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WSJT-X
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23 Commits

Author SHA1 Message Date
Joe Taylor e0d4c94cc1 Some very basic functionality for time-synchronized FT4. 2019-04-01 14:23:10 -04:00
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 580fce8320 Allow oddball file names for input to ft4d. 2019-03-28 09:21:01 -04:00
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
Steve Franke 7a0823301a Remove some temporary code. 2019-03-09 10:03:01 -06:00
Steve Franke 1b591e2c8c Make ft4d work with cqstr. 2019-03-04 17:26:24 -06:00
Joe Taylor d5a1671210 FT4 decoding interval is now 288 ms. Saving of FT4 files is somewhat rationalized. 2019-02-21 10:08:18 -05:00
Joe Taylor 3c77b720f8 Account for buffer start time in ft4d. 2019-02-15 09:06:41 -05:00
Joe Taylor e5ea814bb9 Destroy FFTW plans when ft4d is finished. 2019-02-15 08:59:41 -05:00
Joe Taylor e4ba9f25fd Process one more 3456-sample chunk in ft4d. 2019-02-14 15:21:01 -05:00
Joe Taylor 55e0e32e59 Fix ft4d so that it reads and processed full 15-second files. 2019-02-14 15:10:41 -05:00
Joe Taylor 073a22125a Minor cleanup: debugging a problem with FT4 decoding. 2019-02-14 14:09:22 -05:00
Steve Franke cbfcb76193 AP decoding basically works. Make data_dir setting work on the Mac. 2019-02-07 18:48:38 -06:00
Steve Franke 71cb6d9f50 Use 4 different Costas arrays to prevent false syncs as received frames move 
through the analysis window.

Add a random 77-bit vector to each message so that tone transitions occur
even if the message contains a long string of 0 or 1 (like a CQ).

Add alternative sync calculation as an option (sync2), for testing.

Add basic framework for AP decoding.
 2019-02-05 19:18:50 -06:00
Steve Franke 40fd3f6551 Make writing to data_dir work on the Mac. 2019-02-02 11:04:11 -06:00
Joe Taylor 22209030e2 Move files all_ft4.txt and clockit.out to the data_dir directory. 2019-02-01 11:56:08 -05:00
Joe Taylor 04f085bb24 Proper handling of multiple decodes from one call to ft4_decode. 2019-01-31 13:55:21 -05:00
Joe Taylor a80b955fe7 Decode FT4 over the full frequency range displayed in waterfall. 2019-01-31 12:10:58 -05:00
Steve Franke d9f4a27a3e Create ft4_decode.f90. Change stand-alone decoder ft4d.f90 to use ft4_decode.f90. 2019-01-26 11:42:07 -06:00
Steve Franke 9fa08d3838 Un-hardwire sync. 2019-01-25 16:06:45 -06:00
Steve Franke 66e3f11fba Add ft4 files in lib/ft4. 2019-01-25 16:01:34 -06:00