exmp6_2.m

用dsp解压mp3程序的算法

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% exmp6_2.m - Characteristics of FIR filter
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b = [0.1 0.3 0.5 0.3 0.1]; % define coefficient vector b
zplane(b, 1); pause;       % pole and zero plot
freqz(b, 1); pause;        % magnitude and phase responses
grpdelay(b, 1)             % group delay