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检索条件："机构=KeyLaboratoryforRadarSignalProcessing "
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Natural gradient-based recursive least-squares algorithm for adaptive blind source separation被引量：8
《Science in China(Series F)》2004年第1期55-65,共11页ZHUXiaolong ZHANGXianda YEJimin 
This paper focuses on the problem of adaptive blind source separation (BSS). First, a recursive least-squares (RLS) whitening algorithm is proposed. By combining it with a natural gradient-based RLS algorithm for nonl...
关键词：blind source separation natural gradient recursive least-squares pre-whitening. 
A novel space-borne antenna anti-jamming technique based on immunity genetic algorithm-maximum likelihood被引量：3
《Science in China(Series F)》2005年第3期397-408,共12页TAOHaihong YUJiang WANGHongyang LIAOGuisheng 
A novel space-borne antenna nulling method is presented on rejecting strong multi-interference from the ground and air. Immune Genetic Algorithm for searching for the multi-extremum of maximum likelihood function has ...
关键词：maximum likelihood immune genetic algorithm adaptive vaccine pick-up ANTI-INTERFERENCE space-borne antenna. 
An Algorithm for Joint Estimating Range, DOA and Frequency of Near-Field Sources被引量：5
《Chinese Journal of Electronics》2004年第1期19-23,共5页CHENJianfeng ZHANGXianda WUYuntao 
Most of the existing eigen-decomposition based localization methods make the plane wave assumption in order to estimate the signal parameters of multiple sources. This paper proposes a novel joint algorithm for ranges...
关键词：DOA 阵列信号处理 距离判定 频率估计 四阶累积量 近场信号源 联合估计 
ISAR Echoes Coherent Processing and Imaging被引量：3
《Chinese Journal of Electronics》2004年第2期187-193,共7页XINGMengdao LANJinqiao BAOZheng LIAOGuisheng 
The general approach to ISAR imaging is Range-doppler (RD) imaging approach. For this approach,the Translational motion compensation (TMC) is firstly obtained by envelope alignment and autofocus, so the target can be ...
关键词：ISAR 逆合成孔径雷达 图像处理 RID 瞬时多普勒效应 
Signal-adapted FIR Filter Banks Without Perfect-reconstruction Property被引量：1
《Chinese Journal of Electronics》2005年第2期332-336,共5页SHUIPenglang ZHANGAihua 
A time-domain approach is proposed to design signal-adapted FIR (Finite impulse response) filter banks without the perfect reconstruction property. For a given Wide sense stationary (WSS) input process and a total bit...
关键词：FIR滤波 GSBC WSS 量子变形 滤波器组 光通信 
Some properties of the alternating separation (AS), alternating projection (AP) and ASAP algorithm被引量：1
《Science in China(Series F)》2004年第4期409-420,共12页SHAOChao LUGuangyue BAOZheng 
This paper analyzes some properties of the alternating separation (AS) and alternating projection (AP) algorithm. The analysis shows that AS converges to the optimal point steadily but slowly, while AP converges to th...
关键词：alternating separation MOVE estimator alternating projection ASAP algorithm signal separa-tion. 
Neural Network Learning for Principal Component Analysis： A Multistage Decomposition Approach
《Chinese Journal of Electronics》2004年第1期1-7,共7页FENGDazheng ZHANGXianda BAOZheng 
This paper presents a novel neural network model for finding the principal components of an Ndimensional data stream. This neural network consists of r (≤N) neurons, where the i-th neuron has only N - i+1 weights and...
关键词：神经网络 主成分分析 多级分解 NIC 性能 n维数据流 信息准则 
An Adaptive Filtering Algorithm to Despeckle SAR Images Based on Scale Space Correlation
《Chinese Journal of Electronics》2005年第2期209-214,共6页RENLu XINGMengdao BAOZheng 
Based on the scale space correlation in wavelet domain, a new adaptive filtering algorithm is proposed to remove speckle in SAR images in this paper. This method decomposes SAR images into several scales with Stationa...
关键词：SAR 图像处理 自适应滤波 消除噪声 
METHOD FOR ALONG-TRACK DUAL-ANTENNA AIRBORNE RADAR'S GMTI WHEN THE ATENNA ERROR CHANGES PULSE TO PULSE
《Journal of Electronics(China)》2005年第3期248-254,共7页NingWei LiaoGuisheng 
This paper presents a joint method of Doppler Beam Sharpen (DBS) imaging and Signal Subspace Processing (SSP) to achieve Ground Moving Target Indication(GMTI) for along- track dual-antenna airborne radar. When the err...
关键词：Airborne radar Channel error Moving Target Indication (MTI) Signal Subspace Processing (SSP) 
A Hybrid Recognition System for Radar Targets
《Chinese Journal of Electronics》2003年第1期135-138,共4页LIYing 
In this paper,a hybrid method to classify range profiles based on the wavelet transform and an evolutionary neural network is presented.The whole recognition process consists of two stages.The first is concerned with ...
关键词：小波变换 进化神经网络 混合进化算法 雷达目标识别 
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