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浏览/检索结果: 共4条，第1-4条 帮助 已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择发表日期升序发表日期降序提交时间升序提交时间降序题名升序题名降序作者升序作者降序 Time-frequency analysis of PD-induced UHF signal in GIS and feature extraction using invariant moments 期刊论文 IET SCIENCE MEASUREMENT & TECHNOLOGY, 2018, 卷号: 12, 页码: 169-175 作者:  Li, Xi;  Wang, Xiaohua;  Xie, Dingli;  Wang, Xinqiao;  Yang, Aijun 收藏  |  浏览/下载：11/0  |  提交时间：2019/11/26 partial discharge detection  feature extraction  short-time Fourier transform method  signal detection  Time-frequency analysis  UHF measurement  partial discharge measurement  UHF detectors  PD-induced UHF signal acquisition  voltage 252 kV  UHF signal processing  gas insulated switchgear  time-frequency analysis  internal UHF sensor  L-shaped GIS  UHF signal classification  PD-induced UHF signal detection  PD pattern classification  Hu invariant moment  energy density distribution extraction  gas-insulated switchgear  support vector machine classifier  Fourier transforms  signal classification  ultrahigh-frequency method  propagation characteristics analysis  support vector machines   UHF Signal Processing and Pattern Recognition of Partial Discharge in Gas-Insulated Switchgear Using Chromatic Methodology 期刊论文 SENSORS, 2017, 卷号: 17 作者:  Wang, Xiaohua;  Li, Xi;  Rong, Mingzhe;  Xie, Dingli;  Ding, Dan 收藏  |  浏览/下载：3/0  |  提交时间：2019/11/26 pattern recognition  gas-insulated switchgear (GIS)  chromatic  partial discharge (PD)  propagation characteristics  ultra-high frequency (UHF)   Relationship Between Time-frequency Representation of PD-induced UHF Signal and PD Current Pulse 会议论文 作者:  Li, Xi;  Wang, Xiaohua;  Rong, Mingzhe;  Xie, Dingli;  Fu, Yuwei 收藏  |  浏览/下载：6/0  |  提交时间：2019/12/02 current pulse  FDTD  partial discharge  time-frequency representation  UHF   Comparison of Different Time-frequency Analysis Methods for Sparse Representation of PD-induced UHF Signal 会议论文 作者:  Li, Xi;  Wang, Xiaohua;  Rong, Mingzhe;  Xie, Dingli;  Yin, Nan 收藏  |  浏览/下载：8/0  |  提交时间：2019/11/26 Partial discharge (PD)  sparse representation  time-frequency representation  ultra-high frequency (UHF)