funded by the Basic Research and Strategic Reserve Technology Research Fund Project of CNPC (2019D-500803);the national oil and gas project (2016zx05007-006)。
supported by the National Natural Science Foundation of China(No.41374123)
At present, near-surface shear wave velocities are mainly calculated through Rayleigh wave dispersion-curve inversions in engineering surface investigations, but the required calculations pose a highly nonlinear globa...