国家自然科学基金(60925005)

作品数：6被引量：89H指数：4
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相关作者：宫学庆周傲英周敏奇更多>>
相关机构：华东师范大学更多>>
相关期刊：《计算机学报》《Chinese Physics B》《Science China(Information Sciences)》《Journal of Systems Engineering and Electronics》更多>>
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Adaptive detectors in the Krylov subspace被引量：5
《Science China(Information Sciences)》2014年第10期113-123,共11页LIU WeiJian XIE WenChong LI RongFeng WANG ZeTao WANG YongLiang 
supported in part by Outstanding Youth Fund of the National Natural Science Foundation ofChina(Grant No.60925005);National Natural Science Foundation of China(Grant No.61102169)
The validity of the application of the Krylov subspace techniques in adaptive filtering and detection is investigated. A new verification of the equivalence of two well-known methods in the Krylov subspace, namely the...
关键词：adaptive matched filter （AMF） auxiliary-vector filtering （AVF） diagonal loading generalizedlikelihood ratio test （GLRT） Krylov subspace multistage Wiener filters （MWF） 
Reduced-rank space-time adaptive detection for airborne radar被引量：9
《Science China(Information Sciences)》2014年第8期98-108,共11页WANG YongLiang LIU WeiJian XIE WenChong ZHAO YingJun 
supported in part by National Natural Science Foundation of China (Grant No.60925005,61102169)
For airborne radar, there are usually insufficient independent and identically distributed （IID） train- ing data because of geometric considerations and terrain variations. The rank reduction technique is one of the...
关键词：airborne radar constant false alarm rate （CFAR） rank reduction space-time adaptive detection（STAD） space-time adaptive processing （STAP） target detection 
Adaptive detection based on orthogonal partition of the primary and secondary data被引量：4
《Journal of Systems Engineering and Electronics》2014年第1期34-42,共9页Weijian Liu Wenchong Xie Yongliang Wang 
supported by the National Natural Science Foundation of China(61102169);the Outstanding Youth Fund of the National Natural Science Foundation of China(60925005)
A novel adaptive detection scheme both for point-like and distributed targets in the presence of Gaussian disturbance in the partial y homogeneous environment （PHE） is proposed. The novel detection scheme is based o...
关键词：partially homogeneous environment （PHE） orthogo-nal partition orthogonal projection. 
Varactor-tunable frequency selective surface with an embedded bias network
《Chinese Physics B》2013年第9期395-398,共4页林宝勤 屈绍波 童创明 周航 张衡阳 李伟 
supported by the National Natural Science Foundation of China (Grant Nos. 60901029, 61172148, and 60925005);the Natural Science Foundation of Shaanxi Province, China (Grant No. 2011JQ8040)
A new technique for designing a varactor-tunable frequency selective surface （FSS） with an embedded bias network is proposed and experimentally verified. The proposed FSS is based on a square-ring slot FSS. The freq...
关键词：frequency selective surface varactor diodes embedded bias network 
Combining sum-difference and auxiliary beams for adaptive monopulse in jamming被引量：15
《Journal of Systems Engineering and Electronics》2013年第3期372-381,共10页Rongfeng Li Can Rao Lingyan Dai Yongliang Wang 
supported by the National Natural Science Foundation of China(60925005)
Only in the presence of sidelobe jamming （SLJ）, can the conventional adaptive monopulse technique null the jamming effectively and maintain the monopulse angle estimation accuracy simultaneously. While mainlobe jamm...
关键词：adaptive beamforming auxiliary beam mainlobe jam- ming monopulse estimation. 
计算广告:以数据为核心的Web综合应用被引量：62
《计算机学报》2011年第10期1805-1819,共15页周傲英 周敏奇 宫学庆 
国家自然科学基金(60925005);上海市重点学科建设项目(B412)资助
计算广告是随着互联网应用发展起来的一个综合多学科的研究领域,这多学科包括数据管理、信息检索、数据挖掘、统计分析、机器学习、分布式系统等.由于其广泛的应用和巨大的市场价值,计算广告学已逐步发展成一个独立的研究方向.目前,计...
关键词：计算广告 广告检索 广告竞价 广告定向 
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