NDLI: Polarization-space-time joint domain processing for clutter suppression in subspace leakage environments

Content Provider	IEEE Xplore Digital Library
Author	Dijun Wu Zhenhai Xu Ziyuan Xiong Liang Zhang Shunping Xiao
Copyright Year	2011
Description	Author affiliation: School of Electronic Science and Engineering National University of Defense Technology Changsha 410073, China (Dijun Wu; Zhenhai Xu; Ziyuan Xiong; Liang Zhang; Shunping Xiao)
Abstract	Subspace leakage is a problem frequently encountered in many real-world multidimensional array space time adaptive processing (STAP). It leads to effective rank of clutter increased and clutter spectral spread, which seriously impacts on the performance of clutter suppression of STAP. We consider that polarization information combined to spatial and Doppler information can improve the performance of clutter suppression in subspace leakage environments. New exploited polarization information can improve the performance of clutter rejection and can enhance output signal-to-clutter-plus-noise ratio (SCNR). The performance of polarization-space-time joint domain processing (PST-JDP) is significantly superior to STAP in channel mismatch and ICM case, especially Doppler frequency of the target is small. Polarization difference between target and clutter is larger and clutter degree of polarization is higher, the performance of clutter suppression for PST-JDP is better.
Starting Page	692
Ending Page	695
File Size	128752
Page Count	4
File Format	PDF
ISBN	9781424484447
e-ISBN	9781424484430
DOI	10.1109/CIE-Radar.2011.6159635
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-10-24
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Clutter Signal to noise ratio Covariance matrix Doppler effect Eigenvalues and eigenfunctions Correlation covariance matix taper clutter suppression polarization-space-time joint domain processing subspace leakage
Content Type	Text
Resource Type	Article

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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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