Dual-series solution to scattering from a semicircular channel in a ground plane

  title={Dual-series solution to scattering from a semicircular channel in a ground plane},
  author={M. K. Hinders and A. D. Yaghjian},
  journal={IEEE Microwave and Guided Wave Letters},
Exact dual-series eigenfunction solutions, and simple closed-form low-frequency asymptotic approximations are determined for the problems of TM and TE scattering from a semicircular channel in a perfectly conducting ground plane. The eigenfunction solutions provide benchmarks for channel scattering, and the low-frequency solutions can be used to determine directly incremental length diffraction coefficients for narrow channels.<<ETX>> 

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