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5,340 Commits 5 Branches 98 Tags 208 MiB
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1927 Commits

Author SHA1 Message Date
Steve Franke
a9623703b3 FT4: Change Fortran code to NSPS=576 and make necessary accompanying 
changes on the C++ side. Basically works except that Tx audio has
incorrect DT and audio is truncated at the end. Also, command line
decoding using JT9 is not as sensitive as decoding from within WSJT-X.
 2019-05-22 17:02:15 -05:00
Steve Franke
80307b64ad Add a temporary research tool. 2019-05-22 17:01:06 -05:00
Joe Taylor
10aaec90e3 FT4 decodes using jt9 from command line now use ndepth=3. 2019-05-21 12:09:17 -04:00
Joe Taylor
2044b736da Fix a bug in calculation of S/N in JT4 mode. 2019-05-20 12:46:36 -04:00
Steven Franke
ab1454a24c Try to avoid a crash in freqcal.f90 when data is all zeros. 2019-05-11 09:36:15 -05:00
Steve Franke
0668c4fce0 Improve sync at large DT. 2019-05-08 11:34:16 -05:00
Steve Franke
0795651f0f FT4: Initialize mycall13 and dxcall13 for unpack77. 2019-05-04 08:05:28 -05:00
Bill Somerville
2e5152ad08 Merge branch 'release-2.1.0' of bitbucket.org:k1jt/wsjtx into release-2.1.0 2019-05-03 23:34:39 +01:00
Steve Franke
3611be8ba0 Try to avoid an array bounds error that has been reported by a user. Cause unknown. 2019-05-03 10:51:45 -05:00
Steve Franke
ab282fae78 Add bLowSidelobes argument to the call to symspec. It is initialized to FALSE. 2019-05-03 09:01:18 -05:00
Bill Somerville
45a1841eec Fix another grid variable length to suit new azdist API 2019-05-02 22:01:31 +01:00
Steve Franke
156f62d2fe 1. Fix array bounds mismatch in subroutine call that was the likely cause of Fortran crashes, and 2. open up DT search range to +/- 0.77s 2019-05-02 11:39:18 -05:00
Steve Franke
8b483620be Merge branch 'release-2.1.0' of bitbucket.org:k1jt/wsjtx into release-2.1.0 2019-04-30 20:12:42 -05:00
Steve Franke
b5f0cc7ea7 Add a third decoding pass. 2019-04-30 20:02:42 -05:00
Bill Somerville
3916316a1c Merge branch 'release-2.1.0' of bitbucket.org:k1jt/wsjtx into release-2.1.0 2019-04-30 15:43:01 +01:00
Bill Somerville
b29a6d14ea Workaround for a crash on macOS when compiling with gfortran 8.3 2019-04-30 15:13:26 +01:00
Steve Franke
0a12b34ec5 Avoid a potential out-of-bounds error. 2019-04-30 08:54:42 -05:00
Steve Franke
50eb2914af Change FT4 mode symbol to plus (+). 2019-04-26 16:44:09 -05:00
Steve Franke
561af7f411 Avoid zeroing cwave when it is not going to be used. 2019-04-20 09:37:36 -05:00
Bill Somerville
cf2219173a Squash a SEGV 2019-04-20 01:14:23 +01:00
Steve Franke
5814887770 FT4: Wire up Fast/Normal/Deep. 2019-04-19 14:38:54 -05:00
Steve Franke
2746338757 Measure time spent in subtract4.f90. 2019-04-18 17:19:56 -05:00
Steve Franke
e8d17a9898 FT4: Subtraction is basically working. 2019-04-18 14:16:39 -05:00
Steve Franke
be72461142 FT4: Some groundwork for subtraction. 2019-04-18 14:15:24 -05:00
Joe Taylor
655e0029fd Define the expected file length for FT4 data. 2019-04-17 14:03:27 -04:00
Steve Franke
f296e37630 Fix a bug that didn't show up when I compiled on the Mac. 2019-04-12 18:54:33 -05:00
Steve Franke
cd8ea16f40 FT8: Use GFSK waveform with BT=4.0 as reference for subtraction, for now. May want to change to BT=2.0 before v2.1 release? 2019-04-12 17:11:26 -05:00
Joe Taylor
a545b83bc3 Command-line argument for decoding FT4 files. 2019-04-03 15:40:33 -04:00
Joe Taylor
b3f62276e7 Fix the DT values generated in ft4sim_mult. 2019-04-03 12:45:38 -04:00
Joe Taylor
9fe179d396 Fix ft8sim_mult to generate synchronous FT4 signals. 2019-04-03 11:48:57 -04:00
Joe Taylor
50d4120c0c Add timer calls to FT4 decoder. 2019-04-03 10:26:47 -04:00
Joe Taylor
6ea9f4990d Several tweaks to FT4 simulation and decoding procedures. Now -0.5 < DT < 0.5 2019-04-03 10:13:50 -04:00
Joe Taylor
013c06b6ca Fix a probmel with decoding FT4 from .wav files. 2019-04-03 09:25:32 -04:00
Joe Taylor
d1c5bbecfe Add the new ft4_decode file. 2019-04-02 12:21:03 -04:00
Joe Taylor
e0d4c94cc1 Some very basic functionality for time-synchronized FT4. 2019-04-01 14:23:10 -04:00
Steve Franke
c7ec9b1927 Fix indenting. No functional changes. 2019-03-30 16:40:24 -05:00
Steve Franke
68f82c95de FT4: Only do the big FFT once for each candidate. Duh. 2019-03-30 15:55:05 -05:00
Steve Franke
73efc09392 Speed up sync. 2019-03-28 14:34:03 -05:00
Steve Franke
5e1637a5db Fix a bug and remove a redundant sanity check. 2019-03-28 14:01:30 -05:00
Joe Taylor
67b9f327a5 Merge branch 'release-2.1.0' of bitbucket.org:k1jt/wsjtx into release-2.1.0 2019-03-28 13:21:02 -04:00
Joe Taylor
54cd97f918 Protect against bad inferred candidate frequencies f0 in FT4 mode. 2019-03-28 13:07:37 -04:00
Steve Franke
fe8aa87401 Add some sanity checks to getcandidates4.f90 2019-03-28 11:13:26 -05:00
Steve Franke
3490c0d1e3 Merge branch 'release-2.1.0' of bitbucket.org:k1jt/wsjtx into release-2.1.0 2019-03-28 11:02:20 -05:00
Steve Franke
23c54540e7 Increase maximum wav file length to 20s. 2019-03-28 10:59:20 -05:00
Joe Taylor
6f00ec79a2 Merge branch 'release-2.1.0' of bitbucket.org:k1jt/wsjtx into release-2.1.0 2019-03-28 09:47:50 -04:00
Joe Taylor
cfb36395e0 Add some better usage examples for ft4sim. 2019-03-28 09:22:29 -04:00
Joe Taylor
580fce8320 Allow oddball file names for input to ft4d. 2019-03-28 09:21:01 -04:00
Steven Franke
a605ff4050 For now, limit noise level estimation to [300,2500] Hz. 2019-03-27 20:55:15 -05:00
Joe Taylor
43c38de884 Minor tweaks for FT4 debugging and possible tuning. 2019-03-26 14:00:32 -04:00
Steve Franke
0fef707118 Widen candidate frequency offset window to f0=[10,4990] Hz. 2019-03-21 13:27:10 -05:00