NDLI: Polarimetric smoothing revisited: Applicability to randomly polarized sources and to incomplete electromagnetic vector-sensors

Content Provider	IEEE Xplore Digital Library
Author	Yougen Xu Zhiwen Liu Sichao Fu
Copyright Year	2008
Description	Author affiliation: Dept. of Electron. Eng., Beijing Inst. of Technol., Beijing (Yougen Xu; Zhiwen Liu; Sichao Fu)
Abstract	Randomly or partially polarized sources occur frequently in practical applications such as radar and modern communications. In this paper, we revisit the polarimetric smoothing technique, which is previously customized for decorrelating completely polarized coherent signals with identically oriented complete electromagnetic (EM) vector-sensors, on its applicability to randomly polarized signals and to incomplete EM vector-sensors instead. It is shown here that polarimetric smoothing can be extended in a rather straightforward way for decorrelating randomly polarized source signals, using either complete or incomplete EM vector-sensors. However, when utilizing incomplete EM vector-sensors for completely polarized signals, polarimetric smoothing may fail to decorrelate signals that have distinct directions of arrival (DOAs) and/or polarizations. Some typical numerical results are also presented to confirm the main points made in the paper.
Starting Page	328
Ending Page	331
File Size	247785
Page Count	4
File Format	PDF
ISBN	9781424421787
DOI	10.1109/ICOSP.2008.4697137
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-26
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Smoothing methods Electromagnetic wave polarization Direction of arrival estimation Decorrelation Multiple signal classification Signal processing algorithms Array signal processing Signal processing Radar applications Radar polarimetry polarization direction-of-arrival (DOA) estimation
Content Type	Text
Resource Type	Article

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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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