基于双小波变换的抗干扰电压暂降检测方法研究
许丹,黄利军,杨校辉,李献伟,王毅,李博

Study of Voltage Sag Detection Method Based on Double Wavelet with Anti-Interference Feature
Xu Dan,Huang Lijun,Yang Xiaohui,Li Xianwei,Wang Yi,Li Bo
图9 电压暂降信号的四层小波分解
Fig.9 The four-layer DWT of voltage sag signal