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A CG-FFT SCHEME TO ANALYZE CONDUCTING PATCHES OF ARBITRARY GEOMETRY IN MULTILAYER MEDIA
Gago E., Torres R.P., Cátedra M.F.
A CG-FFT SCHEME TO ANALYZE GEOMETRY CONDUCTING PATCHES OF ARBITRARY MEDIA IN MULTILAYER Emilio (*) Gago(*), Grupo Rafael P.Torres(*), Manuel F.Catedra(**) de Radiaci6n E. T. S. I. de Telecomunicaci6n Universidad 28040-Madrid, (n) Departamento Universidad 3900S-Santander, Politecnica SPAIN de Electr6nica de Cantabria SPAIN de Madrid ABSTRACT A Conjugate finite dielectric by using or p
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1990
FULL-WAVE ANALYSIS OF PROXIMITY EFFECTS ON MICROSTRIP LINES NEAR THE EDGE OF A PACKAGED MMIC
Tseng J.-D., Tzuang C.-K.C.
FULL-WAVE ANALYSIS OF PROXIMITY EFFECTS LINES NEAR THE EDGE OF A PACKAGED MMIC ON MICROSTRIP Jan-Dong Tseng and Ching-Kuang ABSTRACT C. Tzuang A newly developed and tested full-wave mode-matching method is employed to accurately analyze the proximity effects that occur in monolithic microwave integrated circuit (MMIC) computer-aided design (CAD) applications. The dispersion characteristics of
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1990
DYNAMIC CHARACTERISTICS OF MICROSTRIP LINES ON MAGNETIZED FERRIMAGNETIC SUBSTRATES
Albuquerque M.R.M.L., D'Assunção A.G., Maia M.R.G., Giarola A.J.
DYNAMIC CHARACTERISTICS OF MICROSTRIP LINES ON MAGNETIZED FERRI MAGNETIC SUBSTRATES M R M L Albuquerque*, A G d'Assun~ao*, M R G Maia*, la** ABSTRACT An analysis of microstrip line on ferrimagnetic substrates is presented. Hertz vector potentials, oriented along the ferrite magnetization direction, are used for obtaining the dyadic Green's function in the Fourier transform domain. The propagation
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1990
ON THE SPURIOUS SOLUTIONS IN BOUNDARY INTEGRAL FORMULATION FOR WAVEGUIDE EIGENVALUE PROBLEMS
Geyi W.
ON THE SPURIOUS SOLUTIONS IN BOUNDARY INTEGRAL FORMULATION FOR WAVEGUIDE EIGENVALUE PROBLEMS Wen Geyi
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1990
AN EFFICIENT FINITE-ELEMENT FORMULATION FOR ANISOTROPIC WAVEGUIDES WITHOUT SPURIOUS MODES
Bardi I., Biro O., Preis K.
AN EFFICIENT FINITE-ELEMENT FORMULATION GUIDES WITHOUT SPURIOUS MODES FOR ANISOTRPIC WAVE- I Bardi*, 0 Biro, K preis** ABSTRACT A numerically efficient finite element formulation is presented for the analysis of arbitrary shaped waveguides with anisotropic material characteristics. The electromagnetic field is described either by the three components of a magnetic vector potential and an
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1990
A FAST AND EFFICIENT METHOD OF THE FULL WAVE ANALYSIS OF DIELECTRIC GUIDES WITH ARBITRARY PERMITTIVITY PROFILE
Mrozowski M.
A FAST AND EFFICIENT METHOD OF THE FULL WAVE ANALYSIS OF DIELECTRIC GUIDES WITH ARBITRARY PERMITIIVITY PROFILE Michal MlO8OWskil ABSTRACT A numerical method storage method of the analysis of dielectric guides is described. The method is based on a recently proposed iterative scheme [1]known as the iterative (IEEM) and the FFT algorithm. The method and gives simultaneously the propagation constant
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1990
Frequency dependence of the propagation constant and of the impedance of a thick strip
Faché N., De Zutter D.
Frequency dependence of the propagation constant and of the impedance of a thick strip N. Fache (IWONL) and D. De Zutter (NFWO) Laboratory of Electromagnetism University of Ghent Sint-Pietersnieuwstraat 41 9000 Ghe~ Belgium ABSTRACT In this paper we present a full-wave analysis for a single thick microstrip or stripline in a multilayered medium. Our analysis is based on an integral equation which
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1990
NONLINEAR MICROWAVE CIRCUITS DESIGNING WITH A NEW OPTIMIZATION APPROACH
Xiang-dong Z., Xing-nan H., Bao-xin G.
NONLINEAR MICROWAVE CIRCUITS DESIGNING WITH A NEW OPTIMIZATION APPROACH Zhang Xiang-dong, Hong Xing-nan, Gao Bao-xin
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1990
ANALYSIS OF THE SYMMETRIC Y-JUNCTION IN SLOTLINE
Rozzi T., Moglie F., Morini A., Marchionna E.
ANALYSIS OF THE SYMMETRIC Y -JUNCTION IN SLOTLINE T Rozzi*, F Moglie*, A Morini*, E Marchionna** ABSTRACT Millimettic circuitry in slotline uses Y-junctions, e.g. in diode mounts for mixers and power splitters. This work presents an effective approximate treatment of the problem, that exploits in full its symmetry (eigenvalues analysis) and utilizes partial wave analysis for an effective solu
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1990
COMPUTER SIMULATOR FOR MICROWAVE BIPOLAR TRANSISTORS
Profirescu M.D., Antonoiu G., Sachelarie D., Bodea M., Dima G., Kallo I.
COMPUTER SIMULATOR FOR MICROUAVE BIPOLAR TRANSISTORS M D Profirescu, * G Antonoiu, * ** D Sachelarie , " Bodea, G Dima, I Kallo * * .. ABSTRACT A computer experiment tool for the analysis and optimization of microwave bipolar transistors is presented. The computer package comprises: the preprocessor, the processor and the postprocessor. The preprocessor is flexible and allows the di
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1990
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