【摘要】 选取上海佘山地震台阵16个子台记录的远震波形数据，采用时间域反褶积方法计算不同频率的P波接收函数，采用H-κ叠加搜索方法获取每个子台下方地壳厚度和v_P/v_S波速比值。研究结果显示：整个台阵下方地壳厚度和波速比值存在弱横向不均一性，其中上海佘山地区平均莫霍面深度较浅，约26.9 km；v_P/v_S比值较高，约1.87。采用最小二乘法联合多频率P波接收函数和瑞利频散曲线，反演上海佘山地震台阵下方地壳S波速度结构，结果显示，中地壳存在S波低速结构，与前人研究结果相一致。更多还原

【Abstract】 In this paper,the teleseismic waveform data recorded at 16 sub-stations of the Sheshan Seismic Array in Shanghai are selected,and the time-domain deconvolution method is used to calculate the P-wave receiver functions at different frequencies,and the H-κ stacking method is used to obtain the thickness of the crust beneath each sub-station and the v_P/v_S ratio.The results show that there are weak lateral inhomogeneities in crustal thickness and v_P/v_S ratio beneath the whole array,with the average Moho surface depth in the Sheshan region of Shanghai being thin,about 26.9 km,and the v_P/v_S ratio being high,about 1.87.The inversion of the S-wave velocity structure of the crust beneath the Sheshan Seismic Array is performed by using the least-square method in combination with the multi-frequency P-wave receiver functions and Rayleigh dispersion curves,and the results show that there is an S-wave low-velocity structure in the middle crust,which is consistent with the results of previous studies.更多还原