6th Semester Files

6th-Semester-Spring-2024/DSP/Labs/Lab-02/lab-02-1.py

@@ -0,0 +1,22 @@
+import numpy as np
+import matplotlib.pyplot as plt
+
+PI = np.pi
+
+
+fs = 20000
+t = np.arange(0, 1, 1/fs)
+
+fB = np.arange(0,2001,1)
+fC = 10000
+
+m = np.zeros_like(t)
+for f in fB:
+    m += np.cos(2*PI*f*t)*(-abs(f-1000)/1000 + 1)
+
+c = np.cos(2*PI*fC*t)
+s = m*c
+
+plt.plot(np.arange(0,fs), abs(np.fft.fft(s)))
+
+plt.show()