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  1. (23:57:19) NiK: Михаил Гутник (01 июня, 00:00): k1=130;
  2. k2=120;
  3. k=0.7;
  4. b1=4;
  5. b2=5;
  6. w01=13;
  7. w02=8;
  8. num1=[k1 0 (k1*w02^2)-(k2*w01^2)];
  9. num2=[k2 0 (k2*w01^2)-(k1*w02^2)];
  10. den1=[1 0 (w01^2)+(w02^2) 0 0];
  11. den2=[1 0 (w01^2)+(w02^2) 0 0];
  12. [num,den]=parallel(num1,den1,num2,den2);
  13.  
  14. w = 0:.01:50;
  15. [RE,IM] = nyquist(num, den, w);
  16. [A,F]=bode(num, den,w);
  17.  
  18. t = 0:0.01:10;
  19. u = sin(20*t);
  20. Y=lsim(num, den, u, t);
  21.  
  22. subplot(3,2,1);
  23. plot(t,u);
  24.  
  25. title('Внешнее воздействие');
  26. subplot(3,2,2);
  27. plot(t,Y);
  28.  
  29. title('Выходной сигнал');
  30. subplot(3,2,3);
  31. plot(w,RE);
  32.  
  33. title('ВЧХ');
  34. subplot(3,2,4);
  35. plot(w,IM);
  36.  
  37. title('МЧХ');
  38. subplot(3,2,5);
  39. plot(w,A);
  40.  
  41. title('АЧХ');
  42. subplot(3,2,6);
  43. plot(w,F);
  44.  
  45. title('ФЧХ');
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