比较了软阈值，硬阈值及当今各种阈值计算方法,仿真图是速度、距离、幅度三维图像，gmcalab 快速广义的形态分量分析。- Comparison of soft threshold and hard threshold and today various threshold calculation method, FIG simulation speed, distance, amplitude three-dimensional image, gmcalab fast generalized f