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Two-dimensional scattering center extraction based on multiple elastic modules network

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2 Author(s)
Dong-Hyun Kim ; Dept. of Electr. Eng. & Comput. Sci., Yeungnam Univ., Kyungbuk, South Korea ; Hyo-Tae Kim

The concept of scattering centers on a target is commonly used for radar signature modeling and data compression, as well as target recognition. In particular, two-dimensional (2-D) scattering centers are useful features in automatic target recognition, which uses a synthetic aperture radar system, because they are directly related to physical scattering mechanisms and also have small dimensionality. We propose a new technique for estimating 2-D scattering centers using radar data in the frequency-aspect domain. The technique first estimates one-dimensional scattering centers at several aspects, and the multiple elastic modules network optimization is exploited to find 2-D locations and amplitudes of the target's scattering centers. Experimental results illustrate that the proposed method is efficient not only for estimating 2-D scattering centers on the target but also in computation.

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Antennas and Propagation, IEEE Transactions on  (Volume:51 ,  Issue: 4 )