonlinear Energy Storage Effect due to High Power Electromagnetic Excitation”, IEEE Transactions on Electromagnetic Compatibility, vol. 62, (December 2020), pp. 2468-2475.

P. Khound, P. Will, F. Gronwald: „Local and String Stability Conditions of a Generalized Adaptive Cruise Control System“, AmE 2020 Dortmund, Germany, March 10.-11, 2020, 8 pages.

J. Ückerseifer, J. Schweitzer und F. Gronwald: “Auslegung und Vergleich von Adaptern zur direkten Stromeinspeisung für leitungsgebundene Störfestigkeitsprüfungen”, in emv2020, Internationale Fachmesse und Kongress für Elektromagnetische Verträglichkeit, (Apprimus Verlag, Aachen, 2020), pp. 547–554.

F. Gronwald, J. Hansen, C. Karch, C. Schuster und M. Tröscher: “Auf die Verträglichkeit kommt es an – Von der Kunst, elektromagnetische Felder und Wellen zu kontrollieren”, Physik Journal, vol. 19, no. 6, (2020), pp. 35–40.

R. Michels, M. Schaarschmidt, and F. Gronwald, “An improved Equivalent Circuit Model for Nonlinearly Loaded Receiving Structures subject to High Power Electromagnetic Pulses”, in Proc. of the XXXIIIrd General Assembly of the International Union of Radio Science, Rome (virtual), Italy, August 2020, 4 pages.

J. Ückerseifer and F. Gronwald: “Numerical and Experimental Analysis of Non-Coaxial DCI-Excitations as HIRF-Replacement in Automotive Immunity Testing”, in Proc. of EMC Europe 2020, Rome (virtual), Italy, September 2020, 6 pages.

J. Ückerseifer amd F. Gronwald: “Characteristic Mode Analysis of surface current distributions on metallic structures exposed to HIRF- and DCI-excitations”, Advances in Radio Science, vol. 18, December 2020, pp. 33-41.

R. Michels, M. Schaarschmidt, and F. Gronwald: “Experimental Investigation of a Nonlinear Energy Storage Effect due to High Power Electromagnetic Excitation”, Advances in Radio Science, vol. 18, December 2020, pp. 75-82.

2019

R. Michels, M. Willenbockel, and F. Gronwald: "A Parametric Study of an Energy Storage Effect due to Nonlinear Components and HPEM-Excitation", in Proc. of EMC Europe 2019, Barcelona, Spain, September 2019, pp. 59-64.

J. Ückerseifer, M. Aidam, M. Rothenhäusler, and F. Gronwald: "A Numerical Analysis of HIRF- and DCI-Equivalence by Characteristic Mode Theory", in Proc. of EMC Europe 2019, Barcelona, Spain, September 2019, pp. 315-320.

P. Khound, P. Will: „AUTOSAR 4.0 Software development for an automotive ECU realising the central automatic controller of a Self-Balancing Robot“, AmE 2019 Dortmund, Germany, March 12.-13, 2019, 9 pages.

2018

F. Happ, H.-D. Bruens, and F. Gronwald: “Application of Huygens’ Principle for the Fast Calculation of Field Penetration through Aperture Arrays”, IEEE Transactions on Electromagnetic Compatibility, vol. 60, December 2018), pp. 2018–2025.

F. Gronwald: “An Insightful Derivation of Transmission Line Equations including Electromagnetic Field-Coupling”, in Proc. of EMC Europe 2018, Amsterdam, Netherlands, August 2018, 6 pages.

D. P. Palanivelu, R. Michels, M. Kreitlow, and Frank Gronwald: “The reponse of nonlinearly loaded antennas to repetitive HPEM excitations as obtained from equivalent circuit models”, Advances in Radio Science, vol. 16, (2018), pp. 140–153.

R. Michels, C. Dietrich, F. Gronwald und M. Kreitlow,: “Von der Messung zur Netzwerkbeschreibung: Modellierung der Anregung nichtlinear belasteter Störsenken durch HPEM-Pulse”, in emv2018 - Internationale Fachmesse und Kongress für Elektromagnetische Verträglichkeit, (mesago, Frankfurt, 2018), pp. 183–190.

S. Bracke, M. Hinz, C. van Gulijk, F. Gronwald, M. Muenker, M. Inoue, S. Yamada, E. Patelli, B. Ulutas, M. Bonato, T. Yamada: “Reliability engineering based on operating data and monitoring systems within technical products: challenges, requirements and approaches”, in Proc. of the 28th International European Safety and Reliability Conference (ESREL 2018), Trondheim, Norway, June 2018, pp. 1069–1076.

F. Happ, H.-D. Brüns, and F. Gronwald:: “An efficient implementation of the periodic method of moments for shielding effectiveness calculations of thin-wire grids”, Proc. of the 2nd URSI Atlantic Radio Science Conference (URSI AT-RASC), Gran Canaria, Spain, May 2018, 4 pages.

2017

F. Happ, A. Schröder, G. Mavraj, H. D. Brüns, and F. Gronwald: “Numerical shielding analysis of anisotropic multilayer materials by the method of moments”, IEEE Transactions on Electromagnetic Compatibility, vol. 59, (February 2017), 293–296.

M. Kotzev, X. Bi, M. Kreitlow, and F. Gronwald: "Equivalent circuit simulation of HPEM-induced transient responses at nonlinear loads", Advances in Radio Science, vol. 15, 2017, pp.175-180.

L-O. Fichte, T.R. Almeida, A.P. Coimbra, F. Gronwald, and M. Stiemer: Ageing Effects observed in Conducted Emission Spectra of Biotechnological Devices after Repeated Switching", in Proc. f the XXXIInd General Assembly of the International Union of Radio Science, Montreal, Canada, August 2017, 2 pages.

M. Rothenhäusler und F. Gronwald: "Characteristic mode analysis of HIRF- and DCI-excitations of an aircraft structure" in Proc. of EMC Europe 2017, Angers, France, September 2017, 6 pages.

F. Happ, H.-D. Brüns, and F. Gronwald: "Efficient Computation of Field Coupling through Aperture Arrays into Casings", in Proc. of International Conference on Electromagnetics in Advanced Applications (ICEAA), Verona, Italy, September 2017, 4 pages.

P. Will, P. Khound, J. Mehta, R. Mayr: "Development of a complete AUTOSAR 4.0 Software Project with the AUTOSAR Education Environment", ISTEC 2017 Europe Berlin, Germany, July 17.-19, 2017, 8 pages.

2016

M. Kotzev, M. Kreitlow, and F. Gronwald: “Design and Analysis of Ultra-Wideband Antennas for Transient Field Excitations”, Advances in Radio Science, vol. 14, 2016, pp. 25–29.

F. Happ, H.-D. Brüns, G. Mavraj, and F. Gronwald: “Numerical computation of lightning transfer functions for layered, anisotropicallyconducting shielding structures by the method of moments”, Advances in Radio Science, vol. 14, 2016, pp. 107-114.

M. Kotzev, M. Kreitlow und F. Gronwald: “Transiente Analyse von nichtlinear beladenen metallischen Gehäusen in Zeit-und Frequenzbereich”, in emv2016, Internationale Fachmesse und Kongress für Elektromagnetische Verträglichkeit, (Apprimus Verlag, Aachen,2016), pp. 27–34.

F. Gronwald, J. Plambeck und T. Weber: “Modellierung elektrischer und magnetischer Felder von Energieversorgungsleitungen über realem Grund mittels des verallgemeinerten Spiegelprinzips”, in emv2016, Internationale Fachmesse und Kongress für Elektromagnetische Verträglichkeit, (Apprimus Verlag, Aachen,2016), pp. 583–590.

M. Kotzev, M. Kreitlow, and F. Gronwald: “Transient Excitation of Nonlinearly Loaded Resonators and Observation of System Responses in Time Domain”, in Proc. of EMC Europe 2016, Wroclaw, Poland, September 2016, pp. 75–78.

F. Happ, G. Mavraj, H.-D. Brüns, and F. Gronwald: “On the choice of Huygens’ surfaces in the vicinity of electrically small apertures”, in Proc. Of EMC Europe 2016, Wroclaw, Poland, September 2016, pp. 66–71.

2015

A. Vogt, Q. Wu, H.-D. Brüns, F. Gronwald, and C. Schuster: “A Measurement Setup for Quantification of Electromagnetic Interference in Metallic Casings”, IEEE Transactions on Electromagnetic Compatibility, vol. 57, (2015) pp. 1354–1364.

F. Happ, F. Gronwald, and H.-D. Brüns: “An extension of Schelkunoff’s shielding theory to anisotropic conducting multilayer materials”, in Proc. of the Joint IEEE Int. Symposium on EMC and EMC Europe, Dresden, Germany, August 2015, 1542–1547.

Q. Wu, A. Vogt, H.-D. Brüns, F. Gronwald, and C. Schuster: “Numerical and Experimental Evaluation of Electromagnetic Coupling between Radiating Antenna Structures inside a Computer Casing”, in Proc. of the Joint IEEE Int. Symposium on EMC and EMC Europe, Dresden, Germany, August 2015, 328–333.

G. Mavraj and F. Gronwald: “On the Limits of Numerical Modelling of Electromagnetic Field Coupling through Small Apertures”, in Proc. of PIERS 2015, Prague, Czech Republic, July 2015, pp. 2315–2319.

2014

F. Gronwald: “Frequency versus Time Domain Immunity Testing of Smart Grid Components”, Advances in Radio Science, vol. 12, (2014) pp. 149–153.

F. Happ, H.-D. Brüns, and Frank Gronwald: “Benchmark Calculations of Magnetic Shielding of Low Frequencies”, in Proc. of EMC Europe 2014, Gothenburg, Sweden, September 2014, pp. 468–473.

F. Gronwald,: “On advanced transmitter and receiver models for the EMC analysis of modern communication systems”, Proc. of the XXXIth General Assembly of the International Union of Radio Science, Beijing, China, August 2014, 4 pages.

F. Happ, H.-D. Brüns, and F. Gronwald: “Numerische Simulation der Schirmwirkung von mehrlagigen, anisotrop leitfähigen Materialien”, in Elektromagnetische Verträglichkeit, EMV 2014, Düsseldorf, Germany, March 2014 (VDE-Verlag, Berlin), pp. 692–699.

F. Gronwald und F. Happ: “Methoden der Netzwerkmodellierung von Transferfunktionen indirekter Blitzeffekte auf Grundlage numerischer Simulation in Zeit- und Frequenzbereich”, in Elektromagnetische Verträglichkeit, EMV 2014, Düsseldorf, Germany, March 2014 (VDE-Verlag, Berlin), pp. 317–322.

2013

C. Deselaers, U. Bergmann, and F. Gronwald: “Dead time optimization method for power converter by means of phase voltage monitoring”, Advances in Radio Science, vol. 11, (2013) pp. 231–236.

F. Gronwald and F. Happ: “Adaptive Macromodelling of Lightning Transfer Funcion from Numerical Calculations in Time and Frequency Domain”, in Proc. of International Conference on Electromagnetics in Advanced Applications (ICEAA), Torino, Italy, September 2013, 4 pages.

F. Happ, A. Schröder, H.-D. Brüns, and Frank Gronwald: “A Method for the Calculation of Electromagnetic Fields in the Presence of Thin Anisotropic Conductive Layers using the Method of Moments”, in Proc. of EMC Europe 2013, Brugge, Belgium, September 2013, 5 pages.

F. Gronwald, R. Conrads, R. Janssen, and T. Weber: “Efficient immunity testing of smart meter devices in the frequency range 2-150 kHz”, in CIRED 2013, 22nd International Conference on Electricity Distribution, Stockholm, Sweden, June 2013, 4 pages.

2012

F. Gronwald, J. Nitsch, and S. Tkachenko: “On equivalent circuit representations of radiating systems by means of complex-valued network elements” in International Conference on Electromagnetics in Advanced Applications, ICEAA ’12, Cape Town, South Africa, September 2012, 4 pages.

F. Gronwald: “On the impact of Poincaré’s concept of spacetime symmetries for the formulation of electrodynamics, relativity, and beyond”, to appear in Proc. of Nonlinear Dynamics of Electronic Systems (NDES) 2012, Wolfenbüttel, Germany, July 2012, 4 pages.

F. Gronwald, T. Stadtler, and R. Kebel: “Compensation of unavailable test frequencies during immunity measurements”, in Proc. of ESA Workshop on Aerospace EMC, Venice, Italy, May 2012, 5 pages.

J. Anatzki and F. Gronwald: “Comparison of time and frequency domain methods for indirect lightning effect computation: a case study”, in Proc. of ESA Workshop on Aerospace EMC, Venice, Italy, May 2012, 5 pages.

S. Helmers and F. Gronwald: “Regelbasierte EMV Bewertung von Fehlerzuständen in Systemen”, in Elektromagnetische Verträglichkeit, EMV 2012, Düsseldorf, Germany, February 2012 (VDE-Verlag, Berlin), pp. 599–606.

T. Stadtler, R. Kebel, and F. Gronwald: “Kompensation fehlender Frequenzstützstellen bei Störfestig- keitsmessungen”, in Elektromagnetische Verträglichkeit, EMV 2012, Düsseldorf, Germany, February 2012 (VDE-Verlag, Berlin), pp. 325–331.

2011

J. Anatzki and F. Gronwald: “Accelerating the numerical computation of indirect lightning effects by means of vector fitting”, Advances in Radio Science, vol. 9, (2011) pp. 323–328.

F. Gronwald, J. Nitsch, and S. Tkachenko: “Generalized transmission line theory as an antenna theory for EMC analysis”, Electrical Engineering, vol. 93, (2011) pp. 147–155.

F. Gronwald: “Iterative solution of a nonlinear antenna problem inside a high-quality resonating chamber”, in Proc. of EMC Europe 2012, Rome, Italy, September 2011, 6 pages.

M. Schwarz and F. Gronwald: “EMI analysis of a generic power line communication OFDM data link”, in Proc. of EMC Europe 2011, York, United Kingdom, September 2011, p. 625–628.

F. Gronwald,: “On analytic expressions for fast estimation of coupling between electrically short thin-wire antennas within cavities”, Proc. of the XXXth General Assembly of the International Union of Radio Science, Istanbul, Turkey, August 2011, 4 pages.

P. Will and R. Mayr: “Verfahren zur Berechnung von Geschwindigkeitsempfehlungen für ganze Streckenverläufe“, Steuerung und Regelung von Fahrzeugen und Motoren – AUTOREG 2011, November 2011, Baden-Baden, Germany

2010

P. Will and R. Mayr: "Fahrerassistenzsystem zur Warnung des Fahrers bei überhöhter Geschwindigkeit vor der Kurveneinfahrt", Automotive Forum Südwestfalen, 2010, Attendorn, Germany

F. Gronwald: “Classification and quantification of lightning-current induced voltages within aircraft structures”, in Proc. of EMC Europe 2010, Wroclaw, Poland, September 2010, pp. 559–564.

2009

S. Tkachenko, H.G. Krauthäuser, F. Gronwald, and J. Nitsch: “High frequency electromagnetic field coupling to amall antennas in rectangular resonators”, in International Conference on Electromagnetics in Advanced Applications, ICEAA ’09, Torino, Italy, September 2009, 4 pages.

2008

R. Janssen and F. Gronwald: “Wave propagation above realistic ground for data link simulation of combined wing tip antennas”, in Proc. of the European Telemetry Conference etc2008, Munich, Germany, April 2008, 6 pages.

2007

F. Gronwald, S. Glüge, and J. Nitsch: “On network representations of antennas inside resonating environments”, Advances in Radio Science, vol. 5, (2007) pp. 157–162.

2006

F. Gronwald: “On the applicability of conventional transmission line theory within cavities”, Advances in Radio Science, vol. 4, (2006) pp. 117–123.

F. Gronwald and J. Nitsch: “Effiziente Berechnung von Antennenkopplungen innerhalb von Resona- toren mittels Splineinterpolation und Ewaldscher Summationstechnik”, in Elektromagnetische Verträg- lichkeit, EMV 2006, Düsseldorf, Germany, März 2006 (VDE-Verlag, Berlin), pp. 89–96.

O. Bauer, R. Mayr, P. Will: "Fahrerassistenzsystem warnt vor zu engen Kurven", Steuerung und Regelung von Fahrzeugen und Motoren - AUTOREG 2006, März 2006, Wiesloch bei Heidelberg, Germany

2005

F. Gronwald: “Calculation of Mutual Antenna Coupling within Rectangular Enclosures”, IEEE Transactions on Electromagnetic Compatibility, vol. 47, (November 2005), pp. 1021–1025.

F. Gronwald and E. Blume: “Reciprocity and mutual impedance formulas within lossy cavities”, Advances in Radio Science, vol. 3, (2005), pp. 91–97.

F. Gronwald, F.W. Hehl, and J. Nitsch: “An axiomatic approach to classical electrodynamics and its relation to gauge theory” Physics Notes, edited by C.E.Baum, vol. 14, (Februar 2005), 24 pages.

F. Gronwald, S. Tkachenko, and J. Nitsch: “A comparison of different techniques for the calculation of antenna coupling within a cavity”, Proc. of the XXVIIIth General Assembly of the International Union of Radio Science, New Delhi, India, October 2005, 4 pages.

J. Nitsch, N. Korovkin, E. Solovieva, and F. Gronwald: “Characterization and Compensation of Beat-Induced Intermodulation Effects in Analog Circuits”, in ANALOG ’05, 8. GMM/ITG- Diskussionssitzung, Hannover, Germany, March 2005, pp. 191–196.

2004

F. Gronwald, E. Blume, and J. Nitsch: “Computation of the frequency response of a nonlinearly loaded antenna within a cavity”, Advances in Radio Science, vol. 2, (2004), pp. 57–62.

F. Gronwald and J. Nitsch: “Zur Anwendung der Leitungstheorie auf Leitungen innerhalb von Hohlraumresonatoren”, in Elektromagnetische Verträglichkeit, EMV 2004, Düsseldorf, Germany, Februar 2004 (VDE-Verlag, Berlin), pp. 267–374.

2003

F. Gronwald: “The influence of electromagnetic singularities on an active dipole antenna within a cavity”, Advances in Radio Science, vol. 1, (2003), pp. 57–61.

F. Gronwald: “EMC modeling of Interior Problems: Handling Resonances by the Green’s Function Approach”, EMC Society of Australia Newsletter, vol. 24, (2003), pp. 6-18.

S. Tkachenko, F. Gronwald, J. Nitsch, and T.Steinmetz: “On Electromagnetic Field Coupling to Transmission Lines in Resonators” (in russian), Proc. of the Vth International Symposium on Electromagnetic Compatibility and Electromagnetic Ecology, St. Petersburg, Russia, September 2003, pp. 74–78.

S. Tkachenko, F. Gronwald, H.-G. Krauthäuser, and J. Nitsch: “Investigation of Electromagnetic Field Coupling to a Small Antenna within a Resonator” (in russian), Proc. of the Vth International Symposium on Electromagnetic Compatibility and Electromagnetic Ecology, St. Petersburg, Russia, September 2003, pp. 68–74.

F. Gronwald and J. Nitsch: “Method of Moment Analysis of a Dipole Antenna within a Rectangular Cavity”, Proc. of the 2003 IEEE International Symposium on Electromagnetic Compatibility, Istanbul, Turkey, May 2003, 4 pages.

2002

F. Gronwald, J. Nitsch, and S. Tkachenko: “Fast and analytical calculation of antenna coupling within cavities”, Proc. of the XXVIIth General Assembly of the International Union of Radio Science, Maas- tricht, The Netherlands, August 2002, 3 pages.

F. Gronwald, J. Nitsch, and S. Tkachenko: “Eine hybride Strahlen-Moden-Darstellung der Greenschen Funktion zur schnellen Berechnung elektromagnetischer Kopplungsvorgänge in quaderförmigen Hohlraumresonatoren”, in Kleinheubacher Berichte, Band 45, (2002), pp. 276–282.

F. Gronwald, J. Nitsch, and S. Tkachenko: “Hybrid representation methods for the efficient analysis of antenna coupling within cavities”, EMC 2002 – Proc.of the Sixteenth International Wroclaw Symposium on Electromagnetic Compatibility, Wroclaw, Poland, June 2002, pp. 109–114.

F. Gronwald, J. Nitsch, and S.Tkachenko: “Analytische Eigenschaften und schnelle Berechnung von elektromagnetischen Kopplungsphänomenen innerhalb von metallischen Gehäusen”, in Elektromagnetische Verträglichkeit, EMV 2002, Düsseldorf, Germany, February 2002 (VDE-Verlag, Berlin), pp. 633– 640.

2001

F. Gronwald and J. Nitsch: “The structure of the electrodynamic field as derived from first principles”, IEEE Antennas and Propagation Magazine, vol. 43, (August 2001), pp. 64–79.

F. Gronwald and J. Nitsch: “Universeller Zusammenhang: Wie das elektromagnetische Feld die Welt verbindet”, Magdeburger Wissenschaftsjournal, vol. 1/2, (2001), pp. 19–28.

F. Gronwald and J. Nitsch: “Konstruktion und Eigenschaften von Streuentwicklungen für magnetische und elektrische Greensche Funktionen innerhalb von Hohlraumresonatoren”, in Kleinheubacher Berichte, Band 44, (2001), pp. 394–399.

2000

H. Lichtenegger, F. Gronwald, and B. Mashhoon: “On detecting the gravitomagnetic field of the earth by means of orbiting clocks”, Advances of Space Research, vol. 6, (2000), pp. 1255–1258.

F. Gronwald and J. Nitsch: “Zur Beschreibung von hochfrequenten Signalen auf gekrümmten Leitungsstrukturen mittels einer geometrischen Streumethode”, Elektromagnetische Verträglichkeit, EMV 2000, Düsseldorf, Germany, February 2000 (VDE-Verlag, Berlin), pp. 133–140.

F. Gronwald: “A geometric perturbation theory for the analysis of propagating high-frequency currents”, in Proc. of the 2000 International Symposium on Antennas and Propagation, Fukuoka, Japan, August 2000 (IEICE, Tokyo), pp. 831–834.

F. Gronwald and J. Nitsch: “Analytically derived radiation and reflection properties of high-frequency signals on arbitrarily curved transmission lines”, in Proc. of EMC Europe 2000, Brugge, Belgium, September 2000, pp. 125–130.

1999

J. Nitsch and F. Gronwald: “Analytical Solutions in Multiconductor Transmission Line Theory”, IEEE Transactions on Electromagnetic Compatibility, vol. 41, (November 1999), pp. 469–479.

F. Gronwald and J. Nitsch: “The physical origin of gauge invariance in electrodynamics”, Electrical Engineering, vol. 81, (1999), pp. 363–367.

B. Mashhoon, F. Gronwald, and D.S. Theiss: “On Measuring Gravitomagnetism via Spaceborne Clocks”, Annalen der Physik, vol. 8, (1999), pp. 135–152.

F. Gronwald and J. Nitsch: “An analytic study of the electric current on curved transmission line segments”, Proc. of the International Symposium on Electromagnetic Compatibility, Magdeburg, Germany, October 1999, pp. 235–240.

F. Gronwald and J. Nitsch: “Eine Analyse der Kopplung von Leitungsströmen auf gekrümmten Strukturen an elektromagnetische Streufelder”, Proc. of the VIII. Wehrtechnisches Symposium “Elektromagnetische Verträglichkeit” WMV 99, Mannheim, Germany, September 1999, pp. 9.1–9.6.

F. Gronwald: “The geometric structure of electrodynamics and its network formulation made transparent by means of differential forms”, Proc. of the X. International Symposium on Theoretical Electrical Engineering, ISTET’99, Magdeburg, Germany, September 1999, pp. 527–532.

F. Gronwald and J. Nitsch: “A Geometric Scattering Expansion of the Current on Conducting Surfaces and Transmission Line Structures”, Proc. of the Int. IEEE Symposium on EMC, Seattle, USA, August 1999, pp. 739–744.

1998

F. Gronwald, U. Muench, A. Macías, and F. W. Hehl: “Volume elements of spacetime and a quartet of scalar fields”, Phys. Rev., vol. D58, 084021 (1998) 4 pages.

U. Muench, F. Gronwald, and F.W. Hehl: “A Brief Guide to Variations in Teleparallel Gauge Theories of Gravity and the Kaniel-Itin Model”, Gen. Relat. Grav., vol. 30, (1998), pp. 933–961.

F. Gronwald: “A note on gauge–covariant translations in the gauge approach to gravity”, Acta Physica Pol., vol. B4, (1998), pp. 1121–1129.

F. Gronwald, U. Muench, and F.W. Hehl: “Nongravitational vacuum energy and the volume element of spacetime”, Hadronic Journal, vol. 21, (1998), pp. 3–17.

F. Gronwald: “BRST antifield treatment of metric–affine gravity”, Phys. Rev., vol. D57, (1998), pp. 961– 970.

F. Gronwald: “Covariant Gauge Fixing of Metric–Affine Gravity”, Proc. of the Second Mexican School on Gravitation and Mathematical Physics, ‘Recent Developments in Gravitation and Mathematical Physics’, Invited talk held at Tlaxcala, Mexico, December 1996, A. Garcia et al., eds. (Science Network Publishing, Konstanz 1998) 9 pages.

F. Gronwald: “From Metric–Affine Gravity to General Relativity and the Bosonic String”, Proc. of the VII-th Conference on Theoretical Physics, ‘New theoretical results in gravity and general relativity’, Invited talk held at Bistrita, Romania, May 1997, D.N. Vulcanov and I.I. Cota?escu, eds. (Mirton Publishing House, Timisoara 1998), pp. 7–28.

1997

F. Gronwald: “Metric–Affine Gauge Theory of Gravity I. Fundamental Structure and Field Equations”, Int. J. Mod. Phys., vol. D6, (1997), pp. 263–303.

F. Gronwald, E. Gruber, H. Lichtenegger, and R.A. Puntigam: “Gravity Probe Clock-Probing the gravitomagnetic field of the Earth by means of a clock experiment”, Proc. of the Alpbach Summer School 1997, ‘Fundamental Physics in Space’, held at Alpbach, Austria, July 1997 (ESA SP-420, December 1997), pp. 29–37.