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Generalized phase retrieval: Measurement number, matrix recovery and beyond 期刊论文
APPLIED AND COMPUTATIONAL HARMONIC ANALYSIS, 2019, 卷号: 47, 期号: 2, 页码: 423-446
作者:  Wang, Yang;  Xu, Zhiqiang
收藏  |  浏览/下载:162/0  |  提交时间:2020/01/10
Phase retrieval  Frames  Fusion frames  Fourier transform  Measurement number  Low rank matrix recovery  Bilinear form  Embedding  
On Generalizations of p-Sets and their Applications 期刊论文
NUMERICAL MATHEMATICS-THEORY METHODS AND APPLICATIONS, 2019, 卷号: 12, 期号: 2, 页码: 453-466
作者:  Zhou, Heng;  Xu, Zhiqiang
收藏  |  浏览/下载:161/0  |  提交时间:2019/03/05
p-set  deterministic sampling  numerical integral  exponential sum  
A Gradient-Enhanced l(1) Approach for the Recovery of Sparse Trigonometric Polynomials 期刊论文
COMMUNICATIONS IN COMPUTATIONAL PHYSICS, 2018, 卷号: 24, 期号: 1, 页码: 286-308
作者:  Xu, Zhiqiang;  Zhou, Tao
收藏  |  浏览/下载:144/0  |  提交时间:2019/03/05
Gradient-enhanced l(1) minimization  compressed sensing  sparse Fourier expansions  restricted isometry property  mutual incoherence  
The minimal measurement number for low-rank matrix recovery 期刊论文
APPLIED AND COMPUTATIONAL HARMONIC ANALYSIS, 2018, 卷号: 44, 期号: 2, 页码: 497-508
作者:  Xu, Zhiqiang
收藏  |  浏览/下载:136/0  |  提交时间:2018/07/30
Low-rank matrices  Phase retrieval  Determinant variety  
Phaseless Recovery Using the Gauss-Newton Method 期刊论文
IEEE TRANSACTIONS ON SIGNAL PROCESSING, 2017, 卷号: 65, 期号: 22, 页码: 5885-5896
作者:  Gao, Bing;  Xu, Zhiqiang
收藏  |  浏览/下载:146/0  |  提交时间:2018/07/30
Phaseless recovery  phase retrieval  Gauss-Newton method  quadratic convergence  
Robustness properties of dimensionality reduction with Gaussian random matrices 期刊论文
SCIENCE CHINA-MATHEMATICS, 2017, 卷号: 60, 期号: 10, 页码: 1753-1778
作者:  Han, Bin;  Xu, ZhiQiang
收藏  |  浏览/下载:124/0  |  提交时间:2018/07/30
phase retrieval  finite frames  sparse approximation  restricted isometry property  Johnson-Lindenstrauss lemma  
Improvement of the lower bound of the PCM quantization error for vectors in R-2 期刊论文
JOURNAL OF APPROXIMATION THEORY, 2017, 卷号: 215, 页码: 1-12
作者:  Zhou, Heng;  Xu, Zhiqiang
收藏  |  浏览/下载:110/0  |  提交时间:2018/07/30
Unit-norm tight frames  PCM quantization error  Bessel functions  
One-Bit Compressed Sensing by Greedy Algorithms 期刊论文
NUMERICAL MATHEMATICS-THEORY METHODS AND APPLICATIONS, 2016, 卷号: 9, 期号: 2, 页码: 169-184
作者:  Liu, Wenhui;  Gong, Da;  Xu, Zhiqiang
收藏  |  浏览/下载:96/0  |  提交时间:2018/07/30
Compressed sensing  sparse signals  greedy algorithm  
THE PERFORMANCE OF ORTHOGONAL MULTI-MATCHING PURSUIT UNDER THE RESTRICTED ISOMETRY PROPERTY 期刊论文
JOURNAL OF COMPUTATIONAL MATHEMATICS, 2015, 卷号: 33, 期号: 5, 页码: 495-516
作者:  Xu, Zhiqiang
收藏  |  浏览/下载:89/0  |  提交时间:2018/07/30
Sparse signals  Compressed sensing  Greedy algorithms