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High-frequency techniques for RCS prediction of plate geometriesSeveral different high-frequency methods for modeling the radar cross sections (RCSs) of plate geometries are examined. The Method of Equivalent Currents and a numerically derived corner diffraction coefficient are used to model the RCS of a rectangular, perfectly conducting plate in nonprincipal planes. The Uniform Theory of Diffraction is used to model the RCS of a rectangular, perfectly conducting plate in principal planes. For the soft polarization case, first-order and slope-diffraction terms are included. For the hard polarization case, up to four orders of diffraction are included. Finally, the Uniform Theory of Diffraction for impedance wedges and the Impedance Boundary Condition are used to model the RCS of a coated, rectangular plate in principal planes. In most of the cases considered, comparisons are made between theoretical and experimental results.
Document ID
19910006899
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Balanis, Constantine A. (Arizona State Univ. Tempe, AZ, United States)
Polka, Lesley A. (Arizona State Univ. Tempe, AZ, United States)
Date Acquired
September 6, 2013
Publication Date
January 1, 1991
Subject Category
Communications And Radar
Report/Patent Number
NASA-CR-187865
NAS 1.26:187865
Accession Number
91N16212
Funding Number(s)
CONTRACT_GRANT: NAG1-562
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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