航空电磁时间域数据工频干扰研究与去除
黄威, 肖都, 贲放, 李军峰, 李飞, 胥值礼

Study and removal of power frequency interference in time-domain airborne electromagnetic data
HUANG Wei, XIAO Du, BEN Fang, LI Jun-Feng, LI Fei, XU Zhi-Li
图6 陷波滤波器去噪前后幅值特征
Fig.6 The amplitude-frequency characteristics of notch filters