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Fixed signal amplitude necessary for noise amp calculation

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This commit is contained in:
Andreas Tsouchlos 2022-11-07 00:43:23 +01:00
parent be6ded2162
commit 01d4cf22aa
1 changed files with 1 additions and 1 deletions
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2
sw/decoders/utility.py
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@ -76,7 +76,7 @@ def test_decoder(decoder: typing.Any,
# TODO: Is this a valid simulation? Can we just add AWGN to the codeword, ignoring and modulation and ( # TODO: Is this a valid simulation? Can we just add AWGN to the codeword, ignoring and modulation and (
# e.g. matched) filtering? # e.g. matched) filtering?
y = add_awgn(x, SNR, signal_amp=(1 / np.sqrt(2))) y = add_awgn(x, SNR, signal_amp=np.sqrt(2))
y_hat = decoder.decode(y) y_hat = decoder.decode(y)
total_bit_errors += count_bit_errors(c, y_hat) total_bit_errors += count_bit_errors(c, y_hat)