Commit Graph

10776 Commits

Author SHA1 Message Date
Joe Taylor
391536f35a WIP in q65 sync scheme for superfox. 2024-02-26 12:32:25 -05:00
Joe Taylor
6d4372cafe More work toward testing Q65-style sync. 2024-02-25 20:31:21 -05:00
Joe Taylor
4491da67f7 Work in progress toward trying a Q65-style sync. 2024-02-25 10:10:51 -05:00
Joe Taylor
b25e7fce8c Code cleanup in sfox_sync. 2024-02-24 17:06:11 -05:00
Joe Taylor
665e18f656 Omit display of 'worst', it's no longer very useful. 2024-02-24 17:04:14 -05:00
Joe Taylor
25b6df82fe Some format adjustments. 2024-02-24 10:42:27 -05:00
Joe Taylor
7c7a985bfe One more try, on the ccf index limits. 2024-02-23 15:12:19 -05:00
Joe Taylor
12bda0f84e Better protection of edge values of ccf array indexes. 2024-02-23 14:52:02 -05:00
Joe Taylor
161f456101 Tweaks to sfox_sync routine. 2024-02-23 14:42:09 -05:00
Joe Taylor
577f6f3097 Clean up sync routine; add 'peakup' in f and t directions. 2024-02-23 14:33:11 -05:00
Joe Taylor
6d72b295c8 Put the sync values into a data statement. 2024-02-23 13:49:22 -05:00
Joe Taylor
1b9071fd8c Good working model with random sync symbols rather than sweeping sync. 2024-02-23 10:44:49 -05:00
Joe Taylor
12bcddf366 Revert "Compile the random sync pattern into sfox_mod."
This reverts commit baec5dcfd2.
2024-02-22 14:57:17 -05:00
Joe Taylor
532c808316 Revert "Revert "Input ts (approx tsync) from command line.""
This reverts commit 863ac4fd3d.
2024-02-22 14:56:52 -05:00
Joe Taylor
863ac4fd3d Revert "Input ts (approx tsync) from command line."
This reverts commit fada229d83.
2024-02-22 14:55:10 -05:00
Joe Taylor
baec5dcfd2 Compile the random sync pattern into sfox_mod. 2024-02-22 14:45:36 -05:00
Joe Taylor
fada229d83 Input ts (approx tsync) from command line. 2024-02-22 14:35:41 -05:00
Joe Taylor
8948daabb0 Remove diagnostic print. 2024-02-22 14:26:38 -05:00
Joe Taylor
523023fe65 Code cleanup after changing sync scheme. 2024-02-22 14:25:17 -05:00
Joe Taylor
0c03b9fc00 Revert to old-style sync scheme, using symbol length same as for data. 2024-02-22 13:41:09 -05:00
Joe Taylor
b1e2a54f91 Break the sweeping sync tone into pieces with different frequency offsets and slopes. Needs testing! 2024-02-21 15:28:36 -05:00
Joe Taylor
f1e4f998ce Merge branch 'superfox' of bitbucket.org:k1jt/wsjtx into superfox 2024-02-21 14:59:17 -05:00
Joe Taylor
0393d7bd7c More code cleanup; possible scheme for more frequency diversity in sync. 2024-02-21 14:57:44 -05:00
Steven Franke
f99e906a59 Add noise to the output of watterson.f90 instead of the input. 2024-02-21 13:21:05 -06:00
Joe Taylor
f896df064d Complete the process of separating calculation of the sync waveform. 2024-02-21 13:49:25 -05:00
Joe Taylor
254a15b4f6 Move the sweep generator into a separate routine. 2024-02-21 13:44:20 -05:00
Joe Taylor
d44d00453f Replace many instances of 12000.0 with fsample. 2024-02-21 13:33:37 -05:00
Joe Taylor
2effe7e4c7 Reset ftrsd ntrials to 1000. 2024-02-21 09:23:45 -05:00
Joe Taylor
d12e16c7d1 Add an option in sfoxtest for simulations with hard-wired sync. 2024-02-20 09:07:02 -05:00
Steven Franke
61711e905d Add Eb/No to sfoxtest output. 2024-02-20 07:46:48 -06:00
Joe Taylor
cc6e7b1c16 Merge branch 'superfox' of bitbucket.org:k1jt/wsjtx into superfox 2024-02-19 14:33:04 -05:00
Joe Taylor
2a95463c80 Correct the computed duration of a SuperFox transmission, in sfoxtest. 2024-02-19 14:32:15 -05:00
Steven Franke
2346145fba Merge remote-tracking branch 'refs/remotes/origin/superfox' into superfox 2024-02-19 13:30:47 -06:00
Steven Franke
7ce6e29a7e Make watterson.f90 spreading function the same as that used in ITU report ITU-R F.1487. 2024-02-19 13:21:03 -06:00
Joe Taylor
d234986165 Add optional code to q65sim to confirm calkibration of SNR_2500. 2024-02-19 13:52:37 -05:00
Joe Taylor
fb19d27602 Compute signal power, noise power, and SNR_2500 explicitly in ft8sim.f90. 2024-02-19 13:23:42 -05:00
Steven Franke
ec0c31d849 Make ftrsd3 work better for a (127,48) Reed Solomon code. 2024-02-18 12:45:29 -06:00
Steven Franke
d438f91845 Make ftrsd3 work with (127,48) 128-ary code. 2024-02-18 11:18:47 -06:00
Steven Franke
5c53a43171 Reconcile the SNR of simulated complex and real noisy signals. 2024-02-17 10:00:33 -06:00
Joe Taylor
cdcdedfe40 Temporary code (### commented out ###) for calibrating SNR. 2024-02-16 16:11:01 -05:00
Joe Taylor
40331f3c1f Add timer calls to sfoxtest. 2024-02-16 10:51:27 -05:00
Joe Taylor
faf0554cbf Soft-decision RS decoding now basically working. Needs better tuning, no doubt. 2024-02-15 15:46:09 -05:00
Joe Taylor
8a2e3e50d9 Commit ftrsd3.c. (Not used at present, and not fully updated from ftrsd2.c.) 2024-02-15 14:14:51 -05:00
Joe Taylor
93fd8246fb Ann new file getpp3.f90. 2024-02-15 14:12:45 -05:00
Joe Taylor
17d9c6bf81 Print column headings on first isnr pass. 2024-02-15 13:36:48 -05:00
Joe Taylor
50f9c73ad3 Merge branch 'superfox' of bitbucket.org:k1jt/wsjtx into superfox 2024-02-15 13:27:00 -05:00
Joe Taylor
33aa347e24 Correct the argument list in second call to sfox_gen(). 2024-02-15 13:24:06 -05:00
Joe Taylor
09f456d6a3 Add new file ftrsd3.f90. 2024-02-15 08:53:44 -05:00
Joe Taylor
d7d8a70322 Add untested Fortran routuine ftrsd3.f90. 2024-02-14 17:51:55 -05:00
Joe Taylor
f21f37ad05 Correct the definition of fspread in watterson.f90. 2024-02-14 16:30:37 -05:00