VE7UWU/sdrangel
1
0
Fork 0
mirror of https://github.com/f4exb/sdrangel.git synced 2026-08-14 23:43:43 -04:00
Code Issues Projects Releases Wiki Activity

FT4 demod: added a subtract_edge_symbols parameter to take the ramp up/down symbol (for completeness but no significant improvement)

Browse Source
This commit is contained in:
f4exb
2026-03-08 23:33:25 +01:00
parent 40fc335774
commit e64c407628
3 changed files with 53 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
sdrbench/test_ft4.cpp
+3 -2
View File
@@ -219,8 +219,9 @@ void MainBench::testFT4(const QString& wavFile, const QString& argsStr)
FT8::FT4Decoder decoder;
decoder.getParams().nthreads = nthreads;
decoder.getParams().use_osd = 1;
decoder.getParams().osd_depth = 6;
decoder.getParams().osd_ldpc_thresh = 77; // Require at least 77/83 correct LDPC bits before OSD
decoder.getParams().osd_depth = 3; // OSD candidates must be in top 3 to be considered
decoder.getParams().osd_ldpc_thresh = 75; // Require at least 75/83 correct LDPC bits before OSD
decoder.getParams().subtract_edge_symbols = 0; // Experimental: model pre/post ramp symbols in subtraction
decoder.entry(
samples.data(),