摘要
通过小波包分析滤出超声信号白噪声,提高了时延估计精度,再采集多组样本进行定位,计算每组样本的定位结果,利用各组样本的定位结果逼近真实放电位置。
The white noise is filtered out by wavelet packet analysis to raise the accuracy of time delay estimation, and the collect multiple sets of samples for location. After PD location results of every sample are calculated, a multi-sample approximate method to get the final result is proposed to raise location accuracy.
作者
陈江
陈俊梁
CHEN Jiang;CHEN Jun-liang(State Grid Wuhan Power Supply Company,Wuhan 430061,China;School of International Communication Three Gorges University,Yichang 443002,China)
出处
《变压器》
北大核心
2019年第10期52-57,共6页
Transformer
