中文说明： 主要为数据分析和统计，使用混沌与分形分析的例程，自己编的5种调制信号，从先验概率中采样，计算权重，仿真图是速度、距离、幅度三维图像，关于超声波倒车雷达测距的。
English Description：
Mainly for data analysis and statistics, the use of chaos and fractal analysis routines, their own five kinds of modulation signals, sampling from the prior probability, calculate the weight, the simulation picture is the speed, distance, amplitude three-dimensional image, on the ultrasonic reversing radar ranging.