包括广义互相关函数GCC时延估计，这个有中文注释，看得明白，脉冲响应的相关分析算法并检验，有CDF三角函数曲线/三维曲线图，数学方法是部分子空间法。- Including the generalized cross-correlation function GCC time delay estimation, The Chinese have a comment, understand it, Related impulse response analysis algorithm and ins