中文说明： 一种噪声辅助数据分析方法,关于超声波倒车雷达测距的，包含收发两个客户端程序，外文资料里面的源代码，FIR 底通和带通滤波器和IIR 底通和带通滤波器，基于chebyshev的水声信号分析。
English Description：
A noise-aided data analysis methods, ultrasonic reverse radar ranging, and includes two client programs send and receive, foreign materials inside the source code, end of FIR-pass and band-pass filter and IIR-pass and band-pass filter at the end of and analysis of underwater acoustic signals based on Chebyshev.