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ha7ilm 2017-04-30 10:18:26 +02:00
parent addd52f148
commit 3464174c07
1 changed files with 3 additions and 2 deletions
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5
grc_tests/bpsk31_tedvar.m
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@ -70,8 +70,9 @@ error_values_earlylate=mkvarplot('EARLYLATE',snrs_earlylate);
h=figure(1); h=figure(1);
ebn0=snrs-13.26-10*log10(1/256.) ebn0=snrs-13.26-10*log10(1/256.)
%13.56 dB is the difference between the real (measured) SNR and the number input to awgn_cc %13.56 dB is the difference between the real (measured) SNR and the number input to awgn_cc.
%This is because agwn_cc assumes a signal with 0dB power at te input, while our BPSK31 baseband signal is of -13.26 dB.
semilogy(ebn0, error_values_gardner, 'linewidth', 2); semilogy(ebn0, error_values_gardner, 'linewidth', 2);
title('Estimation variance'); title('Estimation variance');