基于正余弦算法的瑞利波频散曲线反演

付宇, 艾寒冰, 姚振岸, 梅竹虚, 苏可嘉

Inversion of the Rayleigh wave dispersion curves based on the sine-cosine algorithm

FU Yu, AI Han-Bing, YAO Zhen-An, MEI Zhu-Xu, SU Ke-Jia

图10 怀俄明地区瑞利波相速度反演结果 a—反演所得频散曲线;b—最小目标函数值随迭代次数变化情况;c—测井数据与反演横波速度剖面对比

Fig.10 Inversion results in Wyoming region a—inverted response compared with the original one;b—the minimum value of the objective function changes with the number of iterations;c—comparison of the logging data and the inverted shear-wave velocity profile