国家自然科学基金(61101179)

作品数:4被引量:3H指数:1
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相关作者:付强周剑雄更多>>
相关机构:国防科学技术大学更多>>
相关期刊:《Chinese Journal of Electronics》《Science China(Information Sciences)》《Journal of Systems Engineering and Electronics》《重庆理工大学学报(自然科学)》更多>>
相关主题:IMATIONDICTIONARYCOMPARISONCOGNITIVECALCULATION更多>>
相关领域:电子电信自动化与计算机技术更多>>
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Posterior probability calculation procedure for recognition rate comparison被引量:1
《Journal of Systems Engineering and Electronics》2016年第3期700-711,共12页Jun He Qiang Fu 
supported by the National Natural Science Foundation of China(61101179)
This paper focuses on the recognition rate comparison for competing recognition algorithms, which is a common problem of many pattern recognition research areas. The paper firstly reviews some traditional recognition ...
关键词:pattern recognition performance evaluation algorithm uncertainty analysis 
Radon_CPF+NLS算法估计性能研究
《重庆理工大学学报(自然科学)》2015年第10期108-113,共6页赵博威 周剑雄 付强 
国家自然科学基金资助项目(61101179)
三阶多项式相位信号常用于无线通信、雷达、声纳系统、生物学、地震学等领域,但其参数估计较为困难。针对此问题,采用基于Radon_CPF算法和单纯型法的Radon_CPF+NLS算法实现了对三阶多项式相位信号的相位参数估计,分析了算法的估计性能,...
关键词:三阶多项式相位信号 Radon_CPF+NLS 单纯型法 
A New Algorithm for Sparse Frequency Waveform Design with Range Sidelobes Constraint被引量:1
《Chinese Journal of Electronics》2015年第3期604-610,共7页WU Hao SONG Zhiyong FAN Hongqi LI Yunxiang FU Qiang 
supported by the National Natural Science Foundation of China(No.61101186,No.61101179)
To suppress narrowband interferences,sparse frequency waveform can be transmitted by wideband radar systems. It suffers the high range sidelobes. A new algorithm for sparse frequency waveform design with range sidelob...
关键词:COGNITIVE radar SPARSE frequency WAVEFORM Weighted integrated SIDELOBE level(WISL) PAR 
Compressed sensing of superimposed chirps with adaptive dictionary refinement被引量:1
《Science China(Information Sciences)》2013年第12期167-181,共15页HU Lei ZHOU JianXiong SHI ZhiGuang FU Qiang 
supported by National Natural Science Foundation of China(Grant Nos.60972113,61101179)
The compressed sensing (CS) theory shows that accurate signal reconstruction depends on presetting an appropriate signal sparsifying dictionary. For CS of superimposed chirps, this dictionary is typically taken to b...
关键词:compressed sensing (CS) superimposed chirps dictionary refinement variational Bayesian ap-proximation expectation-maximization (EM) algorithm 
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