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Titolo:
ACSAR-antenna coupling synthetic aperture radar imaging algorithm
Autore:
Ozdemir, C; Ling, H;
Indirizzi:
Univ Texas, Dept Elect & Comp Engn, Austin, TX 78712 USA Univ Texas Austin TX USA 78712 pt Elect & Comp Engn, Austin, TX 78712 USA
Titolo Testata:
JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS
fascicolo: 3, volume: 13, anno: 1999,
pagine: 285 - 306
SICI:
0920-5071(1999)13:3<285:ACSARI>2.0.ZU;2-6
Fonte:
ISI
Lingua:
ENG
Soggetto:
BOUNCING RAY TECHNIQUE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
Citazioni:
12
Recensione:
Indirizzi per estratti:
Indirizzo: Ozdemir, C Univ Texas, Dept Elect & Comp Engn, Austin, TX 78712 USA Univ Texas Austin TX USA 78712 Comp Engn, Austin, TX 78712 USA
Citazione:
C. Ozdemir e H. Ling, "ACSAR-antenna coupling synthetic aperture radar imaging algorithm", J ELECTROM, 13(3), 1999, pp. 285-306

Abstract

A synthetic aperture radar imaging technique called ACSAR for antenna coupling scenarios is introduced. It is shown that an ACSAR image of a platformcan be formed by inverse-Fourier transforming the multi-frequency, multi-spatial coupling data between two antennas. Furthermore, we present a fast ACSAR imaging algorithm that is specifically tailored to the shooting and bouncing ray (SBR) technique. The fast algorithm is shown to reduce the totalsimulation time by several orders of magnitude without significant loss offidelity. Finally, a sparse representation of ACSAR imagery is introduced by extracting the point radiators in the image. By parameterizing the ACSARimage, it is possible to reconstruct the 3-D ACSAR image and the 3-D frequency-spatial data with a very sparse set of radiation centers.

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Documento generato il 29/09/20 alle ore 06:09:34