Abstract
Based on the polarization current integral equation with the modified Green's Function as kernel, the scattering properties of the E-plane uniform dielectric posts in rectangular waveguide are numerically analyzed by the moment method. These posts are of arbitrary cross section and post-number. The calculation accuracy and speed are remarkable improved by segmenting the dielectric region into many small rectangular oells and applying local analytic integration. The higher-order modes are considered in calculation, improving the computation accuracy and providing the scattering information of all modes excited as well.
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