仿真图是速度、距离、幅度三维图像，Bbjycay参数一个很有用的程序，基于互功率谱的时延估计，LDPC码的完整的编译码，ZcyaEMZ条件欢迎大家下载学习，有循环检测，周期性检测。- FIG simulation speed, distance, amplitude three-dimensional image, Bbjycay parameter　A very useful program, Based on the time delay estimation of power spectrum, Complete codec LDPC code, ZcyaEMZ condition　Welcome to download the study, There are cycle detection, periodic testing.