Beiträge zur Forschung

Dankwort

Ich bin meinen ehemaligen Studenten, Assistenten, Kollegen und Freunden für ihre fruchtbare Mitarbeit, neuen Impulse und wertvollen Leistungen zutiefst dankbar. Ich schätze ihre Teilnahme und Unterstützung in meiner Suche nach dem was jenseits des unmittelbar Wahrnehmbaren liegt, dem Unbekannten, dem Wesentlichen.

Ich danke auch den Menschen und den Regierungen Deutschlands, Frankreichs, Kanadas, Italiens, Singapurs, der Schweiz, und der Vereinigten Staaten für ihre groβzügige Förderung meiner Ausbildung und Karriere. Sie erlaubten es mir und meiner Familie, in ihrer Gemeinschaft und Kultur zu leben und zu wachsen.

Marksteine

Die folgenden Marksteine beschreiben meine wesentlichen Beiträge zur Forschung in der Mikrowellentechnik und der Elektromagnetischen Theorie an der Technischen Hochschule (RWTH) Aachen (1964–1965), der Universität Grenoble, Frankreich (1966–1969), den kanadischen Universitäten Ottawa (1969–1992) und Victoria (1992–2006), und dem Institute of High-Performance Computing (IHPC) in Singapur (2009–2012), als auch an mehreren Instituten und Laboratorien, in denen ich zeitweilig als Gastwissenschaftler tätig war.

Weitere und genauere Informationen in cb10 and cb11.

Weitere und genauere Informationen in cb10 and cb11.

1964  Fabrication and characterization of ferrite ellipsoids
Development of a facility to grind rotational ferrite ellipsoid of various sizes and to measure their microwave properties. (Research performed as part of the requirements for the engineering diploma (Master's thesis). [REF: t001]
Institute of High Frequency Engineering, Technical University (RWTH) Aachen, Germany

1967  A new method to measure the bandwidth of YIG spheres
Development of a microwave measurement system to determine the magnetic resonant bandwidth of Yttrium Iron Garnet (YIG) spheres. (Reseach performed as part of the requirements for the D.Ing. degree (Ph.D. thesis). [REF: t002] [REF: t002]
Laboratoire d'Électromagnétisme, Institut National Polytechnique de Grenoble, France

1969  Coupling between a YIG sphere and a cavity
Study of electromagnetic interaction between a resonant YIG sphere and a microwave cavity, and its effect on the cavity input impedance. [REF: j001, j002] [REF: j001, j002]
Laboratoire d'Électromagnétisme, Institut National Polytechnique de Grenoble, France

1975  First encounter with P. B. Johns and his TLM method at the 1975 IEEE-IMS in Palo Alto, CA.
P. B. Johns' presentation of his novel Transmission Line Matrix (TLM) method for modeling electromagnetic fields provided the impetus for our subsequent collaboration and future research in time domain electromagnetics, and the foundation of the International Journal of Numerical Modelling in 1988.

1975  Models of microstrip discontinuities and microstrip-to-cavity coupling
Theoretical modeling and experimental characterization of obstacles and coupling apertures in microstrip lines. [REF: j006, j008] [REF: j006, j008]
Dept. of Electrical Engineering, University of Ottawa, jointly with the Communications Research Centre (CRC), Ottawa, Canada

1975  Cavity-stabilized 12 GHz MIC oscillators using GaAs FETs
Realization of highly stable oscillators at CRC using the capabilities developed during the previous year at the University of Ottawa. [REF: c007] [REF: c007]
Dept. of Electrical Engineering, University of Ottawa, jointly with the Communications Research Centre (CRC), Ottawa, Canada

1976  Closed-form expressions for slits in microstrip lines
These original closed-form models where developed and validated during a sabbatical leave and later implemented in the early microwave CAD tool "Touchstone" and subsequent tools. [REF: j009, j010, j011] [REF: j009, j010, j011]
Satellite Communications Laboratory, AEG Telefunken, Backnang, Germany

1978  Analytical expressions for finline design
Closed-form expressions for the propagation constant and the characteristic impedance of finlines were developed with the transverse resonance method. [REF: c009] [REF: c009]
Dept. of Electrical Engineering, University of Ottawa, Canada

1980  Time domain modeling of finlines with TLM
First full-wave modeling of the wave properties of inhomogeneous finlines in the time domain using the Transmission Line Matrix (TLM) method. [REF: j014, j015] [REF: j014, j015]
Dept. of Electrical Engineering, University of Ottawa, Canada

1981  Spectral domain modeling of finlines
Full-wave modeling of the wave properties of inhomogeneous single and coupled finlines in the spectral domain. [REF: c016, c017] [REF: c016, c017]
Dept. of Electrical Engineering, University of Ottawa, Canada

1982  Design formulae for finned and ridged waveguides
Closed-form expressions for the design of waveguides with increased dominant mode bandwith based on the transverse resonant method. [REF: j017] [REF: j017]
Dept. of Electrical Engineering, University of Ottawa, Canada

1983  Design of finlines in the spectral domain
Development of design methodology for finlines based on full-wave field solutions in the spectral domain. [REF: j018, j019] [REF: j019, j010]
Experimental single balanced mixer in E-plane technology
Realization of a balanced mixer in low-cost quasi-planar technology for 17GHz. [REF: c024] [REF: c024]
Dept. of Electrical Engineering, University of Ottawa, Canada

1984  First 3D scalar TLM algorithm
First TLM algorithm for modeling scalar potentials in three space dimensions and time. [REF: c026] [REF: c026]
Dept. of Electrical Engineering, University of Ottawa, Canada

1985  Invited review paper on TLM modeling
Comprehensive overview of TLM algorithms and their microwave applications. This paper has been cited over 850 times. [REF: j024] [REF: j024]
Design of bandpass filters with mode matching
Design and optimization of inhomogeneous dielectric and E-plane filters with computationally efficient mode matching algorithms. [REF: j023, j025] [REF: j023, j025]
First mm-wave receiver front-end in E-plane configuration
Low-cost mm-wave technology development based on integrated quasi-planar waveguide technology. [REF: c034] [REF: c034]
Dept. of Electrical Engineering, University of Ottawa, Canada

1986  First FDTD solutions of waveguide problems
First waveguide eigenvalue solutions with the Finite-Difference Time-Domain (FDTD) Method. This paper and the invited review paper j024 on TLM modeling formed the basis for the 2011 Pioneer Award by the IEEE-MTT Society. [REF: j027] [REF: j027]
First FET amplifier entirely in finline technique
Low-cost quasi-planar mm-wave technology development (jointly with the Communications Research Centre (CRC), Ottawa, Canada). [REF: j035] [REF: c038] [REF: j035] [REF: c038]
Accelerated spectral domain analysis of E-plane circuits
Development of a novel fast spectral domain algorithm. [REF: c043] [REF: c043]
Dept. of Electrical Engineering, University of Ottawa, Canada

1987  Graded mesh FDTD algorithm
Methodology enabling adaptive spacial resolution of the FDTD grid. [REF: c049] [REF: c049]
Study of field breakdown in E-plane circuits
Analysis of electrical discharge in waveguides with metallic fins and ridges. [REF: j028] [REF: j028]
Dept. of Electrical Engineering, University of Ottawa, Canada

1988  TLM modeling of frequency multipliers and halvers
Time domain modeling of interaction between fields and nonlinear devices (varactor diodes). [REF: j038] [REF: j038]
TLM modeling of quasi-planar multiaxial discontinuities
Application of TLM to model quasi-planar multiaxial structures, such as T-junctions in finlines. [REF: j030] [REF: j030]
Dept. of Electrical Engineering, University of Ottawa, Canada

1989  Development of the Johns Matrix boundary model
A novel perfectly matched boundary in TLM using numerical convolution. This paper received the P.B. Johns Prize. [REF: j043] [REF: j043]
First TLM time domain simulator for planar structures
Computer simulation tool with a geometry-based user interface for modeling 2D planar circuits. [REF: c065] [REF: c065]
Stability, dispersion, and accuracy of FDTD simulations
Study exploring the properties and limitations of FDTD. [REF: j044] [REF: c067] [REF: j044] [REF: c067]
Dept. of Electrical Engineering, University of Ottawa, Canada

1990  TLM models of thin lossy metallic boundaries
A new hybrid TLM model for highly conducting thin walls based on an analytically obtained impulse response of the wall. [REF: c073] [REF: c073]
Implementation of time domain diakoptics in TLM
Division of a large computational domain into smaller subdomains and their reconnection through numerical convolution. [REF: j045] [REF: j045]
First full dispersion analysis of the 3D TLM symmetrical condensed node (3D-TLM SCN)
First general dispersion analysis and classification of spurious modes of the 3D-TLM Symmetrical Condensed Node (SCN). [REF: j052] [REF: j062] [REF: j052] [REF: j062]
Mesh refinement and wideband matching boundaries in FDTD
First locally graded mesh and wideband matching boundary algorithm for Finite-Difference Time-Domain modeling. [REF: j046] [REF: j049] [REF: j046] [REF: j049]
Dept. of Electrical Engineering, University of Ottawa, Canada

1991  Modeling of nonlinear active regions in TLM
First implementation of an active element in a time domain TLM simulator and demonstration of the transient start-up of a stable oscillation. [REF: j048] [REF: j048]
Formulation of a new FDTD similar to TLM
Development of a FDTD method that is different from the Yee model and has properties similar to those of the TLM symmetrical condensed node. [REF: j056] [REF: j056]
First demonstration of computational time reversal in TLM
The reconstruction of primary and reduced sources is demonstrated by reversing the scattering process in the nodes of a TLM mesh. [REF: c095] [REF: c095]
First TLM wave simulator and visual electromagnetics laboratory for PC
Theory, user manual and virtual laboratory experiments, together with the install disk containing 2D TLM simulator code, published by John Wiley & Sons. [REF: b001] [REF: b001]
Dept. of Electrical Engineering, University of Ottawa, Canada, and Laboratoire d'Électronique, Université Nice-Sophia Antipolis, France

1992  Coarseness error correction in TLM
The energy stored in TLM cells containig field singularities is corrected by adding reactive stubs to the nodes located in these cells. [REF: c102] [REF: c102]
Modeling of moving boundaries with TLM
The time-dependent position of boundaries is modeled by means of recursive algorithms that update the reactance of TLM stubs extending the TLM network at the moving boundaries. [REF: j059] [REF: j059]
Synthesis of microwave structures using time reversal
A new technique for the time domain synthesis of microwave scatterers using an alternating forward- and backward-in-time TLM algorithm. (This paper won first prize in the IMS 1992 student paper competition) [REF: c105] [REF: j071] [REF: c105] [REF: j071]
Dept. of Electrical Engineering, University of Ottawa, Canada

1993  Modeling of nonlinear elements in TLM networks
A methodology for incorporating arbitrary, multiport, nonlinear devices into a three-dimensional (3D) condensed node TLM mesh. [REF: j060] [REF: j060]
Characterization of non-physical spurious modes in 3D-condensed node TLM networks
First general dispersion analysis of 2-D and 3-D TLM networks. [REF: j062] [REF: j062]
Modal Johns matrix concept for time domain diakoptics
Enhancement of numerical efficiency of TLM diakoptics using an eigenfunctions expansion of the fields at convolutional boundaries. [REF: c113] [REF: c113]
Implementation of TLM on massively parallel computer (MASPAR)
Parallel implementation of TLM enhancing performance on a massively parallel computer with 8192 processors by more than an order of magnitude. [REF: c114] [REF: c114]
Dept. of Electrical and Computer Engineering, University of Victoria, Canada

1994  Acceleration of time domain analysis using ARMA spectral estimation
New ARMA spectral estimation techniques for faster TLM analysis of microwave structures. [REF: j069] [REF: j069]
New 3D distributed node with cells of arbitrary aspect ratio
Development of a new 3D distributed TLM cell having a brick shape of arbitrary aspect ratio. [REF: c137] [REF: c137]
TLM modeling of frequency dispersive media and superconducting boundaries
Development and computer implementation of novel time domain models of nonlinear dispersive media and superconductors. [REF: c150, c151] [REF: c150, c151]
Dept. of Electrical and Computer Engineering, University of Victoria, Canada

1995  Multi-physics modeling of wood drying in RF kilns using TLM and FDTD
First dynamic multi-physics model of softwood involving coupled electromagnetic, thermal, and moisture content properties. [REF: c163] [REF: c163]
First hybridization of FDTD with TLM
Development of a method for coupling FDTD and TLM meshes in space and time. [REF: j074] [REF: j074]
Dept. of Electrical and Computer Engineering, University of Victoria, Canada

1996  Modeling of general anisotropic and gyromagnetic media with TLM
Development of TLM nodes that model media with tensor constitutive parameters. [REF: c178] [REF: c178]
Dept. of Electrical and Computer Engineering, University of Victoria, Canada

1997  Derivation of SCN-TLM from integral formulation of Maxwell’s equations
Alternative derivation of the SCN-TLM impulse scattering matrix from Maxwell's equations in integral form. [REF: c200] [REF: c200]
Dept. of Electrical and Computer Engineering, University of Victoria, Canada

1998  3D Haar-wavelet based multiresolution algorithm
New time domain method using 3D Haar wavelets as basis functions to approximate the solution of Maxwell's equations. [REF: c208] [REF: c208]
TLM modeling of soil moisture probe for environmental sensing
Modeling of the wave properties of a pair of parallel conducting strips immersed in soil for sensing its moisture content using time domain reflectometry (TDR). [REF: c204] [REF: c204]
Dept. of Electrical and Computer Engineering, University of Victoria, and ESI Environmental Sensors Inc., Victoria, Canada

1999  Hybrid TLM/Haar-MRTD algorithm
Hybridization of TLM and Haar Multiresolution algorithms in time domain. [REF: c217] [REF: c217]
Dept. of Electrical and Computer Engineering, University of Victoria, Canada

2000  Multiresolution based TLM using Haar wavelets
A first Haar-wavelet based multi-resolution formulation of the TLM method. [REF: c222] [REF: c222]
Modeling of optical waveguides using wavelets
The wavelet-Galerkin method based on highly regular Daubechies’ compactly supported scaling functions is applied to two-dimensional time-domain optical waveguide problems. [REF: c225] [REF: j089] [REF: c225] [REF: j089]
Dept. of Electrical and Computer Engineering, University of Victoria, Canada

2001  Multithread implementation of TLM
A TLM algorithm that can exploit the full computing power of multi-processor computers. [REF: c238] [REF: c238]
Study of ADI-FDTD algorithms
Investigation of the performance and accuracy of 3D unconditionally stable ADI-FDTD algorithms with uniform and graded meshes. [REF: c239] [REF: c239]
Dept. of Electrical and Computer Engineering, University of Victoria, Canada

2002  TLM/SPICE interconnection for field and device co-simulation
Interconnection framework for coupled field and circuit analysis in the time domain. [REF: j091] [REF: j091]
TLM synthesis of 3D structures through monochromatic field injection
Synthesis of conducting boundary topologies in resonant structures by field injection. [REF: c244] [REF: j090] [REF: c244] [REF: j090]
Modeling of optical beam splitter by time domain wavelet collocation
Multi-resolution analysis of optical devices in time domain. (In collaboration with the TU Munich, Germany). [REF: c247] [REF: c247]
Dept. of Electrical and Computer Engineering, University of Victoria, Canada

2003  Field-based waveguide filter synthesis in time domain
Synthesis of optimized waveguide filter geometry by field injection. [REF: j096] [REF: j096]
Novel FDTD model of bi-isotropic media
Modeling of transient microwave signals in dispersive and lossy bi-isotropic media. (In collaboration with the University of Valladolid, Spain). [REF: j097] [REF: j097]
Dept. of Electrical and Computer Engineering, University of Victoria, Canada

2004  First 2D TLM model of negative-index metatamaterials
Development of a new TLM node containing additional series capacitance and shunt inductance to model double-negative metamaterials in 2D. [REF: c256] [REF: c256]
Dept. of Electrical and Computer Engineering, University of Victoria, Canada

2005  3D TLM model of negative-index metamaterials
Regular 2D and 3D TLM nodes connected by reactive intercell networks model 2D and 3D double-negative metamaterials. [REF: j099] [REF: j099]
First realization of 3D metamaterial made of periodically loaded transmission line arrays
Modified TLM nodes containing additional reactive elements for modeling 3D double-negative metamaterials.(In collaboration with the Georgia Institute of Technology, Atlanta, GA). [REF: c263] [REF: c263]
Embedding of a quantum device into time domain TLM
First time-domain model of a quantum device (SIS mixer) by a MATLAB model embedded in a 3D-TLM mesh. (In collaboration with the Herzberg Institute of Astrophysics, National Research Council, Victoria, Canada). [REF: c262] [REF: c262]
Dept. of Electrical and Computer Engineering, University of Victoria, Canada

2006  Behavioral models for transient SPICE simulation
New procedure for building field-based device models for SPICE-based circuit simulators. (In collaboration with Bell Northern Research, Ottawa, Canada). [REF: c267] [REF: c267]
Dept. of Electrical and Computer Engineering, University of Victoria, Canada

2007  Optimization using TLM-generated neural networks
Novel design methodology based on the combination of time domain EM simulators with Artificial Neural Networks (ANNs). (In collaboration with the Institute of High-Performance Computing, Singapore). [REF: j102][REF: j103] [REF: j102][REF: j103]
Dept. of Electrical and Computer Engineering, University of Victoria, Canada

2008  TLM simulation of a finite 3D metamaterial lens
Numerical investigation of the impact of the lateral extension of a 3D double-negative metamateral lens on its focusing performance. (In collaboration with the German Aerospace Centre and the TU Munich, Germany). [REF: c274] [REF: c274]
Dept. of Electrical and Computer Engineering, University of Victoria, Canada

2009  Transient response of wideband electromagnetic cloak
Transient numerical study of wideband cloaking structures consisting of concentric cylindrical layers of homogeneous isotropic materials (In collaboration with the Institute of High-Performance Computing, Singapore). [REF: c276][REF: c278] [REF: c276][REF: c278]
Dept. of Electrical and Computer Engineering, University of Victoria, Canada

2010  3D hybrid plasmonic waveguide components
Bends and ring resonators made of novel hybrid plasmonic waveguide consisting of a SiO2-stripe sandwiched between a Si-nanowire and a silver-film. [REF: c280] [REF: c280]
Waveguide model of the Veselago/Pendry (V/P) superlens
New multi-mode model of super-resolution imaging in the spectral domain with the superlens. [REF: c282] [REF: c282]
Dept. of Computational Electronics and Photonics, Institute of High-Performance Computing, Singapore

2011  Study of the dynamics of superlens imaging
A compact spectral-domain model of a Superlens imaging system based on the Fourier decomposition of the source field into waveguide modes is used to study the dynamics of superresolution imaging in time. [REF: j107] [REF: c283] [REF: j107] [REF: c283]
Dept. of Computational Electronics and Photonics, Institute of High-Performance Computing, Singapore

2012  Spatial spectrum filter model of the V/P superlens
The Veselago/Pendry Superlens from the perspective of a filter in k-space that processes the spatial spectrum of an electromagnetic image. [REF: c292] [REF: c292]
Dept. of Computational Electronics and Photonics, Institute of High-Performance Computing, Singapore

2013, 2014  Optimized design for electromagnetic compatibility
Analysis, design and optimization of electromagnetic structures for immunity from electromagnetic interference.(In collaboration with the IHPC Singapore). [REF: j112-j114] [REF: j112-j114]
Dept. of Electrical and Computer Engineering, University of Victoria, Canada

2014  Imaging of 3D objects with the V/P superlens
Image reconstruction algorithm based on a spatial Fourier decomposition of the field functions and an optimal sampling technique employing Deslauriers–Dubuc interpolation wavelets.(In collaboration with the IHPC Singapore and the Center for Optoelectronics and Optical Communications, U. of North Carolina, Charlotte, USA). [REF: j115] [REF: j115]
Dept. of Electrical and Computer Engineering, University of Victoria, Canada

2015, 2017  Structure synthesis by computational time reversal
Reconstruction of direct and induced sources with mesh resolution by time reversal with TLM and FDTD methods. (In collaboration with Dalhousie University, Halifax, Canada). [REF: j116, j118] [REF: j116, j118]
Dept. of Electrical and Computer Engineering, University of Victoria, Canada

Beiträge zur Lehre

Intensivkurse und Kolloquia

2007   Modeling of electromagnetic fields with TLM
(Modellierung Elektromagnetischer Felder mit TLM)
(ganztägiger Intensivkurs) ACES 2007 Symposium, Naval Postgraduate School, Monterey, CA, USA (März 2007)

2002   An introduction to the theory and practice of numerical electromagnetics
(Einführung in die Theorie und Praxis der numerischen Feldberechnung)
(ganztägiger Intensivkurs) 2002 IEEE MTT-S Intl. Microwave Symposium, Seattle, WA, USA (3. Jun. 2002)

2000   An introduction to the theory and practice of numerical electromagnetics
(Einführung in die Theorie und Praxis der numerischen Feldberechnung)
(ganztägiger Intensivkurs) 2000 IEEE MTT-S Intl. Microwave Symposium, Boston, MA, USA (Jun. 2000)

1999   An introduction to the theory and practice of numerical electromagnetics
(Einführung in die Theorie und Praxis der numerischen Feldberechnung)
(ganztägiger Intensivkurs) 1999 IEEE MTT-S Intl. Microwave Symposium, Anaheim CA, USA (13. Jun 1999)

1997   Transmission Line Matrix (TLM) modeling of electromagnetic fields in space and time
(Transmission Line Matrix (TLM) Modellierung elektromagnetischer Felder in Raum und Zeit)
(ganztägiger Intensivkurs) ACES'97 Symposium, Naval Postgraduate School, Monterey, CA, USA (17. März 1997)

1997   Introduction to numerical modeling of electromagnetic fields in space and time
(viertägiger Intensivkurs) Chungbuk National University, Ch'ongju, Korea (1-4 Jul. 1997)

1997   Introduction to numerical modeling of electromagnetic fields in space and time
(dreitägiger Intensivkurs) Helsinki Technical University, Espoo, Finland (23.-25. Sep. 1997)

1996   Introduction to numerical modeling of electromagnetic fields in space and time
(fünftägiger Intensivkurs) Gerhard Mercator Universität, Duisburg, (22-26 Apr 1996)

1995   Theory and applications of TLM
(ganztägiger Intensivkurs) First International Workshop on TLM Modeling, University of Victoria, BC, Canada (1.-3. Aug. 1995)

1995   The Transmission Line Matrix (TLM) technique
(halbtägiger Intensivkurs) Workshop on Recent Advances in Numerical Techniques for Electromagnetics, University of Granada, Spain (12.-14. Sep. 1995)

1993   TLM techniques for electromagnetic wave modeling
(1-day short course) ACES 1993 Symposium, Naval Postgraduate School, Monterey, CA, USA

1992   Time domain modeling of guiding and radiating structures with TLM
(1-day short course) ACES 1992 Symposium, Naval Postgraduate School, Monterey, CA, USA

1991   Time domain modeling of guiding and radiating structures with TLM
(1-day short course) University of Western Ontario, London, ON, Canada

1991   Numerical techniques in electromagnetics - An introduction
(3-day short course) Rhode und Schwarz, Germany

1991   Millimeter-wave engineering and applications
(3-day short course) Rhode und Schwarz, Germany

1990   Millimeter-wave engineering and applications
(3-day short course) The George Washington University, Washington, DC, USA (4-6 Jun 1990)

1989   Millimeter-wave engineering and applications
(3-day short course) The George Washington University, Washington, DC, USA (31 Jan - 2 Feb 1989)

1988   Millimeter-wave engineering and applications
(3-day short course) The George Washington University, Washington, DC, USA (8-10 Aug 1988)

1988   Numerical techniques in electromagnetics - An introduction
(3-day short course) The George Washington University, Washington, DC, USA (25-27 Jul 1988)

1988   Millimeter-wave engineering and applications
(3-day short course) Nokia Telecommunications Ltd, Espoo, Finland (31 May - 2 Jun 1988)

1987   Numerical techniques in electromagnetics - An introduction
(Short course) The George Washington University, Washington, DC, USA (8-10 Dec 1987)

1987   Millimeter-wave engineering and applications
(3-day short course) The George Washington University, Washington, DC, USA (3-5 Jun 1987)

1987   Design of E-Plane millimeter-wave circuits
(1-day short course) Micrel Inc., Florence, Italy (14 Sep 1987)

1987   Theory and realization of E-Plane circuits
(1-day short course) Contraves Inc., Rome, Italy (11 Sep 1987)

1986   Millimeter-wave engineering and applications
(3-day short course) The George Washington University, Washington, DC, USA (9-11 Jun 1986)

1986   Numerical techniques in electromagnetics - An introduction
(3-day short course) The George Washington University, Washington, DC, USA (24-26 Feb 1986)

1985   Millimeter-wave engineering and applications
(3-day short course) The George Washington University - Extension, London, UK (2-4 Dec 1985)

1985   Millimeter-wave engineering and applications
(3-day short course) The George Washington University, Washington, DC, USA (28-30 May 1985)

1984   Millimeter-wave engineering and applications
(3-day short course) The George Washington University, Washington, DC, USA

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Aktualisiert am 21. Dezember 2020