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%---------------------------------------------------------------------------- % exa060603.m, for example 6.6.3; % To design IIR Butteworth bandstop DF by analog-lowpass, % -------------------------

%----------------------------------------------------------------------------- % 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 ; %------------------------------------------------------------------------

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

%this is an S function that calculates the current profile that is required % function [sys,x0,str,ts] = control1(t,x,u,flag,J,DF,N,BM,Rr,Rl,delta,KP,KI,KD,basecurr) %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

#include int g,q; char a,b,c,d,e,f,i,m,op; double p1,p2,p3,p4,p5,p6,j1,j2,j3,j4,j5,j6,k1,k2,k3,k4,k5,k6,k7,Pi,pi,Ci,Asi=1.0,pm,Pm,Cm,Asm; double S=1.0,M,C1=0.0; double s1,s2; double

N=128; T=1; t=linspace(0,T,N); x=12*sin(20*pi*t+pi/4)+5*cos(80*pi*t); dt=t(2)-t(1); f=1/dt; X=frft(x,1); y=ifft(x); z=fft(x); p1=real(X); p2=real(y); p3=real(z); F=X(1:N); Y=y(1:N); f=f*

N=128; T=1; t=linspace(0,T,N); %x=12*sin(20*pi*t+pi/4)+5*cos(80*pi*t); x=cos(100*t); dt=t(2)-t(1); x=x(:); f=1/dt; X=frft(x,1); %X=X'; y=ifft(x); z=fft(x); p1=real(X); p2=real(y); p3=rea

t=0:0.1: 50; A=5; a=0.05; w0=2*pi; f0=w0/(2*pi); fs=5; Ts=1/fs; xt=A*exp(-a*t).*sin(w0*t); subplot(3,1,1); plot(t,xt); axis([0 max(t) 1.1*min(xt) 1.1*max(xt)]); title('原信号'); n=0:Ts:10; x

% script that generates the figure 3.4 of Carrier modulation chapter snrindB=0:0.25:18; for i=1:length(snrindB), snr=10^(0.1*snrindB(i)); P2(i)=Qfunct(sqrt(2*snr)); P4(i)=2*Qfunct(sqrt(4*sn