阻带衰减50dB,我们选Hamming窗 代码: %% ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB> Pr…

代码: %% ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB> Problem 6.12 \n\n'); ba…

1.从别的地方找的证明过程: 2.代码 function x2 = circfold(x1, N) %% Circular folding using DFT %% --------------------------------------------- %% x2 = circfold(x1, N) %% x2 = circulary folded output sequence %% x1 = input sequence of length <= N %% N = circular bu…

代码: %% ------------------------------------------------------------------------ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB> Problem 8.12 \n\n'); banner();…

代码: function [As, Ac, r, v0] = invCCPP(b0, b1, a1, a2) % Determine the signal parameters Ac, As, r, v0 in terms of % the rational function parameters b0, b1, a1 and a2. % ---------------------------------------------------- % function [As, Ac, r, v0]…

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代码: 子函数ampl_res function [Hr,w,P,L] = ampl_res(h); % % function [Hr,w,P,L] = Ampl_res(h) % Computes Amplitude response Hr(w) and its polynomial P of order L, % given a linear-phase FIR filter impulse response h. % The type of filter is determined aut…

代码: %% ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB> Problem 6.22 \n\n'); ba…

代码: %% ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB> Problem 6.8 \n\n'); ban…

证明: 代码: %% ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ %% Output Info about this m-file fprintf('\n***********************************************************\n'); fprintf(' <DSP using MATLAB> Problem 5.2…