import scipy
import scipy.fftpack
import cmath 
import math
import matplotlib.pyplot as plt 
import numpy as np
from scipy import  signal
from scipy.signal  import freqs, iirfilter
x = np.linspace(0, 1024, 1024) # диапазон значений x
byts = np.array([0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1])
ff = 64 # %Частота несущей 
ns = np.sin(2 * np.pi * (x - 1) * ff / 1024) # несущая
y = ns * byts[np.round((x + 31) / 64).astype(int)] # %сигнал 
plt.plot(y)

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