idk

6th-Semester-Spring-2024/DSP/Labs/Lab-04/lab4-1.py

@@ -2,6 +2,16 @@ import numpy as np
 import matplotlib.pyplot as plt
 
 N = 8
+
+# Analytic DFT
+k = np.arange(N)
+W_N = np.exp(-2j*np.pi*k/N)
+plt.stem(k, -W_N)
+plt.xlabel("$k$")
+plt.ylabel("$W_N$")
+plt.show()
+
+
 n = np.arange(N)
 x = (-1.0)**n
 DFT_8_point = np.fft.fft(x, 8)