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WSJT-X
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7,366 Commits 5 Branches 98 Tags 208 MiB
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2720 Commits

Author SHA1 Message Date
Joe Taylor 3b54196206 Remove two disused lines of code. 2021-01-07 13:37:12 -05:00
Joe Taylor f003ae653c Silence compiler warning. 2021-01-07 12:00:11 -05:00
Joe Taylor 5b0975bf45 Correct several flaws in message averaging. Still may want to handle MAXAVE better? 2021-01-07 11:13:43 -05:00
Joe Taylor 2194f3096a Don't count lines with blank message in "ndecoded". 2021-01-06 21:44:49 -05:00
Joe Taylor bc8d134135 Silence several compiler warnings. 2021-01-06 12:44:49 -05:00
Joe Taylor aee0a1e851 Silence a compiler warning. 2021-01-06 10:58:25 -05:00
Bill Somerville c7f2be4ba7
Initialize a variable 2021-01-06 15:49:51 +00:00
Bill Somerville c407bc00f9
Revert "Mostly(?) temporary diagnostic tests." 
This reverts commit fb6fcdf35e.
 2021-01-06 15:48:21 +00:00
Bill Somerville 9b35eeaead
Revert "Add s1 to the diagnostic output." 
This reverts commit 5fe0bd3508.
 2021-01-06 15:48:07 +00:00
Joe Taylor 5fe0bd3508 Add s1 to the diagnostic output. 2021-01-06 10:30:05 -05:00
Joe Taylor fb6fcdf35e Mostly(?) temporary diagnostic tests. 2021-01-06 10:24:08 -05:00
Joe Taylor 47c8286db8 Disallow Q65 decodes with sum(dat4)=0: all 78 bita are zero. 2021-01-05 19:45:00 -05:00
Joe Taylor 4fb90e336e Better orange sync curve. Clear message averaging after a successful decode. 2021-01-05 11:30:22 -05:00
Joe Taylor f82356e199 q65sim: nonzero step size ==> Doppler tracking; otherwise, linear drift. 2021-01-05 10:42:19 -05:00
Joe Taylor b8bd745816 Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2021-01-05 09:53:54 -05:00
Joe Taylor ea271152b8 Implement "orange sync curve", useful for multi-signal situation. 2021-01-04 14:38:02 -05:00
Bill Somerville f2e9c1d91d
Merge branch 'develop' into feat-fst280 2021-01-04 15:53:21 +00:00
Bill Somerville 94977df845
Merge branch 'release-2.3.0' into develop 2021-01-04 15:38:06 +00:00
Bill Somerville 607a346cf1
Add new function needed for FST4W decoder updates 2021-01-04 15:35:32 +00:00
Steven Franke 0013b15120
Remove some debug code. 2021-01-04 15:00:05 +00:00
Steven Franke 46222c61ed
Add rudimentary sanity checks to the values parsed from FST4W_ALSO_FST4. 2021-01-04 15:00:05 +00:00
Steven Franke 41f587c240
Fix a conflict between noise baseline percentile level and noise blanker percentage. Both were using the npct variable. Add an option for an FST4 pass when in FST4W mode. 2021-01-04 15:00:05 +00:00
Steven Franke 0fef0cc6e6
Minor formatting change in fst4_decodes.dat. 2021-01-04 15:00:04 +00:00
Steven Franke a38b48d13d
Minor format change for nutc in fst4_decodes.dat. 2021-01-04 15:00:04 +00:00
Steven Franke a657ce29a7
FT8: Make nagain work. 2021-01-04 15:00:04 +00:00
Steven Franke 41297e8761
FT8: Commit the rest of the fix for the nagain crash. 2021-01-04 15:00:04 +00:00
Steven Franke b51bda4806
FT8: Fix jt9 crash when nagain is invoked. 2021-01-04 15:00:04 +00:00
Steven Franke 4081be94e1
Avoid a possible of bounds error. Compute some more decode diagnostic data. 2021-01-04 15:00:03 +00:00
Steven Franke fb7b751e6d
Remove hmod from command line parameters for fst4sim. 2021-01-04 15:00:03 +00:00
Steven Franke 701d517e6e
For fst4sim, use Lorentzian fading spectrum when fspread is negative. 2021-01-04 15:00:03 +00:00
Steven Franke b087328fc1
Don't waste time on excess BP iterations when doing K=50. Decode a little deeper. 2021-01-04 15:00:03 +00:00
Steven Franke 8079d35561
Append decoder data to file fst4_decodes.dat instead of overwriting. 2021-01-04 15:00:02 +00:00
Steven Franke 89cbd177df
If file decdata is present in the data directory, then write detailed decoder data to file fst4_decodes.dat in the same directory. 2021-01-04 15:00:02 +00:00
Steven Franke 812bd29e54
FST4W: Use K=66 for first OSD decode attempt and for updating fst4w_calls.txt. Use K=50 for 2nd attempt. 2021-01-04 15:00:02 +00:00
Steven Franke fc3e24f696
More work on K=50 decoding. 2021-01-04 15:00:01 +00:00
Steven Franke 65ff3ce05e
Remove some debug prints. 2021-01-04 15:00:01 +00:00
Steven Franke 11b7aa9429
Implements decoding of FST4W messages as (240,50) crc-less codewords. 
By cascading the full 24-bit crc generator matrix with the (240,74) LDPC code generator, create a (240,50) generator that is used to decode with approximately 1 dB better sensitivity than the (240,64) with 14-bit CRC approach that is normally used. This approach treats the CRC bits as additional parity bits and provides no means for identifying incorrect codewords. All codewords on the list generated by the OSD algorithm have CRCs that match the CRC of the message payload. Codewords are validated by unpacking the message and comparing the unpacked message with the list of stored callsign/grid pairs stored in the fst4w_calls.txt file.
 2021-01-04 14:59:56 +00:00
Joe Taylor 662a43d3dd Corrections to the frequency-drift feature in q65sim. 2021-01-04 09:07:03 -05:00
Joe Taylor 6074e4e3af Options for introducing frequency drift and frequency steps (e.g. 10 Hz) in Q65 simulator. 2021-01-03 11:19:39 -05:00
Joe Taylor a02cbabb99 Fix an off-by-1 bug introduced in the previous commit. 2021-01-03 11:18:14 -05:00
Joe Taylor 04b22ce250 Preparing to add solution for frequendy drift to q65_sync.f90. 2021-01-02 14:21:14 -05:00
Joe Taylor bc58604d42 Allow optional frequency drift of simulated Q65 signals. 2021-01-02 13:09:47 -05:00
Joe Taylor e5a8e80c49 Minor tweaks to Q^% decoding scheme. 2021-01-01 15:28:41 -05:00
Joe Taylor 6b351165f2 Re-introduce Q65 timer calls. Extend red sync baseline to minimum +/- 100 Hz. 2021-01-01 10:47:22 -05:00
Joe Taylor 8a4b5b6a40 Various tweaks to the Q65 decoder; new numbering of the end-of-line decoding flags. 2020-12-31 15:52:06 -05:00
Joe Taylor bcbca02c08 Enforce Q65 ClrAvg action when requested. Tweak somne logic. 2020-12-30 16:12:02 -05:00
Joe Taylor e07ba410c2 Fix a problem with access to apsym0() array. 2020-12-30 15:40:06 -05:00
Joe Taylor 5d7b5f83e2 Fix several more flaws in the way Q65 decodes are presented. 2020-12-30 15:05:02 -05:00
Joe Taylor 77a0e01b05 Allow for all AP types when averaging Q65, and for navg > 9. 2020-12-30 12:10:03 -05:00
Joe Taylor 91687c573b Fix the reporting of SNR for Q65 average decodes. 2020-12-30 11:02:49 -05:00