基于贝叶斯理论面波频散曲线随机反演

刘辉, 李静, 曾昭发, 王天琪

Stochastic inversion of surface wave dispersion curves based on Bayesian theory

LIU Hui, LI Jing, ZENG Zhao-Fa, WANG Tian-Qi

图4 4层vs递增模型基阶频散曲线反演 a—无约束反演结果;b—有先验约束反演结果;c—无约束反演的最佳模型与实际模型频散曲线;d—有先验约束反演的最佳模型与实际模型频散曲线;e—迭代误差曲线

Fig.4 Fundamental dispersion curve inversion of four-layer vs increasing model a—inversion results without constraints;b—inversion results with prior constraints;c—dispersion curves of the best fitting model and true model for unconstrained inversion;d—dispersion curves of the best fitting model and the true model with prior constraint inversion;e—misfit iteration curve