代码: %% ------------------------------------------------------------------------ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB> Problem 8.39.2 \n\n'); banner()…

代码: function [X1k, X2k] = real2dft(x1, x2, N) %% --------------------------------------------------------------------- %% DFT of two Real-Valued N-Point sequence x1(n) and x2(n) %% ---------------------------------------------------------------------…

代码: function [wpLP, wsLP, alpha] = bs2lpfre(wpbs, wsbs) % Band-edge frequency conversion from bandstop to lowpass digital filter % ------------------------------------------------------------------------- % [wpLP, wsLP, alpha] = bs2lpfre(wpbs, wsbs)…

代码: %% ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB> Problem 7.36 \n\n'); ba…

又是一年五一节,朋友圈都是晒名山大川的,晒脑袋的,我这没钱的待在家里上网转转吧 频率采样法设计带通滤波器,过渡带中有一个样点 代码: %% ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ %% Output Info about this m-file fprintf('\n*******************************************************…

代码: %% ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB> Problem 7.27 \n\n'); ba…

注意:高通的线性相位FIR滤波器,不能是第2类,所以其长度必须为奇数.这里取M=31,过渡带里采样值抄书上的. 代码: %% ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ %% Output Info about this m-file fprintf('\n***********************************************************\n'…

代码: %% ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB> Problem 7.25 \n\n'); ba…

又到清明时节,…… 注意:带阻滤波器不能用第2类线性相位滤波器实现,我们采用第1类,长度为基数,选M=61 代码: %% ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ %% Output Info about this m-file fprintf('\n***********************************************************\n');…

%% ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB> Problem 7.23 \n\n'); banner…