Model for the Calculation of Multiply Scattered Fields.
NAVAL RESEARCH LAB WASHINGTON D C
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This report is a description of a computer model developed to calculate the field multiply scattered by a collection of flat polygonal metallic reflectors. Given a radiating dipole and the vertices of a configuration of flat reflecting polygons, the model produces the total field at any number of specified point locations. The program incorporates a recently developed finite-sum representation of the standard far-field approximation to the Helmholtz integral. The replacement of a double integral by a finite sum significantly reduces computation time.
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