33 Commits

Author	SHA1	Message	Date
Steve Franke	33498cc10f	Disable AP if ncontest=5 or 6 (Fox and Hound).	2019-02-08 15:17:46 -06:00
Steve Franke	e3830dcb27	Remove temporary indent file.	2019-02-07 18:52:51 -06:00
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	ecbeda5297	Disable sync2 calculation for now.	2019-02-07 10:16:28 -06:00
Steve Franke	60cb4a33aa	Re-enable second sync pass.	2019-02-05 19:53:53 -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	91e3dbdf20	New scheme for finding candidates. Speed up sync. Improved SNR calibration.	2019-02-02 16:29:17 -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	98d665c678	Add subroutine clockit() and use it for profiling ft4_decode().	2019-02-01 10:47:47 -05:00
Joe Taylor	9c2700128c	Generation of FT4 Tx waveform from itone() moved to a separate subroutine.	2019-01-31 16:07:07 -05:00
Joe Taylor	b32799d2b8	Add xdt to lines printed by ft4sim_mult.	2019-01-31 14:06:05 -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
Joe Taylor	0dd4577143	Merge branch 'feat-ft2' of bitbucket.org:k1jt/wsjtx into feat-ft2	2019-01-31 11:38:55 -05:00
Joe Taylor	7ae1210266	Fix several flaws in the waveforms generated by ft4sim_mult.	2019-01-31 11:37:54 -05:00
Steve Franke	fdb84c0e63	Fix an off-by-one error.	2019-01-30 19:19:38 -06:00
Joe Taylor	9f909b6b1b	Oops, I left garbage in the file.	2019-01-30 15:49:52 -05:00
Joe Taylor	1261434e84	Merge branch 'feat-ft2' of bitbucket.org:k1jt/wsjtx into feat-ft2	2019-01-30 15:37:38 -05:00
Joe Taylor	189f538dc0	Add ft4sim_mult, which is basically functional.	2019-01-30 15:33:47 -05:00
Steve Franke	66bb999126	Improve ft4_downsample filter. Improve getcandidates4.	2019-01-30 12:47:01 -06:00
Joe Taylor	3f7fb38e81	More code cleanup -- just comments and formatting.	2019-01-30 12:22:41 -05:00
Joe Taylor	2888c05eff	Code cleanup.	2019-01-30 11:20:29 -05:00
Steve Franke	e57df307dd	Fix a comment.	2019-01-29 15:42:30 -06:00
Joe Taylor	7e3b153d8b	Correct the estimate of SNR for FT4 signals.	2019-01-29 13:56:04 -05:00
Joe Taylor	0a6d67c1d6	Make the simulated data files slightly longer so that WSJT-X can decode them.	2019-01-29 13:55:04 -05:00
Joe Taylor	e98231d4c1	Correct the call to genft4(); fix the displayed time for data from disk.	2019-01-29 10:39:34 -05:00
Steve Franke	d3b1f7e560	Prevent some out-of-bounds problems.	2019-01-27 19:28:41 -06:00
Steve Franke	57cf69e6ad	First cut at identifying multiple candidates for decoding. Needs work.	2019-01-27 19:19:47 -06:00
Steve Franke	613bfaf3ee	Change ft4 to use (174,91) code and 512 Sa/symbol.	2019-01-26 23:03:54 -06:00
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