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wsprd: improve decoding and reduce the number of false decodes

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Hashtable entries now include the 4-digit grid obtained from the most
recent Fano decode of the callsign. The stored grid is used to validate
OSD decodes. OSD decodes of type 1 messages are accepted only if the
callsign is present in the hashtable and if the grid matches the grid
stored in the hashtable.
This commit is contained in:
Steven Franke
2020-02-25 10:48:38 -06:00
parent ac1d0f837d
commit 0ca6cbb575
8 changed files with 288 additions and 219 deletions
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widgets/mainwindow.cpp
+2 -2
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@@ -1491,8 +1491,8 @@ void MainWindow::dataSink(qint64 frames)
double f0m1500=m_dialFreqRxWSPR/1000000.0; // + 0.000001*(m_BFO - 1500);
t2.sprintf(" -f %.6f ",f0m1500);
if((m_ndepth&7)==1) depth_string=" -qB "; //2 pass w subtract, no Block detection, no shift jittering
if((m_ndepth&7)==2) depth_string=" -B "; //2 pass w subtract, no Block detection
if((m_ndepth&7)==3) depth_string=" -C 5000 -o 4"; //2 pass w subtract, Block detection and OSD.
if((m_ndepth&7)==2) depth_string=" -C 500 -o 4 "; //3 pass, subtract, Block detection, OSD
if((m_ndepth&7)==3) depth_string=" -C 500 -o 4 -d "; //3 pass, subtract, Block detect, OSD, more candidates
QString degrade;
degrade.sprintf("-d %4.1f ",m_config.degrade());