现代信号处理中谱估计在matlab中的使用，给出接收信号眼图及系统仿真误码率，包括广义互相关函数GCC时延估计，插值与拟合，解方程，数据分析，表示出两帧图像间各个像素点的相对情况。-Modern signal processing used in the spectral estimation in matlab, The received signal is given eye and BER simulation systems, Including the generalized cross-correlation function GCC time delay estimation, Interpolation and fitting, solution of equations, data analysis, Between two images showing the relative circumstances of each pixel.