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L{1}=link([ 0 0 0 0 0 1 0 0 -1 1 1 1 0 0 0 291e-6 -62.6111], 'modified'); L{2}=link([-pi/2 0 0 1 0 1 0 0 -1 1 1 1 0 0 0 409e-6 107.815], 'modified'); L{3}=link([ pi/2 0 0 0 1 1 0 0 -1 1 1 1 0

L{1}=link([-pi/2 0 0 0 0 1 0 1 0 1 1 1 0 0 0 291e-6 -62.6111]); L{2}=link([ pi/2 0 0 1 0 1 0 -1 0 1 1 1 0 0 0 409e-6 107.815]); L{3}=link([ 0 0 0 0 1 1 0 0 -1 1 1 1 0 0 0 299e-6 -53.7063]

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

function uscita = deg2rad(ingresso) uscita = 2*pi*ingresso/360;

function y=sinc(x) %SINC Sin(pi*x)/(pi*x) function. % SINC(X) returns a matrix whose elements are the sinc of the elements % of X, i.e. % y = sin(pi*x)/(pi*x) if x ~= 0 %

function y=sinc(x) % Y=SINC(X), determines the sinc function y=(sin(pi*x)+(x==0))./(pi*x+(x==0));

% il3_8fun.m function f=il3_8fun(x,p) f=1/sqrt(2*pi)*exp((-(x-p).^2)/2).*log2(2./(1+exp(-2*x.*p)));

% MATLAB script for Illustrative Problem 7.7. clear echo on Tb=1; f1=1000/Tb; f2=f1+1/Tb; phi=pi/4; N=5000; % number of samples t=0:Tb/(N-1):Tb; u1=cos(2*pi*f1*t); u2=cos(2*pi*f2*t);