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kabanosiek

Untitled

Oct 31st, 2019
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Python 0.66 KB | None | 0 0
  1. import numpy as np
  2. import matplotlib.pyplot as plt
  3.  
  4.  
  5. fs=3000
  6. f=1000
  7. x=np.arange(0,2*np.pi/f,2/f)
  8. y=2*np.sin(2*np.pi*x*f/fs)
  9. plt.subplot(5,1,1)
  10. plt.xlabel("Czas [sek.]")
  11. plt.ylabel("Amplituda")
  12. plt.title("fs = 3000Hz")
  13. plt.ylim(-7,7)
  14. plt.stem(x,y)
  15. plt.grid()
  16.  
  17. fs=2000
  18. x=np.arange(0,2*np.pi/f,2/f)
  19. y2=2*np.sin(2*np.pi*x*f/fs)
  20. plt.subplot(5,1,3)
  21. plt.stem(x,y2)
  22. plt.xlabel("Czas [sek.]")
  23. plt.ylabel("Amplituda")
  24. plt.title("fs = 2000Hz")
  25. plt.grid()
  26.  
  27. fs=1000
  28. x=np.arange(0,2*np.pi/f,2/f)
  29. y3=2*np.sin(2*np.pi*x*f/fs)
  30. plt.subplot(5,1,5)
  31. plt.stem(x,y3)
  32. plt.xlabel("Czas [sek.]")
  33. plt.ylabel("Amplituda")
  34. plt.title("fs = 1000Hz")
  35. plt.grid()
  36.  
  37. plt.show()
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