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Adaptive ISAR image construction from nonuniformly undersampled data

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2 Author(s)
Wang, Yuanxun ; Dept. of Electr. & Comput. Eng., Texas Univ., Austin, TX, USA ; Hao Ling

An adaptive approach is proposed to construct ISAR images from nonuniformly undersampled data in the angular domain. The algorithm uses an adaptive scattering feature extraction engine in place of the Fourier transform in the image construction procedure. The algorithm entails searching and extracting out individual target scattering features one at a time in an iterative fashion. The interference between different target scattering features is thus avoided and a clean ISAR image without the aliasing effect can be obtained. The algorithm is verified by constructing the ISAR image from the chamber measurement data of the model VFY-218 airplane

Published in:

Antennas and Propagation, IEEE Transactions on  (Volume:48 ,  Issue: 2 )

Date of Publication:

Feb 2000

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