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- import numpy as np
- import matplotlib.pyplot as plt
- fs=3000
- f=1000
- x=np.arange(0,2*np.pi/f,2/f)
- y=2*np.sin(2*np.pi*x*f/fs)
- plt.subplot(5,1,1)
- plt.xlabel("Czas [sek.]")
- plt.ylabel("Amplituda")
- plt.title("fs = 3000Hz")
- plt.ylim(-7,7)
- plt.stem(x,y)
- plt.grid()
- fs=2000
- x=np.arange(0,2*np.pi/f,2/f)
- y2=2*np.sin(2*np.pi*x*f/fs)
- plt.subplot(5,1,3)
- plt.stem(x,y2)
- plt.xlabel("Czas [sek.]")
- plt.ylabel("Amplituda")
- plt.title("fs = 2000Hz")
- plt.grid()
- fs=1000
- x=np.arange(0,2*np.pi/f,2/f)
- y3=2*np.sin(2*np.pi*x*f/fs)
- plt.subplot(5,1,5)
- plt.stem(x,y3)
- plt.xlabel("Czas [sek.]")
- plt.ylabel("Amplituda")
- plt.title("fs = 1000Hz")
- plt.grid()
- plt.show()
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