In seismic inversion, the inverse matrix is mostly huge singular, the ordinary methods cannot be directly used to solve the equation, and the SVD technique must be used.

在地震波阻抗反演中，其反演矩阵多为接近奇异的大型矩阵，不能用一般方法直接求解，而要用奇异值分解(SVD)方法解方程。

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A new technique of matrix inversion with initial global sampling was developed to seek a global solution.

讨论了全局选择震源初始位置下的矩阵反演求取全局解的问题。

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