Ground Clutter Detection Using the Statistical Properties of Signals Received With a Polarimetric Radar
Polarimetric weather radars provide additional measurements that allow better characterization of the targeted medium. Because ground clutter has different polarimetric characteristics from weather echoes, dual-polarization measurements can be used to distinguish one from the other. Ground clutter a...
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| Veröffentlicht in: | IEEE transactions on signal processing 2014-02, Vol.62 (3), p.597-606 |
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| creator | Yinguang Li Guifu Zhang Doviak, Richard J. |
| description | Polarimetric weather radars provide additional measurements that allow better characterization of the targeted medium. Because ground clutter has different polarimetric characteristics from weather echoes, dual-polarization measurements can be used to distinguish one from the other. Ground clutter and weather signals also have different statistical properties which can be utilized to distinguish one from the other. A test statistic, obtained from the generalized likelihood ratio test (GLRT), and a simple Bayesian classifier (SBC), with inputs from the mean and covariance of the received signals, are developed to detect ground clutter in the presence of weather signals. It is found that the test statistic produces false detections caused by narrow-band zero-velocity weather signals while the SBC can effectively neutralize them. This work is aimed at detecting ground clutter based solely on data from each resolution volume. The performances of the test statistic and SBC are shown by applying them to radar data collected with the University of Oklahoma-Polarimetric Radar for Innovation in Meteorology and Engineering. |
| doi_str_mv | 10.1109/TSP.2013.2293118 |
| format | Article |
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Because ground clutter has different polarimetric characteristics from weather echoes, dual-polarization measurements can be used to distinguish one from the other. Ground clutter and weather signals also have different statistical properties which can be utilized to distinguish one from the other. A test statistic, obtained from the generalized likelihood ratio test (GLRT), and a simple Bayesian classifier (SBC), with inputs from the mean and covariance of the received signals, are developed to detect ground clutter in the presence of weather signals. It is found that the test statistic produces false detections caused by narrow-band zero-velocity weather signals while the SBC can effectively neutralize them. This work is aimed at detecting ground clutter based solely on data from each resolution volume. 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(IEEE) 2014</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c354t-96ac72cf7f4ca336c0a19a901027598ca5a3bfc165dbb44f8c8c44c40dbf02843</citedby><cites>FETCH-LOGICAL-c354t-96ac72cf7f4ca336c0a19a901027598ca5a3bfc165dbb44f8c8c44c40dbf02843</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/6675884$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/6675884$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=28203540$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Yinguang Li</creatorcontrib><creatorcontrib>Guifu Zhang</creatorcontrib><creatorcontrib>Doviak, Richard J.</creatorcontrib><title>Ground Clutter Detection Using the Statistical Properties of Signals Received With a Polarimetric Radar</title><title>IEEE transactions on signal processing</title><addtitle>TSP</addtitle><description>Polarimetric weather radars provide additional measurements that allow better characterization of the targeted medium. Because ground clutter has different polarimetric characteristics from weather echoes, dual-polarization measurements can be used to distinguish one from the other. Ground clutter and weather signals also have different statistical properties which can be utilized to distinguish one from the other. A test statistic, obtained from the generalized likelihood ratio test (GLRT), and a simple Bayesian classifier (SBC), with inputs from the mean and covariance of the received signals, are developed to detect ground clutter in the presence of weather signals. It is found that the test statistic produces false detections caused by narrow-band zero-velocity weather signals while the SBC can effectively neutralize them. This work is aimed at detecting ground clutter based solely on data from each resolution volume. The performances of the test statistic and SBC are shown by applying them to radar data collected with the University of Oklahoma-Polarimetric Radar for Innovation in Meteorology and Engineering.</description><subject>Applied sciences</subject><subject>Bayes methods</subject><subject>Climatology</subject><subject>Clutter</subject><subject>Detection, estimation, filtering, equalization, prediction</subject><subject>Economic models</subject><subject>Exact sciences and technology</subject><subject>Grounds</subject><subject>Information, signal and communications theory</subject><subject>Likelihood ratio</subject><subject>Meteorological radar</subject><subject>Meteorology</subject><subject>Noise</subject><subject>Radar</subject><subject>Radar clutter</subject><subject>radar detection</subject><subject>radar polarimetry</subject><subject>Signal and communications theory</subject><subject>Signal, noise</subject><subject>Statistical analysis</subject><subject>Statistics</subject><subject>Telecommunications and information theory</subject><subject>Transaction processing</subject><subject>Vectors</subject><subject>Weather</subject><issn>1053-587X</issn><issn>1941-0476</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkE1LHEEQhgeJEGO8B7w0SCCX2fT3zBxljR8gZHEVvTW9NdVryzi96e4J-O_tZRcPnqqgnrfgfarqB6Mzxmj3-365mHHKxIzzTjDWHlRHrJOsprLRX8pOlahV2zx9rb6l9EIpk7LTR9X6KoZp7Ml8mHLGSC4wI2QfRvKQ_Lgm-RnJMtvsU_ZgB7KIYYMxe0wkOLL069EOidwhoP-PPXn0-ZlYsgiDjf4Vc_RA7mxv4_fq0BUST_bzuHq4_HM_v65v_17dzM9vaxBK5rrTFhoOrnESrBAaqGWd7SijvFFdC1ZZsXLAtOpXKyldCy1ICZL2K0d5K8Vx9Wv3dxPDvwlTNq8-AQ6DHTFMyTDdMNlwLlhBzz6hL2GK2z6GKSqVVELqQtEdBTGkFNGZTWlm45th1GzNm2LebM2bvfkS-bl_bFNx5qIdwaePHG85LWVp4U53nEfEj7PWjWpLk3cMN4wy</recordid><startdate>20140201</startdate><enddate>20140201</enddate><creator>Yinguang Li</creator><creator>Guifu Zhang</creator><creator>Doviak, Richard J.</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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Because ground clutter has different polarimetric characteristics from weather echoes, dual-polarization measurements can be used to distinguish one from the other. Ground clutter and weather signals also have different statistical properties which can be utilized to distinguish one from the other. A test statistic, obtained from the generalized likelihood ratio test (GLRT), and a simple Bayesian classifier (SBC), with inputs from the mean and covariance of the received signals, are developed to detect ground clutter in the presence of weather signals. It is found that the test statistic produces false detections caused by narrow-band zero-velocity weather signals while the SBC can effectively neutralize them. This work is aimed at detecting ground clutter based solely on data from each resolution volume. 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| subjects | Applied sciences Bayes methods Climatology Clutter Detection, estimation, filtering, equalization, prediction Economic models Exact sciences and technology Grounds Information, signal and communications theory Likelihood ratio Meteorological radar Meteorology Noise Radar Radar clutter radar detection radar polarimetry Signal and communications theory Signal, noise Statistical analysis Statistics Telecommunications and information theory Transaction processing Vectors Weather |
| title | Ground Clutter Detection Using the Statistical Properties of Signals Received With a Polarimetric Radar |
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