Commit Graph

203 Commits

Author SHA1 Message Date
Joe Taylor
ccf5e0daa7 Add a comment to clarify units for 'drift'. 2021-05-29 13:18:11 -04:00
Joe Taylor
a973fa7215 Enable drift compensation only for TRperiod=60, nqd=1, ntol<=100, iavg=0. 2021-05-27 12:25:08 -04:00
Joe Taylor
cf87e74d1d First cut at usable AFC (linear drift compensation) for Q65. 2021-05-27 12:20:20 -04:00
Joe Taylor
0b557adeb1 If q3 decode succeeds, return immediately from q65_dec0(). 2021-05-19 12:16:47 -04:00
Joe Taylor
4dd48551b2 Look for a q[0124] decode in the iavg=0 pass as well as iavg=2. 2021-05-18 16:47:59 -04:00
Joe Taylor
bf1d1dace6 Don't inadvertently erase hiscall and hisgrid in a call to q65_hist(). 2021-05-18 16:33:11 -04:00
Joe Taylor
25148a52e3 Remove more timer calls that are essentially moot. 2021-05-13 16:34:47 -04:00
Steven Franke
c414a3261b Move q65 fortran encoding routines to a separate file. 2021-05-06 09:53:04 -05:00
Steven Franke
f864257838 Merge branch 'develop' into feat-map65-integration 2021-05-06 08:18:10 -05:00
Steven Franke
4efb2ab28f Define 'q65_encoding' module. 2021-05-06 07:28:48 -05:00
Joe Taylor
3f74137d32 Add Q65 modes and optional Doppler spread to mapsim. 2021-05-04 15:46:00 -04:00
Steven Franke
075e0bfd56 Fix uninitialized variables. 2021-05-04 07:47:15 -05:00
Steven Franke
79140b4430 An all-Fortran implementation of Q65 source encoding, CRC calculation, and LDPC coding, for reference. 2021-05-03 12:54:47 -05:00
Joe Taylor
c9b2a3d2cd If no 'hiscall', don't try for a q3 decode. 2021-04-30 08:31:45 -04:00
Joe Taylor
03e67dff47 Trivial code cleanup in q65.g90. 2021-04-27 15:17:18 -04:00
Joe Taylor
83c3dd5482 Comment out several unused definitions. 2021-04-22 09:24:10 -04:00
Joe Taylor
9e9357b970 Implement sensible loop ranges for Fast/Normal/Deep Q65 decoding. 2021-04-21 15:57:54 -04:00
Joe Taylor
69619dd31e Remove an unused variable. Protect against extreme values leading to FPEs. 2021-04-20 15:35:56 -04:00
Joe Taylor
c61e796c50 Fix a possible floating point exception in q65_loops by making s3 allocatable. 2021-04-15 13:52:18 -04:00
Joe Taylor
8e9f43fc03 Cleanup and commenting of q65_hist.f90. 2021-03-19 09:10:04 -04:00
Joe Taylor
ac2954ed0d Save f0 and msg for the most recent 100 decodes. Subsequent double-click on waterfall will look up "hiscall" (and possibly "hisgrid") from the list. 2021-03-18 16:33:46 -04:00
Joe Taylor
d2b4fdad5f Protect against possible bounds error in Q65 snr calculation. 2021-03-17 09:23:24 -04:00
Joe Taylor
61ba34a0b4 Reduce the range i3:14 testing for max when selecting Q65 candidates. 2021-03-16 13:04:24 -04:00
Joe Taylor
06f7ca7c75 Look for average decodes even when we get a single-sequence decode at nfqso. 2021-03-16 11:39:59 -04:00
Joe Taylor
4596ba05a0 Fix a problem with plotting the Q65 sync curves for Q65-120x and Q65-300x. 2021-03-15 17:00:56 -04:00
Joe Taylor
13b6900373 Add plog to the parameters written to q65_decodes.dat. 2021-03-12 14:44:47 -05:00
Joe Taylor
41ce20101f Q65 sync curves linear up to 10, then logarithmic. AutoClrAvg only for decodes at RxFreq, and never for "lagain" decode attempts. 2021-03-12 14:27:58 -05:00
Steven Franke
1d590b81f5 Prevent a crash when widegraph lower limit is 0 Hz. 2021-03-10 13:10:47 -06:00
Joe Taylor
2048b3fec3 Tweaks to the way orance/red (==> single/avg) sync curves are displayed. 2021-03-09 14:41:36 -05:00
Joe Taylor
dda3c9d0cc First cut at displaying a Q65 sync curve for both current sequence and accumulated average. May not be quite right, yet... 2021-03-07 11:41:56 -05:00
Joe Taylor
ce839e1d2e Trying to isolate the cause of bad data appearing in red.dat. 2021-03-05 14:57:26 -05:00
Charlie Suckling
7defc8846d
Adds Single Tone capability to q65sim 2021-03-04 11:15:54 +00:00
Joe Taylor
19512c00f1 More tweaks to the Fast?normal/Deep settings in Q65 mode. 2021-02-25 12:45:07 -05:00
Joe Taylor
94c31572d2 More tweaks to the Fast/Normal/Deep parameters. 2021-02-23 16:13:46 -05:00
Joe Taylor
0765a1cc06 Working on tweaks to the Fast/Normal/Deep decoding options. 2021-02-23 11:32:38 -05:00
Joe Taylor
7192f53e68 Code cleanup. 2021-02-19 09:47:30 -05:00
Joe Taylor
b156ecd3a1 New method for measuring SNR of decoded Q65 signals. 2021-02-19 09:44:03 -05:00
Joe Taylor
23eb287449 Correct a typo. 2021-02-16 12:55:59 -05:00
Joe Taylor
10e08b0e94 Much better algorithm for detecting and removing birdies in Q65. 2021-02-12 13:26:22 -05:00
Joe Taylor
1aad2fdbda Q65: Supppress birdies and don't display decode lines with blank message. 2021-02-11 11:30:35 -05:00
Joe Taylor
3962a1eeba Merge branch 'release-2.4.0' of bitbucket.org:k1jt/wsjtx into release-2.4.0 2021-02-10 13:56:56 -05:00
Joe Taylor
6395087e6f Tweak the averaging scheme: now straight avg up to N=4, then expenential with ntc=4. 2021-02-10 11:14:46 -05:00
Charlie Suckling
b58ce90a9f
Now generates a filename for 15s periods that works with averaging 2021-02-09 13:47:40 +00:00
Charlie Suckling
d91404bbb1
Modification to make filenames compatible with Q65 averaging 2021-02-09 13:47:33 +00:00
Joe Taylor
a6779ecda3 Use exponential message averaging (ntc=3) rather than simple sums in Q65. 2021-02-08 11:10:02 -05:00
Joe Taylor
3ccf949691 Save nrc (number of q[0124] iterations) to q65_decodes.dat. 2021-02-08 09:24:16 -05:00
Joe Taylor
9ca57f9a5c Protect against a possible bounds error. 2021-02-02 11:39:29 -05:00
Joe Taylor
5850317de0 Speed improvements for Q65 multi-decode. 2021-02-02 09:27:40 -05:00
Joe Taylor
7d069c5617 Don't get too close to the Wide Graps frequency limits. 2021-02-01 15:52:25 -05:00
Joe Taylor
34cb4c502d Eliminate some redundant candidates. 2021-02-01 14:23:49 -05:00