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浏览/检索结果: 共7条，第1-7条 帮助 限定条件 专题：兰州理工大学    第一署名单位    第一作者单位    通讯作者单位     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Improved Measurement Matrix Construction with Pseudo-Random Sequence in Compressed Sensing 期刊论文 WIRELESS PERSONAL COMMUNICATIONS, 2022, 卷号: 123, 期号: 4, 页码: 3003-3024 作者:  He, Jiai;  Wang, Tong;  Wang, Chanfei;  Chen, Yanjiao 收藏  |  浏览/下载：18/0  |  提交时间：2022/03/01 Compressed sensing  Measurement matrix construction  Pseudorandom  Refactoring performance   Multi-format speech BioHashing based on spectrogram 期刊论文 Multimedia Tools and Applications, 2020, 卷号: 79, 期号: 33-34, 页码: 24889-24909 作者:  Huang, Yi-bo;  Wang, Yong;  Zhang, Qiu-yu;  Zhang, Wei-zhao;  Fan, Man-hong 收藏  |  浏览/下载：11/0  |  提交时间：2020/11/14 Authentication  Chaotic systems  Discrete cosine transforms  Eigenvalues and eigenfunctions  Factorization  Spectrographs  Authentication algorithm  Nonnegative matrix factorization  Real time performance  Security problems  Speech perception  Strong robustness  Two dimensional discrete cosine transform  Unidirectionality   Research on a Location Method for Complex Voltage Sag Sources Based on Random Matrix Theory 期刊论文 Mathematical Problems in Engineering, 2020, 卷号: 2020 作者:  Wu, Lizhen;  Zhang, Yongnian;  Hao, Xiaohong;  Chen, Wei 收藏  |  浏览/下载：19/0  |  提交时间：2020/11/14 Complex networks  Electric fault currents  Location  Random variables  Topology  Active power methods  Augmented matrices  Data-driven approach  Disturbance signals  Model-based method  Random matrix theory  Statistical characteristics  Topology information   A Method of Reconstruction of Compressed Measuring for Mechanical Vibration Signals Based on K-SVD Dictionary-training Algorithm Sparse Representation 期刊论文 Jixie Gongcheng Xuebao/Journal of Mechanical Engineering, 2018, 卷号: 54, 期号: 7, 页码: 97-106 作者:  Guo, Junfeng;  Shi, Bin;  Wei, Xingchun;  Li, Haiyan;  Wang, Zhiming 收藏  |  浏览/下载：8/0  |  提交时间：2020/11/14 Compressed sensing  Digital storage  Signal reconstruction  Signal sampling  Singular value decomposition  Dictionary trainings  Gaussian random matrices  Mechanical vibration signals  Nyquist sampling theorem  Orthogonal matching pursuit  Over-complete dictionaries  Sparse representation  Vibration signal   Method of Compressed Sensing for Mechanical Vibration Signals Based on Double Sparse Dictionary Model 期刊论文 Jixie Gongcheng Xuebao/Journal of Mechanical Engineering, 2018, 卷号: 54, 期号: 6, 页码: 118-127 作者:  Guo, Junfeng;  Shi, Bin;  Lei, Chunli;  Wei, Xingchun;  Li, Haiyan 收藏  |  浏览/下载：8/0  |  提交时间：2020/11/14 Compressed sensing  Condition monitoring  Data communication equipment  Digital storage  Signal reconstruction  Signal sampling  Singular value decomposition  Gaussian random matrices  Mechanical vibration signals  Nyquist sampling theorem  Orthogonal matching pursuit  Over-complete dictionaries  Sparse dictionaries  Sparse representation  Vibration signal   Adaptability Analysis of Common Measurement Matrices for Mechanical Vibration Signal 会议论文 作者:  Guo Junfeng;  Shi Jianxu;  Lei Chunli;  Wei Xingchun 收藏  |  浏览/下载：5/0  |  提交时间：2019/11/15 mechanical vibration signal  comprssed sensing  measurement matrices  sparse decomposition  reconstruction algorithm   An improved KPCA method of fault detection based on wavelet denoising 会议论文 作者:  Zhao, Xiaoqiang;  Li, Zhanming 收藏  |  浏览/下载：8/0  |  提交时间：2020/11/15 Data handling  Principal component analysis  Wavelet analysis  Kernel matrices  Kernel principal component analyses (KPCA)  Random disturbances  Sample sets  Tennessee Eastman  Tennessee Eastman process  Wavelet denoising  Wavelet denoising method