有较好的参考价值，包括广义互相关函数GCC时延估计，多元数据分析的主分量分析投影，正确率可以达到98％，包含优化类的几个简单示例程序，仿真图是速度、距离、幅度三维图像。-There are good reference value, Including the generalized cross-correlation function GCC time delay estimation, Principal component analysis of multivariate data analysis projection, Accuracy can reach 98 , Optimization class contains several simple sample programs, FIG simulation speed, distance, amplitude three-dimensional image.