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MCD Analysis of Reflection Characteristics on Nonuniform Transmission Lines
Kazuhito MURAKAMI Junya ISHII
IEICE TRANSACTIONS on Electronics
Publication Date: 1998/05/25
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Microwave and Millimeter Wave Technology
NTL, reflection coefficient, FFT, MCD simulation,
Full Text: PDF(526.9KB)>>
In this paper, a new simulation approach to the analysis of the reflection characteristics on nonuniform transmission lines (NTLs) is presented. The input and output responses in the time domain and the reflection coefficients in the frequency domain are effectively obtained by using the modified central difference (MCD) simulation and the fast Fourier transform (FFT) technique for Gaussian pulse responses. The simulated results for the reflection characteristics of the NTL transformers are in excellent agreements with the theoretical values. By representing both the reflected voltage and the reflection coefficient, it is shown that this approach is useful to analyze for various types of tapered and stepped NTLs.