NDLI: High-Resolution Bistatic ISAR Imaging Based on Two-Dimensional Compressed Sensing

Content Provider	IEEE Xplore Digital Library
Author	Shunsheng Zhang Wei Zhang Zhulin Zong Zhong Tian Tat Soon Yeo
Copyright Year	1963
Abstract	The theory of compressed sensing (CS) states that an unknown sparse signal can be accurately recovered from a limited number of measurements by solving a sparsity-constrained optimization problem. In this paper, we present a new framework of high-resolution bistatic inverse synthetic aperture radar (Bi-ISAR) imaging based on CS. A phase-preserved CS approach for high-range resolution imaging is proposed. The phase of a Bi-ISAR signal can be extracted by constructing a phase-preserved Fourier basis, which is crucial to azimuth processing of Bi-ISAR imaging. After performing CS reconstruction in range, we present an improved version of CS-based cross-range imaging by combining modified Fourier basis and weighting with CS optimization. Simulated data are used to test the robustness of the Bi-ISAR imaging framework with two-dimensional (2-D) CS method. The results show that the framework is capable of accurate reconstruction of Bi-ISAR image in both range and cross-range.
Sponsorship	IEEE Antennas and Propagation Society
Starting Page	2098
Ending Page	2111
Page Count	14
File Size	1890493
File Format	PDF
ISSN	0018926X
Volume Number	63
Issue Number	5
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Imaging Image reconstruction Radar imaging Scattering Signal resolution Signal to noise ratio Image resolution modified Fourier basis Compressed sensing (CS) bistatic inverse synthetic aperture radar (Bi-ISAR) high-resolution phasepreserved phase-preserved Bistatic inverse synthetic aperture radar (Bi-ISAR) compressed sensing (CS)
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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