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Proceedings Paper

Measurement of persistent scatterers in manmade targets
Author(s): August W. Rihaczek; Stephen J. Hershkowitz
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Paper Abstract

An important question concerning the practical feasibility of radar target identification is whether specific scatterers on a target can be observed over relatively large aspect angle sectors. Using turntable data on a fighter aircraft, we demonstrate that this is indeed the case. We show that essentially the same scatterers can be observed when the aspect angle is changed in steps from 5 degrees to 70 degrees. Although some scatterers on the fuselage cannot be observed at the larger aspect angles, this is due to the fact that the data allowed implementing a crossrange resolution of only 4 ft. This implies a lack in resolution performance along the fuselage as the aspect angle becomes larger. The loss of some scatterers at larger aspect angles thus is due to poor resolution rather than a lack in scatterer persistence.

Paper Details

Date Published: 14 October 1998
PDF: 11 pages
Proc. SPIE 3462, Radar Processing, Technology, and Applications III, (14 October 1998); doi: 10.1117/12.326753
Show Author Affiliations
August W. Rihaczek, MARK Resources, Inc. (United States)
Stephen J. Hershkowitz, MARK Resources, Inc. (United States)


Published in SPIE Proceedings Vol. 3462:
Radar Processing, Technology, and Applications III
William J. Miceli, Editor(s)

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