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equalizer: remove unused code

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Roman Zeyde
2015-01-08 09:40:15 +02:00
parent 3b1d193b0b
commit 3dcd9f4ccc
2 changed files with 0 additions and 51 deletions
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25
tests/test_equalizer.py
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@@ -45,31 +45,6 @@ def test_modem():
assert_approx(sent, received)
def test_symbols():
length = 100
gain = float(config.Nfreq)
e = equalizer.Equalizer(config)
symbols = e.train_symbols(length=length)
x = e.modulator(symbols) * gain
assert_approx(e.demodulator(x, size=length), symbols)
den = np.array([1, -0.6, 0.1])
num = np.array([0.5])
y = dsp.lfilter(x=x, b=num, a=den)
lookahead = 2
h = e.equalize_symbols(
signal=y, symbols=symbols, order=len(den), lookahead=lookahead
)
assert norm(h[:lookahead]) < 1e-12
assert_approx(h[lookahead:], den / num)
y = dsp.lfilter(x=y, b=h[lookahead:], a=[1])
z = e.demodulator(y, size=length)
assert_approx(z, symbols)
def test_signal():
length = 100
x = np.sign(RandomState(0).normal(size=length))