From 0dda5e692ae6de9d0f820bcd503e8ea53f130e73 Mon Sep 17 00:00:00 2001 From: drowe67 Date: Sun, 29 Apr 2018 05:26:00 +0000 Subject: [PATCH] fix up SNR plot git-svn-id: https://svn.code.sf.net/p/freetel/code@3532 01035d8c-6547-0410-b346-abe4f91aad63 --- codec2-dev/octave/ofdm_ldpc_rx.m | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/codec2-dev/octave/ofdm_ldpc_rx.m b/codec2-dev/octave/ofdm_ldpc_rx.m index 148bc637..b1daed49 100644 --- a/codec2-dev/octave/ofdm_ldpc_rx.m +++ b/codec2-dev/octave/ofdm_ldpc_rx.m @@ -308,9 +308,10 @@ function ofdm_ldpc_rx(filename, interleave_frames = 1, error_pattern_filename) figure(6); clf; snr_estdB = 10*log10(sig_var_log) - 10*log10(noise_var_log) + 10*log10(Nc*Rs/3000); snr_smoothed_estdB = filter(0.1,[1 -0.9],snr_estdB); - plot(snr_smoothed_estdB,'SNR3k;'); + plot(snr_smoothed_estdB); title('Signal and Noise Power estimates'); - + ylabel('SNR (dB)') + if nargin == 3 fep = fopen(error_pattern_filename, "wb"); fwrite(fep, error_positions, "short"); -- 2.25.1