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nihalpasham/dsss_sequence_plot.py

Last active April 13, 2020 03:20
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Plotting a DSSS binary code sequence
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dsss_sequence_plot.py
import numpy as np
import matplotlib.pyplot as plt
from matplotlib.pyplot import step, xlim, ylim, show
a = np.array([-1, -1, -1, -1, 1, -1, 1, -1, 1, 1, -1, -1, -1, 1, -1, -1, 1, 1, 1, 1, -1, -1, 1, -1, 1, -1, -1, 1, -1, -1, 1, -1, 1, 1, -1, 1, -1, 1, -1, 1, -1, -1, -1, -1, -1, 1, 1, -1, -1, 1, -1, -1, -1, -1, 1, 1, 1, -1, 1, -1, 1, 1, 1, -1, -1, 1, 1, 1, -1, -1, -1, 1, 1, -1, 1, 1, -1, -1, 1, 1, -1, -1, -1, -1, -1, -1, 1, -1, -1, -1, 1, 1, 1, 1, 1, -1, 1, -1, -1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, 1, 1, 1, -1, 1, 1, -1, 1, 1, 1, -1, 1, 1, 1, 1, 1, 1, 1])
b = np.tile(a, 1)
x = np.arange(0, 127)
fig, (ax1) = plt.subplots(1, figsize=(15,4))
ax1.step(x, b)
ax1.set(xlabel='Sample Number', ylabel='Amplitude')
ax1.set_title('127-bit DSSS Binary Code Sequence', fontsize=12, fontweight="bold")
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