fix up SNR plot

git-svn-id: https://svn.code.sf.net/p/freetel/code@3532 01035d8c-6547-0410-b346-abe4f91aad63

diff --git a/codec2-dev/octave/ofdm_ldpc_rx.m b/codec2-dev/octave/ofdm_ldpc_rx.m
index 148bc6376c807cfc1776d38b0e1c62b04795cb0a..b1daed49570712c99d7552bf4ec94ce34ce14a70 100644 (file)
--- 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");