用Blackman-Tukey方法（自相关法）实现对任意输入的实序列函数x(n)作功率谱估计。-Using Blackman-Tukey method (autocorrelation method) to achieve the actual sequence of arbitrary input function x (n) for power spectrum estimation.

基于MATLAB的布莱克曼窗法带通滤波设计-The Blackman window method based on MATLAB bandpass filter design

用布莱克曼窗设计FIR滤波器，不错的程序，大家可以参考-FIR filter with Blackman window design, a good program, you can refer to