Research on conducted EMI noise diagnosis method based on Infomax-WT algorithm
Baitong Song, Wu Zhang, Zhou Chen, Hao Ma, Yakang Pei · Academic Journal of Engineering and Technology Science · 2020
In this paper, a diagnostic method of conducted EMI noise based on the Infomax-WT algorithm is proposed. Using collected conductive EMI noise samples, several independent noise signals are separated by Infomax. Each noise signal is subjected to wavelet transform to obtain the time-frequency diagram of each noise signal. The noise source is determined according to the frequency characteristic obtained by the time-frequency chart.