包括数据分析、绘图等等,有较好的参考价值，构成不同频率的调制信号，仿真图是速度、距离、幅度三维图像，主要是基于mtlab的程序，多元数据分析的主分量分析投影。- Data analysis, plotting, etc., There are good reference value, Constituting the modulated signals of different frequencies, FIG simulation speed, distance, amplitude three-dimensional image, Mainly based on the mtlab procedures, Principal component analysis of multivariate data analysis projection.