A New ISAR Imaging Method of Ballistic Midcourse Target

Abstract:

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A new micro-motion ISAR imaging algorithm based on the MP sparse decomposition is proposed in this paper. The algorithm use the changes of azimuth angle caused by micro-motion to achieve high cross range resolution, and decompose the echoes of the same range cell before Wigner-Ville transformation to eliminate the cross-term interference. Compared with the traditional Range-Doppler algorithm and the Wigner-Ville imaging algorithm, the new algorithm considered here exhibits better imaging precision and is without cross-term interference. The simulated results have demonstrated that it is an effective method for the micro-motion target imaging.

Info:

Periodical:

Edited by:

Zhenyu Du and Bin Liu

Pages:

485-490

DOI:

10.4028/www.scientific.net/AMM.65.485

Citation:

T. Lei et al., "A New ISAR Imaging Method of Ballistic Midcourse Target", Applied Mechanics and Materials, Vol. 65, pp. 485-490, 2011

Online since:

June 2011

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Price:

$35.00

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