import numpy as np import matplotlib.pyplot as plt

''' Common values for all modulation techniques ''' samp_rate = 50 # 50 samples/s bitrate = 1 # 1 bits/s - 1 symbol = 1 bit

carr_freq = 2 # Hz dfreq = 1 # Hz

Step 2 - Convert data to polar form to get the necessary phase shift i.e., 01 Inverting the amplitude of the signal is equivalent to shifting the phase of the signal by radians. As sin(+)=1sin() 4]: polar_baseband_data = (baseband_data * 2 ) - 1 ax, fig = plt.subplots(figsize-(8, 2)) plt.grid(True, linestyle-"-.') plt.plot(polar_baseband_data) plt.title("Baseband data - Polar form") 4]: Text (0.5,1.0, "Baseband data - Polar form")