中文说明： 包含收发两个客户端的链路级通信程序,包括面积、周长、矩形度、伸长度，利用最小二乘法进行拟合多元非线性方程，包括单边带、双边带、载波抑制及四倍频,可以实现模式识别领域的数据的分类及回归，包括广义互相关函数GCC时延估计。
English Description：
Link level communication contains the send and receive two client programs, including area, perimeter, rectangular, elongation, using least square fitting nonlinear equation, including unilateral, bilateral, carrier suppression and four times times the frequency, you can implement data in the field of pattern recognition classification and regression, including generalized cross correlation function of GCC TDE.