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親愛的蟲友們，Wishart分布情形下極化SAR圖像目標(biāo)CFAR檢測(cè)解析方法，這篇論文電子學(xué)報(bào)18年2月發(fā)表的，請(qǐng)幫忙查一下EI號(hào)，順便給個(gè)鏈接，謝謝啦 |
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Polarimetric SAR Imagery Target CFAR Detection Analytical Algorithm with Wishart Distribution Accession number: 20183305688622 Title of translation: Wishart分布情形下極化SAR圖像目標(biāo)CFAR檢測(cè)解析方法 Authors: Zhang, Jia-Feng 1 ; Zhu, Bo 2 ; Zhang, Peng 1 ; Wang, Ming-Chun 1 ; Liu, Tao 1 Author affiliations : 1 School of Electronic Engineering, Naval University of Engineering, Wuhan; Hubei; 430030, China 2 Institute of Information and Technology, Naval Academy of Armament, Beijing; 102200, China Corresponding author: Liu, Tao (liutao1018@sina.com) Source title: Tien Tzu Hsueh Pao/Acta Electronica Sinica Abbreviated source title: Tien Tzu Hsueh Pao Volume: 46 Issue: 2 Issue date: February 1, 2018 Publication Year: 2018 Pages: 433-439 Language: Chinese https://www.engineeringvillage.c ... oolsinScopus=Noload |
2樓2019-05-13 09:46:18
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Accession number: 20183305688622 Title of translation: Wishart分布情形下極化SAR圖像目標(biāo)CFAR檢測(cè)解析方法 Authors: Zhang, Jia-Feng 1 ; Zhu, Bo 2 ; Zhang, Peng 1 ; Wang, Ming-Chun 1 ; Liu, Tao 1 Author affiliations : 1 School of Electronic Engineering, Naval University of Engineering, Wuhan; Hubei; 430030, China 2 Institute of Information and Technology, Naval Academy of Armament, Beijing; 102200, China Corresponding author: Liu, Tao (liutao1018@sina.com) Source title: Tien Tzu Hsueh Pao/Acta Electronica Sinica Abbreviated source title: Tien Tzu Hsueh Pao Volume: 46 Issue: 2 Issue date: February 1, 2018 Publication Year: 2018 Pages: 433-439 Language: Chinese ISSN: 03722112 CODEN: TTHPAG Document type: Journal article (JA) Publisher: Chinese Institute of Electronics Abstract: The equivalent number of looks (ENL) is a key parameter that affects the constant false alarm rate (CFAR) detection performances in polarimetric synthetic aperture radar (PolSAR) imageries.At present, the estimated value of the ENL mostly is not an integer, resulting that existing CFAR detection algorithms are no longer applicable.To solve this problem, a new analytical CFAR algorithm of target detection is proposed in PolSAR imageries.Firstly, the probability density function (PDF) of multi-look polarimetric whitening filter (MPWF) metric is derived based on Wishart distribution assumption; Secondly, the analytical expression of CFAR detection threshold with respect to the ENL is obtained by integrating the PDF of MPWF metric; Finally, the CFAR detection performances of the new algorithm are compared with other CFAR detection algorithms via simulation data and AIRSAR measured data.The results show that the real false alarm probability in the new algorithm is the closest to the given constant false alarm probability, which better guarantees the hypothesis of the constant false alarm probability in the CFAR detection. © 2018, Chinese Institute of Electronics. All right reserved. Number of references: 20 Main heading: Probability density function Controlled terms: Alarm systems - Errors - Image resolution - Polarimeters - Probability distributions - Radar imaging - Radar measurement - Signal detection - Synthetic aperture radar Uncontrolled terms: Analytical expressions - Constant false alarm rate detections - Equivalent number of looks - Polarimetric synthetic aperture radars - Wishart distribution Classification code: 716.1Information Theory and Signal Processing - 716.2Radar Systems and Equipment - 922.1Probability Theory - 941.3Optical Instruments DOI: 10.3969/j.issn.0372-2112.2018.02.024 Database: Compendex Compilation and indexing terms, © 2019 Elsevier Inc. |
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