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5 不同台站布置情况的频散图对比 a—台站数量11,间距2 m;b—台站数量21,间距2 m;c—台站数量31,间距2 m;d—台站数量11,间距4 m;e—台站数量16,间距4 m;f—台站数量16,间距2 m;白色散点为理论频散曲线

Fig.5 Comparison of dispersion diagrams of different station layouts a—number of stations 11,spacing of 2 meters;b—number of stations 21,spacing of 2 meters;c—number of stations 31,spacing of 2 meters;d—number of stations 11,spacing of 4 meters;e—number of stations 16, spacing of 4 meters;f—number of stations 16, spacing of 2 meters;the white scatter represents the theoretical dispersion curve