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Reconstruction of Moving Target's HRRP Using Sparse Frequency-Stepped Chirp Signal

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4 Author(s)
Feng Zhu ; Institute of Telecommunication Engineering, AFEU, Xi'an, China ; Qun Zhang ; Qiang Lei ; Ying Luo

This paper introduces a novel reconstruction method of high-resolution range profile (HRRP) using sparse frequency-stepped chirp signal (FSCS). In the method, Compressed Sensing (CS) theory is utilized to reconstruct the moving target's HRRP. With this method even if the subpulses number of FSCS is incomplete, the HRRP can still be reconstructed successfully, and the final reconstructed ISAR image is clear enough for identification and classification of the target. Furthermore, the effect of noise is also analyzed by corrupting the data via an uncorrelated additive white Gaussian process.

Published in:

IEEE Sensors Journal  (Volume:11 ,  Issue: 10 )