一种可靠的强噪声三分量微地震数据初至拾取方法

程一鸣, 李怀良, 庹先国, 王耀彬, 王亚娟, 沈统

A reliable first arrival picking method for high-noise three component microseismic data

Yi-Ming CHENG, Huai-Liang LI, Xian-Guo TUO, Yao-Bin WANG, Ya-Juan WANG, Tong SHEN

图1 合成地震数据的不同AIC值 a—随机噪声占5%;b—随机噪声占60%;P波的主频为100 Hz,采样间隔为0.25 ms

Fig.1 Different AIC values for synthetic microseismic data a—random noise account for 5%;b—random noise account for 60%;principal frequency of P-wave is 100 Hz,sample interval is 0.25 ms