example7_1.m

用dsp解压mp3程序的算法

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% Example7_1.m - program for example 7-1
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

b = [1 0.5]		% coefficients of the numerator
a = [1 -0.5 0.2]	% coefficients of the denomerator
impz(b,a); pause;	% impulse response of the H(z)
zplane(b,a); pause;	% pole-zero plot
freqz(b,a); pause;	% frequency response plot
grpdelay(b,a)		% group delay plot