Validation of near-field monostatic to bistatic equivalence theorem
Gabig, S.J.
Wilson, K.
Collins, P.J.
Terzuoli, A.J., Jr.
Nesti, G.
Fortuny, J.
Air Force Inst. of Technol., Wright-Patterson AFB, OH;
This paper appears in: Geoscience and Remote Sensing Symposium, 2000. Proceedings. IGARSS 2000. IEEE 2000 International
Publication Date: 2000
Volume: 3,
On page(s): 1012-1014 vol.3
Meeting Date: 07/24/2000 - 07/28/2000
Location: Honolulu, HI, USA
ISBN: 0-7803-6359-0
References Cited: 5
INSPEC Accession Number: 6770234
Digital Object Identifier: 10.1109/IGARSS.2000.858005
Current Version Published: 2002-08-06
Abstract
The purpose of this research is to quantitatively determine the
limits of Falconer's monostatic to bistatic equivalence theorem (MBET).
Falconer developed two extensions to Kell's MBET, one applicable to near
zone data and one valid in the far zone region. This work encompassed
collecting and analyzing both monostatic and bistatic radar cross
section (RCS) data for perfect electric conducting (PEC) objects.
Specifically, this research analyzes the effects of varying the
parameters of transmission frequency, object shape complexity, and
receiver bistatic angle. Objects range in geometric complexity from
canonical objects comprised of simple scatterers to multifaceted
composites that sustain numerous interactions. Empirical data collected
in the far zone are compared to analytical predictions produced by
commercially available electromagnetic computer codes, both a method of
moments (MoM) code and a near-field physical optics code. The codes ran
at X-band through K-band frequencies for a comparison with object data.
Further, the empirical bistatic data are compared to the estimate
produced by the MBET, to ascertain the region in which the MBET
approximation is applicable. Finally, electromagnetic computer codes are
used to produce near-field scartering predictions to facilitate
validation of Falconer's near-field MBET
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