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浏览/检索结果: 共3条，第1-3条 帮助 限定条件 发表日期：2018     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 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：9/0  |  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   What Large Sample Size Is Sufficient for Hydrologic Frequency Analysis?-A Rational Argument for a 30-Year Hydrologic Sample Size in Water Resources Management 期刊论文 2018, 卷号: 10 作者:  Li, Hongyan;  Sun, Jiaqi;  Zhang, Hongbo;  Zhang, Jianfeng;  Jung, Kwnasue 收藏  |  浏览/下载：3/0  |  提交时间：2019/12/20 hydrologic frequency calculation  sample size  sampling theorem  solar activity period  hypothesis verification