Simulation of cylindrical scattering surface by conducting strips

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Abstract
The paper describes the simulation of cylindrical scattering surface by N parallel infinitely long conducting strips of arbitrary width and distribution along the cylindrical surface trajectory. The N strips are excited by a line source or a plane wave and two methods of solution are presented for each type of excitation. The first method is rigorous and based on the boundary value approach while the second is asymptotic and based on the Karp-Russek technique. Both methods are used to compute the echo width patterns for different configurations of strips due to plane wave incidence and the far field patterns of simulated cylindrical reflectors due to line source excitation. A comparison between patterns of simulated and solid cylindrical reflectors is presented to illustrate the validity of simulation. It is found that about 50% of the cylindrical surface is sufficient for simulation using equally spaced strips of 0-1A width each

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