基于最小二乘法和最小均方误差法的信道估计，包括详细的仿真结果，如误码率和均方误差。-Based on the least squares and minimum mean square error of channel estimation methods, including detailed simulation results, such as error rate and MSE.

本程序具体描述了利用最小二乘算法对混合信号进行AR参数和其功率谱估计。-This procedure describes the use of least square algorithm for mixed signal AR parameter and its power spectrum estimation.