SAR_IMAGES

作品数：93被引量：190H指数：6
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Complete three-dimensional coseismic displacements due to the 2021 Maduo earthquake in Qinghai Province,China from Sentinel-1 and ALOS-2 SAR images被引量：7
《Science China Earth Sciences》2022年第4期687-697,共11页Jihong LIU Jun HU Zhiwei LI Zhangfeng MA Lixin WU Weiping JIANG Guangcai FENG Jianjun ZHU 
supported by the National Key Basic Research and Development Program of China(Grant No.2018YFC1503603);the National Natural Science Foundation of China(Grant No.42030112);the Nature Science Foundation of Hunan Province(Grant No.2020JJ2043);the Project of Innovation-driven Plan of Central South University(Grant No.2019CX007);the Fundamental Research Funds for the Central Universities of Central South University(Grant Nos.2018zzts684 and 2019zzts011);the Hunan Provincial Innovation Foundation For Postgraduate(Grant No.CX20190067)。
On 22 nd May 2021(local time),an earthquake of M_(s)7.4 struck Maduo county in Qinghai Province,China.This was the largest earthquake in China since the 2008 Wenchuan earthquake.In this study,ascending/descending Sent...
关键词：The 2021 Maduo earthquake 3-D displacements SM-VCE SAR Coseismic strain field 
Geometric active contour based approach for segmentation of high-resolution spaceborne SAR images被引量：2
《Journal of Systems Engineering and Electronics》2015年第1期69-76,共8页Shaoming Zhang Fang He Yunling Zhang Jianmei Wang Xiao Mei Tiantian Feng 
supported by the National Natural Science Foundation of China(41171327;41301361);the National Key Basic Research Program of China(973 Program)(2012CB719903);the Science and Technology Project of Ministry of Transport of People’s Republic of China(2012-364-X11-803);the Shanghai Municipal Natural Science Foundation(12ZR1433200)
Segmentation is the key step in auto-interpretation of high-resolution spaceborne synthetic aperture radar（SAR） images. A novel method is proposed based on integrating the geometric active contour（GAC） and the sup...
关键词：image segmentation synthetic aperture radar（SAR） imagery support vector machine（SVM） geometric active contour（GAC） 
Suppressing azimuth ambiguity in spaceborne SAR images based on compressed sensing被引量：1
《Science China(Information Sciences)》2012年第8期1830-1837,共8页YU Ze LIU Min 
supported by National Key Basic Research Program Project(973 Program)of China(Grant No.2010CB731902)
In spaceborne synthetic aperture radar, undersampling at the rate of the pulse repetition frequency causes azimuth ambiguity, which induces ghost into the images. This paper introduces compressed sensing for azimuth a...
关键词：synthetic aperture radar compressed sensing azimuth ambiguity orthogonal matching pursuit 
AN EVIDENT SIDELOBE CONTROL METHOD BASED ON NSCT FOR SHIP TARGET IN SAR IMAGES
《Journal of Electronics(China)》2011年第4期419-426,共8页Li Xueying Yin Dong Zhang Rong Wang Kui 
Supported by the National Basic Research Program of China (973 Program) (No. 2010CB731900)
Evident sidelobe on faint ship target seriously affects the accuracy of the target segmen-tation in Synthetic Aperture Radar(SAR) images.To avoid this problem,a novel sidelobe control method based on NonSubsampled Con...
关键词：Synthetic Aperture Radar(SAR) NSCT Sidelobe control Directional enhancement 
Parameterized first-guess spectrum method for retrieving directional spectrum of swell-dominated waves and huge waves from SAR images被引量：10
《Chinese Journal of Oceanology and Limnology》2006年第1期12-20,共9页孙建 管长龙 
Supported by the High-Tech Research and Development Program of China (863 Program, No. 2001AA633070 2003AA604040)the National Basic Research Program of China (973 Program. No. 2005CB422307)
A method to retrieve ocean wave spectra from SAR images, named Parameterized First-guess Spectrum Method （PFSM）, was proposed after interpretation of the theory to ocean wave imaging and analysis of the drawbacks of...
关键词：Synthetic Aperture Radar ocean wave spectrum SAR retrieval method 
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