Accurate far-field scattering patterns and backscattering cross sections are numerically calculated for perfectly conducting strips, finite (circular sector) wedges, and sectorally notched circular cylinders, all infinitely long, under transverse electric or transverse magnetic plane-wave illumination normally incident to the cylinder axis from any direction. The notch or wedge angle is arbitrary. Results have been obtained for cylinders and wedges of radius as large as five wavelengths, and strips as wide as two wavelengths, without straining an IBM 7094 digital computer.
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Billingsley et al. (1966) studied this question.