国家自然科学基金(60675002)

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Robust Precoding Schemes for Multi-User MISO-OFDM Downlink with Limited Time-Domain Feedback
《Tsinghua Science and Technology》2009年第6期725-731,共7页苏泳涛 张贤达 
Supported by the National Natural Science Foundation of China (No.60675002)
In multi-user multiple-input single-output orthogonal frequency-division multiplexing （MISO-OFDM） downlinks with limited feedback, both linear precoders （LP） and Tomlinson-Harashima precoders （THP） experience pe...
关键词：linear precoding Tomlinson-Harashima precoding （THP） multiple-input single-output （MISO） orthogonal frequency-division multiplexing （OFDM） 
Nonlinear Principal Component Analysis Using Strong Tracking Filter
《Tsinghua Science and Technology》2007年第6期652-657,共6页丁子哲 张贤达 朱孝龙 
Supported by the Basic Research Foundation of Tsinghua National Laboratory for Information Science and Technology (TNList) ;the National Natural Science Foundation of China (No. 60675002)
The paper analyzes the problem of blind source separation （BSS） based on the nonlinear principal component analysis （NPCA） criterion. An adaptive strong tracking filter （STF） based algorithm was developed, which...
关键词：nonlinear principal component analysis strong tracking filter recursive least-squares 
Gradient Search Non-Orthogonal Approximate Joint Diagonalization Algorithm
《Tsinghua Science and Technology》2007年第6期669-673,共5页李细林 张贤达 李培胜 
Supported by the Basic Research Foundation of Tsinghua National Laboratory for Information Science and Technology (TNList) ;the National Natural Science Foundation of China (No. 60675002)
The problem of approximate joint diagonalization of a set of matrices is instrumental in numerous statistical signal processing applications. This paper describes a relative gradient non-orthogonal approximate joint d...
关键词：approximate joint diagonalization gradient methods DECORRELATION STATISTICS adaptive signa processing 
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