2750 Commits

Author	SHA1	Message	Date
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
Joe Taylor	412422db17	Add 'q' to the Q65 end-of-line flags; label right text window for "Average decodes".	2020-12-30 10:42:27 -05:00
Joe Taylor	d81c01d23d	Remove unneeded arguments from calls to q65_avg and q65_avg2.	2020-12-30 09:07:41 -05:00
Joe Taylor	057967a761	For Q65 nsg averaging, wrap nsave when it reaches MAXAVE.	2020-12-30 08:44:56 -05:00
Joe Taylor	b6d2002985	Q65 decoder mostly working now with all (A B C D) decoding types.	2020-12-29 16:41:48 -05:00
Joe Taylor	520a0c7cc0	Work in progress for Q65 decoder.	2020-12-28 18:53:13 -05:00
Joe Taylor	62074ab58f	Much reworking of Q65 decoder. Have temporarily enabled all types of decoding passes.	2020-12-28 15:27:10 -05:00
Joe Taylor	30ab29d9e3	Work in progress, with lots of diagnostics. Do not use on the air!	2020-12-27 15:27:26 -05:00
Joe Taylor	48297e068b	More work in ptogress ...	2020-12-27 14:14:10 -05:00
Joe Taylor	d246a23948	Work in progress on message averaging: save current status.	2020-12-27 11:35:55 -05:00
Joe Taylor	5c805dfb39	another realignment of red sync curve and convention for f0.	2020-12-27 10:35:04 -05:00
Joe Taylor	c8ace441f9	New files for Q65 message averaging.	2020-12-26 10:08:53 -05:00
Joe Taylor	3d042ee56f	Work in progress, on Q65 message averaging.	2020-12-26 10:04:17 -05:00
Joe Taylor	d5957f51f9	Insert some (commented out) diagnostics.	2020-12-24 13:07:29 -05:00
Joe Taylor	171e466389	More work on Q65 message averaging.	2020-12-24 09:51:02 -05:00
Joe Taylor	844930fe75	Correct the frequency alignment of red sync curve.	2020-12-23 11:03:09 -05:00
Joe Taylor	c5a0de6210	Partial implementation of Q65 message averaging.	2020-12-23 09:47:11 -05:00
Joe Taylor	008cb37c16	Update test_q65 for having removed the T/F sync flag from q65sim command line.	2020-12-22 13:41:40 -05:00
Joe Taylor	408ac7bd0d	Correct the reported f0 for Q65 signals. It was off by one tone spacing.	2020-12-22 13:21:31 -05:00
Joe Taylor	cac6577127	Extend the DT range for 30 s Q65 submodes to include EME delays.	2020-12-22 09:43:25 -05:00
Joe Taylor	83c917ac57	Don't allow previous values of DT, f0 to be displayed with a no-decode.	2020-12-21 15:59:33 -05:00
Joe Taylor	044aa80dc4	Remove all vestiges of the QRA64 mode. It has been replaced by Q65.	2020-12-21 15:07:53 -05:00
Joe Taylor	36a089de21	Remove the sync-test option from q65sim.f90.	2020-12-21 13:42:03 -05:00
Joe Taylor	44516dbbc1	Make the Q65 red sync curve at least 21 tone-spacings wide, even if FTol is smaller.	2020-12-21 13:33:54 -05:00
Joe Taylor	545079e951	Reorder the ibw loop in q65_loops.f90.	2020-12-20 21:43:30 -05:00
Joe Taylor	ddf727f351	Adjust a 3 dB offset in Q65 SNRs from list decodes.	2020-12-20 21:42:42 -05:00
Joe Taylor	1f33c857ac	Measure fSpread from ccf1, then use resulting width to set effective ibwmin.	2020-12-19 13:25:51 -05:00
Joe Taylor	c7ca708569	Fix the problem with not honoring "Save Decoded" in Q65 mode.	2020-12-19 11:42:42 -05:00
Joe Taylor	f23129c33c	Fix a problem with Q65 FTol range extending down below 0 Hz.	2020-12-19 11:25:18 -05:00
Joe Taylor	7096a548ec	Correct a problem with estimating rms of ccf for Q65-300x submodes.	2020-12-19 10:42:27 -05:00
Joe Taylor	89ab3b0f01	Fix a bounds error with very small FTol.	2020-12-18 16:30:11 -05:00
Joe Taylor	450249dd4c	Add a DT label to the Q65 red sync curve.	2020-12-18 16:19:01 -05:00
Joe Taylor	67b82c7666	Remove the klunky 2D sync plot. The red sync curve is better.	2020-12-18 16:00:33 -05:00
Joe Taylor	b3769bb6c8	For Q65, plot a red "Sync curve" in the Wide Graph.	2020-12-18 13:31:14 -05:00
Joe Taylor	d165532dc5	Oops! Committed the wrong version of q65_decode.f90.	2020-12-17 19:06:07 -05:00
Joe Taylor	8507a42655	Quasi-graphical display of the sync ccf(f0,DT).	2020-12-17 17:02:28 -05:00
Joe Taylor	6b8abe32b1	One more protection against too-large FTol.	2020-12-16 15:51:46 -05:00
Joe Taylor	a47ec75f56	Reformat the test_q65 headings and output.	2020-12-15 13:17:31 -05:00
Joe Taylor	0ee61205aa	Disable diagnostic writing to 'fort.55' in CWD.	2020-12-15 11:37:48 -05:00
Joe Taylor	841bbac56e	Increase the Q65 list decodes to include reports -50 to +49 dB.	2020-12-15 11:03:06 -05:00
Joe Taylor	3160e63dc7	Several minor tweaks to Q65 decoding.	2020-12-15 09:32:24 -05:00
Joe Taylor	99377e4c24	Measure avg and rms of estimated SNR values, for comparison with generated SNRs.	2020-12-15 09:31:29 -05:00
Joe Taylor	cd95df4089	Protect against pathological combinations of RxFreq and FTol.	2020-12-09 13:45:05 -05:00
Joe Taylor	84591fa2ef	Protect against a bounds error with very large FTol.	2020-12-08 11:53:22 -05:00
Bill Somerville	2964bc6295	Merge branch 'develop' into feat-fst280	2020-12-06 22:27:07 +00:00
Joe Taylor	4b42937c35	Minor tweaks in q65_sync.	2020-12-06 08:12:58 -05:00
Joe Taylor	f948ba7c29	Allow fDop = 0.0 in test_q65.	2020-12-06 08:12:16 -05:00
Joe Taylor	a47f5e5103	Correct what appears to be an error in q65_intrinsics_fastfading: max hidx=63, not 64?	2020-12-06 08:09:28 -05:00
Joe Taylor	53f5e26580	First attempt ar reasonabkle values for nsmo and ibw range.	2020-12-05 13:46:44 -05:00
Joe Taylor	c50134691d	Adjustments to test_q65 for wider submodes.	2020-12-05 13:46:07 -05:00
Joe Taylor	742e2ef59f	Fix pctile for larger arrays.	2020-12-05 11:09:27 -05:00
Joe Taylor	9f8336de4e	Code cleanup.	2020-12-05 11:09:15 -05:00
Joe Taylor	077811ae6d	Update q65params.f90.	2020-12-05 11:03:16 -05:00
Joe Taylor	6416777278	Set ':' as the "mode character" for Q65.	2020-12-04 15:55:03 -05:00
Joe Taylor	8b9b71c894	Fix the "off by one" issue in measuring f0 for list decodes.	2020-12-04 15:37:54 -05:00
Joe Taylor	3dd34e13ba	dd "MyCall DxCall DxGrid" to list. Set PLOG_MIN=-240. No list decoding if DxCall is not defined.	2020-12-04 15:29:46 -05:00
Joe Taylor	aaf832cbd2	Revert "Threshold in q65_sync.f90 increased to -250 only for reports. Assumes that the list is in the order defined in q65_set_list.f90 (reports are at indexes 5..56). Beware if q65_set_list is changed!!!" ... This reverts commit bb08150e4b.	2020-12-04 12:56:45 -05:00
Joe Taylor	978ea0f3b5	Revert "forgot to uncomment fort.55 output. corrected" ... This reverts commit 72bc2572e6.	2020-12-04 12:56:23 -05:00
Nico Palermo/IV3NWV	72bc2572e6	forgot to uncomment fort.55 output. corrected	2020-12-04 10:07:56 +01:00
Nico Palermo/IV3NWV	bb08150e4b	Threshold in q65_sync.f90 increased to -250 only for reports. Assumes that the list is in the order defined in q65_set_list.f90 (reports are at indexes 5..56). Beware if q65_set_list is changed!!!	2020-12-04 09:43:41 +01:00
Joe Taylor	53e4052b8c	Q65 additions for diagnostic purposes.	2020-12-03 14:28:30 -05:00
Bill Somerville	ac6a6d0cd7	Fail wsprd if data directory specified not accessible ... Also fixed trivial memory leak on error exit.	2020-12-03 13:12:12 +00:00
Bill Somerville	3134dd8a60	Removed incorrect pointer declaration, tnx to Rud, K5RUD	2020-12-03 12:20:14 +00:00
Joe Taylor	d1ac5f71e2	Remove several diagnostic writes.	2020-12-01 11:31:52 -05:00
Joe Taylor	df3169ba22	Update test_q65.	2020-12-01 11:24:21 -05:00
Joe Taylor	6b540aaad0	Correct offset in (i,j) indices for selecting s3 from s1.	2020-12-01 11:23:35 -05:00
Nico Palermo/IV3NWV	70e0a84fe8	corrected a compile error. q65_llh declared as an external variable in q65.h and placed in q65.c	2020-12-01 04:13:30 +01:00
Nico Palermo/IV3NWV	68d964b5c7	merged Joe's changes in decode_fullaplist	2020-12-01 03:41:23 +01:00
Nico Palermo/IV3NWV	baf427c358	Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280	2020-12-01 03:26:37 +01:00
Nico Palermo/IV3NWV	5a3dd69331	decode_fullaplist updated. the decoding threshold is now adjusted in function of the number of codewords passed	2020-12-01 03:26:00 +01:00
Joe Taylor	a03758e490	Add a file that was missing.	2020-11-30 17:44:33 -05:00