浅地表环境下ESPAC微动成像方法影响因素分析

杨浪邕航, 李红星

Factors influencing the application of ESPAC-based microtremor survey in shallow surface environments

YANG Lang-Yong-Hang, LI Hong-Xing

图6 不同采集时长的频散图对比 a—5 min采集时长;b—10 min采集时长;c—20 min采集时长;台站数量21,间距2 m;白色散点为理论频散曲线

Fig.6 Comparison of dispersion diagrams with different acquisition durations a—5 minutes collection time;b—10 minutes collection time;c—20 minutes collection time;number of stations 21,spacing of 2 meters;the white scatter represents the theoretical dispersion curve