被动源瑞利波两道法提取频散曲线的质量控制方法

邵广周, 岳亮, 李远林, 吴华

A study of quality control of extracting dispersion curves by two-channel method of passive Rayleigh waves

Guang-Zhou SHAO, Liang YUE, Yuan-Lin LI, Hua WU

图7 时间域归一化处理结果 a—滤波后0~30s的地震信号;b—滤波后信号频谱;c—“one-bit”法处理后的地震信号;d—“one-bit”法处理后的信号频谱;e—滑动绝对平均法处理后的地震信号;f—滑动绝对平均法处理后的信号频谱

Fig.7 Processing results of time domain normalization a—0~30 s seismic signal after filtering;b—filtered signal spectrum;c—seismic signal after "one-bit" method processed;d—signal spectrum after "one-bit" method processed;e—seismic signal after moving absolute average method processed;f—signal spectrum after moving absolute average method processed