A resistive sheet approximation for mesh reflector antennas
Jenn, David C.
Rusch, Willard V.T.
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A simplified method of estimating the equivalent surface resistance of a reflecting mesh is presented. The equivalent resistance is obtained from the approximate mesh reflection coefficients, which are based on the method of averaged boundary conditions. This resistance approximation allows for an integral equation solution for the mesh reflector that is a simple extension of the perfectly conducting reflector. Parabolod radiation patterns using physical optics in conjunction with the reflection coefficients are compared to an E-field integral equation solution for a resistive surface. The agreement is excellent for low-to-moderate resistance values, even in the sidelobe regions.
IEEE AP-S, Vol. 37 No. 11, Nov. 1989, pp. 1484-1486The article of record as published may be located at http://dx.doi.org/10.1109/8.43569
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