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基于希尔伯特变换的振幅增益控制方法
刘玉萍1,2,3(), 李丽青1,2,3, 张宝金1,2,3()
An Amplitude gain control method based on Hilbert transform
Yu-Ping LIU1,2,3(), Li-Qing LI1,2,3, Bao-Jin ZHANG1,2,3()

图2. 包络AGC的实现过程
a—处理前地震记录;b—包络振幅;c—包络正常值分量;d—包络异常值分量;e—异常值分量加权提取;f—重构的包络振幅;g—包络AGC地震记录

Fig.2. The realization process of envelope AGC
a—the seismic record before processing;b—the evenlope amplitude;c—the evenlope normal component;d—the evenlope abnormal component;e—weighted extraction of abnormal component;f—reconstruction of evenlope amplitude;g—the seismic record of envelope AGC