基于数字递归陷波的多通道瞬变电磁法周期噪声去除研究
张文伟, 底青云, 耿启立, 雷达, 王中兴, 缪佳佳

The removal of MTEM periodic noise based on digital recursive notching
Wen-Wei ZHANG, Qing-Yun DI, Qi-Li GENG, Da LEI, Zhong-Xin WANG, Jia-Jia MIAO
图3 数字递归陷波器的频谱
Fig.3 Spectrum of digital recursive notcher