The generalized method of characteristics for waveform relaxation analysis of lossy coupled transmission lines

The transient response of lossy coupled transmission lines is simulated by iterative waveform relaxation analyses of equivalent disjoint networks constructed with congruence transformers, fast Fourier transform (FFT) waveform generators, and characteristic impedances synthesized by the Pade approxim...

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Bibliographic Details
Published in:IEEE transactions on microwave theory and techniques 1989-12, Vol.37 (12), p.2028-2038
Main Author: Chang, F.-Y.
Format: Article
Language:English
Subjects:
Analytical models
Computational modeling
Couplings
Fast Fourier transforms
Impedance
Propagation losses
Signal generators
Transformers
Transient response
Transmission lines
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Summary:The transient response of lossy coupled transmission lines is simulated by iterative waveform relaxation analyses of equivalent disjoint networks constructed with congruence transformers, fast Fourier transform (FFT) waveform generators, and characteristic impedances synthesized by the Pade approximation. A two order reduction of CPU time and one order savings in computer memory are achieved. A lossy directional coupler is simulated for illustration.< >
ISSN:0018-9480
1557-9670
DOI:10.1109/22.44118