The relation between the correlation function of intensity variation and surface roughness parameter is derived through analyzing the second-order statistical properties of the speckle image.
分析此散斑图像的二阶统计特性，导出了强度变化的相关函数和表面粗糙度参数之间的关系。
Exact solution of a statistical model for laser beam scattering from diffusing surface has been obtained, the comparison with the approximation of center of gravity has been made.
本文对激光束在漫射表面上散射的一类统计模型给出了严格解，并与“质心近似”所得结果作了比较。
The progressive failure is defined as the failure area develops in space and continually along the potential slide carved surface in statistical even soil.
渐近性破坏定义为在统计均质土体中，沿着潜在滑动面破坏区空间地和连续地扩展。
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