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26 lines
608 B
Python
26 lines
608 B
Python
import sigproc
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import itertools
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import config
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import numpy as np
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import random
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def test_qam():
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q = sigproc.QAM(config.symbols)
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r = random.Random(0)
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m = q.bits_per_symbol
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bits = [tuple(r.randint(0, 1) for j in range(m)) for i in range(1024)]
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stream = itertools.chain(*bits)
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S = q.encode(list(stream))
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decoded = list(q.decode(list(S)))
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assert decoded == bits
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def test_linreg():
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x = np.array([1, 3, 2, 8, 4, 6, 9, 7, 0, 5])
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a, b = 12.3, 4.56
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y = a * x + b
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a_, b_ = sigproc.linear_regression(x, y)
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assert abs(a - a_) < 1e-10
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assert abs(b - b_) < 1e-10
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