LAB2
unknown
matlab
2 years ago
1.9 kB
6
Indexable
%% 3.1 G = 1; T0 = 2; w0 = 2*pi/T0; M = 20; a = zeros(M,1); for k=1:M if mod(k,2) a(k) = -2*G*1i/(k*pi); end end a0 = G; t = -T0:0.001:2*T0; x = zeros(size(t)); for k = 1:M x = x + a(k)*exp(1i*k*w0*t) + a(k)'*exp(-1i*k*w0*t); end x = x + a0; figure(1) clf plot(t,x) xlabel('t') title('x(t)') %% System a i figur 10 P = [-8.4853+8.4853i, -8.4853-8.4853i]; Z = [0 0]; K = 1; b = zeros(M,1); for k = 1:M w = k*w0; H = K*prod(Z-i*w)/prod(P-i*w); b(k) = a(k)*H; end b0 = a0*K*prod(Z)/prod(P); t = -T0:0.001:2*T0; y = zeros(size(t)); for k = 1:M y = y + b(k)*exp(1i*k*w0*t) + b(k)'*exp(-1i*k*w0*t); end y = y + b0; figure(2) clf plot(t,y) xlabel('t') title('y(t)') %% System b i figur 10 P = [-0.4000+9.3830i, -0.4000-9.3830i]; Z = [0]; K = 0.8; b = zeros(M,1); for k = 1:M w = k*w0; H = K*prod(Z-1i*w)/prod(P-1i*w); b(k) = a(k)*H; end b0 = a0*K*prod(Z)/prod(P); t = -T0:0.001:2*T0; y = zeros(size(t)); for k = 1:M y = y + b(k)*exp(1i*k*w0*t) + b(k)'*exp(-1i*k*w0*t); end y = y + b0; figure(2) clf plot(t,y) xlabel('t') title('y(t)') %% System c i figur 10 P = [-0.7237+3.0569i, -0.7237-3.0569i]; Z = [3.1415i, -3.1415i]; K = 1; b = zeros(M,1); for k = 1:M w = k*w0; H = K*prod(Z-1i*w)/prod(P-1i*w); b(k) = a(k)*H; end b0 = a0*K*prod(Z)/prod(P); t = -T0:0.001:2*T0; y = zeros(size(t)); for k = 1:M y = y + b(k)*exp(1i*k*w0*t) + b(k)'*exp(-1i*k*w0*t); end y = y + b0; figure(2) clf plot(t,y) xlabel('t') title('y(t)') %% System d i figur 10 P = [-2.4749+2.4749i, -2.4749-2.4749i]; Z = []; K = 12.25; b = zeros(M,1); for k = 1:M w = k*w0; H = K*prod(Z-1i*w)/prod(P-1i*w); b(k) = a(k)*H; end b0 = a0*K*prod(Z)/prod(P); t = -T0:0.001:2*T0; y = zeros(size(t)); for k = 1:M y = y + b(k)*exp(1i*k*w0*t) + b(k)'*exp(-1i*k*w0*t); end y = y + b0; figure(2) clf plot(t,y) xlabel('t') title('y(t)')
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