Используйте функцию plt.step ()
Просмотр do c: https://matplotlib.org/3.1.0/api/_as_gen/matplotlib.pyplot.step.html
import matplotlib.pyplot as plt
import numpy as np
def my_lines(ax, pos, *args, **kwargs):
if ax == 'x':
for p in pos:
plt.axvline(p, *args, **kwargs)
else:
for p in pos:
plt.axhline(p, *args, **kwargs)
bits = [0,1,0,1,0,0,1,1,1,0,0,1,0]
data = np.repeat(bits, 2)
clock = 1 - np.arange(len(data)) % 2
manchester = 1 - np.logical_xor(clock, data)
t = 0.5 * np.arange(len(data))
my_lines('x', range(13), color='.5', linewidth=2)
my_lines('y', [0.5, 2, 4], color='.5', linewidth=2)
plt.step(t, clock + 4, 'r', linewidth = 2, where='post')
plt.step(t, data + 2, 'r', linewidth = 2, where='post')
plt.step(t, manchester, 'r', linewidth = 2, where='post')
plt.ylim([-1,6])
for tbit, bit in enumerate(bits):
plt.text(tbit + 0.5, 1.5, str(bit))
plt.gca().axis('off')
plt.show()