A New ISAR Imaging Method of Ballistic Midcourse Target

Teng Lei; Jin Mang Liu; Gang Wang; Song Li

doi:10.4028/www.scientific.net/AMM.65.485

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 65A New ISAR Imaging Method of Ballistic Midcourse...

A New ISAR Imaging Method of Ballistic Midcourse Target

Abstract:

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.

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Periodical:

Applied Mechanics and Materials (Volume 65)

Pages:

485-490

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.65.485

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Online since:

June 2011

Authors:

Teng Lei, Jin Mang Liu, Gang Wang, Song Li

Keywords:

Ballistic Target, ISAR, Micro-Motion, Sparse Decomposition

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