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%----------------------------------------------------------------- % exa011004_sinc.m, for example 1.10.4 % to generate the sinc function. % 产生一 sinc 函数； %-----------------------

%------------------------------------------------------------------------ % exa050501.m, for example 5.5.1 and fig5.5.1 % to explain the spectra factorization %------------------------------------

%----------------------------------------------------------------------------- % exa060701_3.m , for example 6.7.1 and 6.5.1 % to test butter.m %---------------------------------------------------

%----------------------------------------------------------------------------- % exa060701_2.m , for example 6.7.1 and 6.5.1 % to test buttord,lp2lp,bilinear ; % to design Low-pass DF with s=2/Ts[(

%------------------------------------------------------------------------ % exa100800_corrcoef.m, % to test corrcoef.m ; %------------------------------------------------------------------------

#include #include #include #include "msp.h" void mdefir1(int l,int iband,float fl,float fh,float fs,int iwindow, float b[],float w[],int *ierror) { /*-------------

clf, clear, nfft=256; t=0:1/nfft:1; signal=[exp(sqrt(-1)*2000*2*pi*t);... exp(sqrt(-1)*1500*2*pi*t);... exp(sqrt(-1)*3000*2*pi*t)]; [p,q]=size(signal); st=signal; theta=[10

clc;clear; m1=2;m2=1.1;m3=1.6;m4=3;pi=3.14; a1=0.7;a2=0.8;a3=1.1;a4=0.6;a5=1.2;i=1; for t=0:0.1:10; th1=pi*(t-(10/(2*pi))*sin(2*pi*t/10))/10; dth1=pi*(1-cos(2*pi*t/10))/10; ddth1=(pi)*(2

x=[2,2,2,2,2,2,2,2];w=[0:1:500]*2*pi/500; [H]=freqz(x,1,w); magH=abs(H);phaH=angle(H); subplot(2,2,1);plot(w/pi,magH);grid xlabel('');ylabel('|x|');title('DTFT的幅度') subplot(2,2,2);plot(w/pi,phaH/

x=[1,2,3,4,5,6,6,5,4,3,2,1];w=[0:1:500]*2*pi/500; [H]=freqz(x,1,w); magH=abs(H);phaH=angle(H); subplot(2,2,1);plot(w/pi,magH);grid axis([0,2,0,50]); xlabel('');ylabel('|x|');title('DTFT的幅度') sub