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EIGENSPACE: 作品数：19被引量：11H指数：2; 导出分析报告; 相关领域：电子电信更多>>; 相关作者：赵安邦赵燕玲曾文珺陶峻戚飞虎更多>>; 相关机构：哈尔滨工程大学工业和信息化部西藏大学中国船舶工业系统工程研究院更多>>; 相关期刊：《Science China Mathematics》《计算机应用与软件》《Science China(Information Sciences)》《哈尔滨工程大学学报》更多>>; 相关基金：国家自然科学基金美国国家科学基金国家教育部博士点基金北京市自然科学基金更多>>

Modified multiple-component scattering power decomposition for PolSAR data based on eigenspace of coherency matrix: 《红外与毫米波学报》2024年第4期572-581,共10页ZHANG Shuang WANG Lu WANG Wen-Qing; Supported by the National Natural Science Foundation of China(62376214);the Natural Science Basic Research Program of Shaanxi(2023-JC-YB-533);Foundation of Ministry of Education Key Lab.of Cognitive Radio and Information Processing(Guilin University of Electronic Technology)(CRKL200203)。; A modified multiple-component scattering power decomposition for analyzing polarimetric synthetic aperture radar(PolSAR)data is proposed.The modified decomposition involves two distinct steps.Firstly,ei⁃genvectors of ...; 关键词：PolSAR data model-based decomposition eigenvalue decomposition scattering power

Structural uncertainty quantification of Reynolds-Averaged Navier–Stokes closures for various shock-wave/boundary layer interaction flows: 《Chinese Journal of Aeronautics》2024年第3期34-48,共15页Fanzhi ZENG Tianxin ZHANG Denggao TANG Jinping LI Chao YAN; supported by the National Natural Science Foundation of China(Nos.92252201 and 11721202)。; Accurate prediction of Shock-Wave/Boundary Layer Interaction(SWBLI)flows has been a persistent challenge for linear eddy viscosity models.A major limitation lies in the isotropic representation of the Reynolds stress,...; 关键词：Shock-wave/boundary layer interaction(SWBLI) Turbulence models Uncertainty analysis Eigenspace perturbation Anisotropy

On optimization of cooperative MIMO for underlaid secrecy Industrial Internet of Things: 《Frontiers of Information Technology & Electronic Engineering》2023年第2期259-274,共16页Xinyao WANG Xuyan BAO Yuzhen HUANG Zhong ZHENG Zesong FEI; Z.ZHENG is supported by the National Natural Science Foundation of China(No.61901033);the Natural Science Foundation of Beijing(No.L212031);X.Y.BAO is supported by the China Academy of Information and Communications Technology,Y.Z.HUANG is supported by the National Natural Science Foundation of China(No.61971474);the Beijing Nova Program(No.Z201100006820121)。; In this paper,physical layer security techniques are investigated for cooperative multi-input multi-output(C-MIMO),which operates as an underlaid cognitive radio system that coexists with a primary user(PU).The underl...; 关键词：Cognitive radio network Physical layer security Cooperative multi-input multi-output(C-MIMO) Eigenspace-adaptive precoding Difference convex programming

Effect of Weather on the Spread of COVID-19 Using Eigenspace Decomposition: 《Computers, Materials & Continua》2021年第12期3047-3063,共17页Manar A.Alqudah Thabet Abdeljawad Anwar Zeb Izaz Ullah Khan Fatma Bozkurt; Since the end of 2019,the world has suffered from a pandemic of the disease called COVID-19.WHO reports show approximately 113M confirmed cases of infection and 2.5 M deaths.All nations are affected by this nightmare ...; 关键词：Novel coronavirus weather effects eigenspace decomposition COVID-19

矢量水听器改进高分辨Eigenspace算法被引量：5: 《哈尔滨工程大学学报》2020年第10期1471-1476,1552,共7页惠娟郭嘉宾宋明翰张晓亮李江乔唐开宇赵安邦; 水声对抗技术国防科技重点实验室开放基金项目(SSDKKFJJ-2018-02-02);水声技术重点实验室稳定支持项目(2020);54所新技术研究高校合作项目课题;声呐技术重点实验室基金项目(614210902011906);国防基础加强计划技术领域基金项目(2020JCJQJJ126).; 针对传统高分辨方位谱估计算法在水声低信噪比环境下性能较差,且对相干源的方位估计性能显著下降的问题,本文在Eigenspace算法的基础上,提出了基于声矢量阵声压振速联合处理的Eigenspace-Wiener算法和空间平滑的Eigenspace-Wiener算法...; 关键词：矢量水听器维纳滤波空间平滑 Eigenspace算法声压振速联合处理方位估计高分辨相干

Seismic Data Quality Control and Interpolation Using Principal Component Analysis: 《International Journal of Geosciences》2019年第10期950-966,共17页Qingmou Li Sonya A. Dehler; Commonly, seismic data processing procedures, such as stacking and prestack migration, require the ability to detect bad traces/shots and restore or replace them by interpolation, particularly when the seismic observa...; 关键词：SEISMIC QUALITY Control SEISMIC INTERPOLATION EIGENSPACE Principal COMPONENT Analysis

On Monotone Eigenvectors of a Max-<i>T </i>Fuzzy Matrix: 《Journal of Applied Mathematics and Physics》2018年第5期1076-1085,共10页Qing Wang Nan Qin Zixuan Yang Lifen Sun Liangjun Peng Zhudeng Wang; The eigenvectors of a fuzzy matrix correspond to steady states of a complex discrete-events system, characterized by the given transition matrix and fuzzy state vectors. The descriptions of the eigenspace for matrices...; 关键词：Fuzzy Matrix Triangular Norm Max-T Algebra EIGENSPACE MONOTONE Eigenvector

Voice conversion using structured Gaussian mixture model in cepstrum eigenspace被引量：2: 《Chinese Journal of Acoustics》2015年第3期325-336,共12页LI Yangchun YU Yibiao; supported by the Natural Science Foundation of China(61271360);the Application Fundamental Research Project of Suzhou(SYG201230); A new methodology of voice conversion in cepstrum eigenspace based on structured Gaussian mixture model is proposed for non-parallel corpora without joint training. For each speaker, the cepstrum features of speech ar...; 关键词：LPCC Voice conversion using structured Gaussian mixture model in cepstrum eigenspace ES GMM

Maximization of the sum of the trace ratio on the Stiefel manifold, II: Computation被引量：1: 《Science China Mathematics》2015年第7期1549-1566,共18页ZHANG LeiHong LI RenCang; Acknowledgements The first author was supported by National Natural Science Foundation of China(Grant Nos.11101257 and 11371102);the Basic Academic Discipline Program,the 11th Five Year Plan of 211 Project for Shanghai University of Finance and Economics;supported by National Science Foundation of USA(Grant Nos.1115834and 1317330);a Research Gift Grant from Intel Corporation; The necessary condition established in Part I of this paper for the global maximizers of the maximization problem max V tr（VTAV）/tr（VTBV）＋tr（VTCV）over the Stiefel manifold{V∈Rm×l ｜VTV=Il}（l〈m）,naturally l...; 关键词：trace ratio Rayleigh quotient Stiefel manifold nonlinear eigenvalue problem optimality condi-tion self-consistent-field iteration EIGENSPACE

Maximization of the sum of the trace ratio on the Stiefel manifold, I: Theory被引量：1: 《Science China Mathematics》2014年第12期2495-2508,共14页ZHANG LeiHong LI RenCang; supported by National Natural Science Foundation of China(Grant Nos.11101257 and 11371102);the Basic Academic Discipline Program;the 11th Five Year Plan of 211 Project for Shanghai University of Finance and Economics;a visiting scholar at the Department of Mathematics,University of Texas at Arlington from February 2013 toJanuary 2014;supported by National Science Foundation of USA(Grant Nos.1115834and 1317330);a Research Gift Grant from Intel Corporation; We are concerned with the maximization of tr（V T AV）/tr（V T BV）＋tr（V T CV） over the Stiefel manifold {V ∈ R m×l ｜ V T V = Il} （l 〈 m）, where B is a given symmetric and positive definite matrix, A and C a...; 关键词：trace ratio Rayleigh quotient Stiefel manifold nonlinear eigenvalue problem optimality condition EIGENSPACE

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