Description: Finite difference method using the principle of the square coaxial study, calculate and analyze the dispersion characteristics of Square Coaxial TM wave of the two lowest modes as well as its cross-section of the field distribution. Use Matlab programming dispersion curves obtained in the square coaxial TM wave the two lowest modes, the cross-section of the electromagnetic field distribution, the results and the results obtained with the simulation software was compared, and to verify the correctness of programming the applicability of the finite difference method.
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Square_Coaxial.m
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