International Symposium on Antennas and Propagation
Analysis of Longitudinally Inhomogeneous Waveguides By Cascading Short Linear Sections
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A new method is introduced to frequency domain analyze arbitrary Longitudinally Inhomogeneous Waveguides (LIWs), in this paper. The LIWs are subdivided into several short linear sections instead of uniform ones. The chain parameter matrix of linear sections is obtained by expressing the electric and magnetic fields in power series expansion. This method is applicable to all arbitrary LIWs. The accuracy of the proposed method is verified using a comprehensive example.