PSEUDOINVERSE

作品数:15被引量:16H指数:3
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相关领域:自动化与计算机技术理学更多>>
相关期刊:《Science Bulletin》《Journal of Electronics(China)》《Science China(Technological Sciences)》《Journal of Computational Mathematics》更多>>
相关基金:国家自然科学基金国家教育部博士点基金中国博士后科学基金国家高技术研究发展计划更多>>
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Unsupervised pseudoinverse hashing learning model for rare astronomical object retrieval
《Science China(Technological Sciences)》2022年第6期1338-1348,共11页WANG Ke GUO Ping LUO ALi XU MingLiang 
supported by the Postdoctoral Science Foundation of China(Grant No.2020M682348);the Key Research Foundation of Henan Higher Education Institutions(Grant No.21A520002);the National Key Research and Development Program of China(Grant No.2018AAA0100203);the Joint Research Fund in Astronomy(Grant No.U1531242)under a cooperative agreement between the National Natural Science Foundation of China and the Chinese Academy of Sciences(CAS)。
Searching for rare astronomical objects based on spectral data is similar to finding needles in a haystack owing to their rarity and the immense data volume gathered from large astronomical spectroscopic surveys.In th...
关键词:compact features unsupervised hashing object retrieval pseudoinverse learning 
Radio frequency interference mitigation using pseudoinverse learning autoencoders被引量:1
《Research in Astronomy and Astrophysics》2020年第8期121-128,共8页Hong-Feng Wang Mao Yuan Qian Yin Ping Guo Wei-Wei Zhu Di Li Si-Bo Feng 
the National Natural Science Foundation of China(NSFC,Grant Nos.11988101,61472043,11743002,11873067,11690024,11673005 and 11725313);the Outstanding Youth Fund Project of Natural Science Fund of Shandong Province(Grant No.ZR2019YQ03);supported by the Joint Research Fund in Astronomy(U1531242)under cooperative agreement between the NSFC and the Chinese Academy of Sciences(CAS)supported by the Chinese Academy of Science Pioneer Hundred Talents Program;the Strategic Priority Research Program of the Chinese Academy of Sciences(Grant No.XDB23000000)。
Radio frequency interference(RFI)is an important challenge in radio astronomy.RFI comes from various sources and increasingly impacts astronomical observation as telescopes become more sensitive.In this study,we propo...
关键词:pulsars:general methods:numerical methods:data analysis 
A Modified Direct Allocation Algorithm with Application to Redundant Actuators被引量:6
《Chinese Journal of Aeronautics》2011年第3期299-308,共10页TANG Shengyong ZHANG Shijie ZHANG Yulin 
National Natural Science Foundation of China (NSFC60704020); Changjiang Scholars and Innovative Research Team of China (PCSIRT0520); Research Fund for the Doctoral Program of Higher Education of China (20070213068)
Control allocation considers the problem of controlling instruction distribution for control systems with multiple and redundant actuators. This paper focuses on the direct allocation method, making the time requireme...
关键词:control allocation direct allocation pseudoinverse redistribution linear programming sub-gradient optimization attainable moment set 
Carrier Frequency Offset Compensation for an Interleaved OFDMA Uplink
《Tsinghua Science and Technology》2008年第1期1-8,共8页范达 曹志刚 
the Specialized Research Fund for the Doctoral Program of Higher Education,Ministry of Education,China (No. 20030003039)
This paper reports an investigation of the carrier frequency offset (CFO) compensation in the uplink of the orthogonal frequency division multiple access (OFDMA) system with interleaved subcarrier assignment. The ...
关键词:orthogonal frequency division multiplexing access (OFDMA) carrier frequency offset (CFO) circular convolution PSEUDOINVERSE 
Generalized Galerkin Approximations for Pseudoinverses and Operator Equations of the First Kind被引量:1
《Wuhan University Journal of Natural Sciences》2006年第3期486-492,共7页DU Nailin 
Supported by the Wuhan University Teaching Re-search Foundation (TS2004030)
The main result of this paper is a basic theorem about generalized Galerkin approximations for pseudoinverses and operator equations of the first kind, which is presented as follows :Let H be a Hilbert space, { Hn } ...
关键词:Galerkin approximation PSEUDOINVERSE CONVERGENCE 
ON STABLE PERTURBATIONS OF THE STIFFLY WEIGHTED PSEUDOINVERSE AND WEIGHTED LEAST SQUARES PROBLEM被引量:5
《Journal of Computational Mathematics》2005年第5期527-536,共10页Wei 
In this paper we study perturbations of the stiffly weighted pseudoinverse (W^1/2 A)^+W^1/2 and the related stiffly weighted least squares problem, where both the matrices A and W are given with W positive diagonal...
关键词:Stiffly Weighted pseudoinverse Weighted least squares PERTURBATION STABILITY 
BALANCE ROUTING TRAFFIC IN GENERALIZED SHUFFLE-EXCHANGE NETWORK
《Journal of Electronics(China)》2005年第4期345-350,共6页ChenZhen LiuZengji QiuZhiliang ChenPeng TaoXiaoming 
Supported by the National High-Tech Programs(No.2002AA103062, No.2002AA121061 and No.2003AA103520) the Huawei Technologies Co. under contract number YBCN2002001.
A methodology is proposed to handle problem that under equiproble address of packet traffic at the input port, Generalized Shuffle-Exchange Network (GSEN) routes traffic unevenly because of the unbalanced routing tags...
关键词:Multistage Interconnection Network (MIN) Generalized Shuffle-Exchange Network (GSEN) Tag-based routing algorithm Moore-Penrose pseudoinverse Linear system Matrix analysis 
RELATIONSHIP BETWEEN THE STIFFLY WEIGHTEDPSEUDOINVERSE AND MULTI-LEVEL CONSTRAINED PSEUDOINVERSE被引量:4
《Journal of Computational Mathematics》2004年第3期427-436,共10页Mu-shengWei 
It is known that for a given matrix A of rank r, and a set D of positive diagonal matrices, supw∈D‖(W^1/2A)+W^1/2‖ = (miniσ+(A^(i))^-1, in which (A^(i) is a submatrix of A formed with r = (rank(A)) rows of A, suc...
A Principal Theorem of Generalized Galerkin's Schemes被引量:1
《Wuhan University Journal of Natural Sciences》2002年第2期137-138,共2页Du Nai-lin 1, Du Nai-xia 2 1. School of Mathematics and Statistics, Wuhan University, Wuhan 430072, Hubei China 2. Hebei Institute of Architectural Science and Technology, Handan 056038, Hebei China 
In the present paper, the authors announce a newlyproved theorem of theirs. This theorem is of principal significance to numerical computation of solutions of variational equations.
关键词:variational equation generalized Galerkin's scheme PSEUDOINVERSE 
A Principal Theorem of Normal Discretization Schemes for Operator Equations of the First Kind
《Wuhan University Journal of Natural Sciences》2001年第4期767-768,共2页Du Nai lin 1, Wang Hannah 2 1.School of Mathematics and Statistics, Wuhan University, Wuhan 430072, China 2. School of Foreign Languages and Literature,Wuhan University,Wuhan 430072,China 
The authors announce a newly-proved theorem of theirs. This theorem is of principal significance to numerical computation of operator equations of the first kind.
关键词:operator equation of the first kind normal discretization scheme pure pseudoinverse 
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