中文说明： 关于超声波倒车雷达测距的，用MATLAB实现的压缩传感，模式识别中的bayes判别分析算法，主同步信号PSS在时域上的相关仿真，单径或多径瑞利衰落信道仿真，FMCW调频连续波雷达的测距测角。
English Description：
On ultrasonic reversing radar ranging, using MATLAB to achieve the compressed sensing, the pattern recognition of Bayes discriminant analysis algorithm, PSS main synchronizing signal in the time domain simulation, single path or multipath Rayleigh fading channel simulation, FMCW frequency modulated continuous wave radar ranging and angle measurement.