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A planar near-field scanning technique for bistatic radar cross section measurementsA progress report on the development of a bistatic radar cross section (RCS) measurement range is presented. A technique using one parabolic reflector and a planar scanning probe antenna is analyzed. The field pattern in the test zone is computed using a spatial array of signal sources. It achieved an illumination pattern with 1 dB amplitude and 15 degree phase ripple over the target zone. The required scan plane size is found to be proportional to the size of the desired test target. Scan plane probe sample spacing can be increased beyond the Nyquist lambda/2 limit permitting constant probe sample spacing over a range of frequencies.
Document ID
19910006881
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Tuhela-Reuning, S. (Ohio State Univ. Columbus, OH, United States)
Walton, E. K. (Ohio State Univ. Columbus, OH, United States)
Date Acquired
September 6, 2013
Publication Date
December 1, 1990
Subject Category
Communications And Radar
Report/Patent Number
NASA-CR-187794
NAS 1.26:187794
ESL-TR-723105-1
Accession Number
91N16194
Funding Number(s)
CONTRACT_GRANT: NAG3-1125
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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