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7 不同子波主频下的频散图对比 a—主频1~10 Hz;b—主频1~15 Hz;c—主频1~20 Hz;台站数量21,间距2 m;白色散点为理论频散曲线

Fig.7 Comparison of dispersion diagrams under different wavelet dominant frequencies a—dominant frequency 1~10 Hz;b—dominant frequency 1~15 Hz;c—dominant frequency 1~20 Hz;number of stations 21,spacing of 2 meters;the white scatter represents the theoretical dispersion curve