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4,212 Commits 5 Branches 98 Tags 208 MiB
689711ff1f
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186 Commits

Author SHA1 Message Date
Steve Franke
689711ff1f Add definitions for a new and improved (174,91) code - called code c 2018-06-04 08:04:22 -05:00
Steve Franke
01a380084d Changes to make it easier to test different codes. 2018-06-04 08:04:22 -05:00
Steve Franke
358081f280 Changes necessary to build ldpcsim174_91.f90. 2018-06-04 08:04:22 -05:00
Steve Franke
87f5510999 ldpcsim174_91 now works 2018-06-04 08:04:22 -05:00
Steve Franke
84c153f9a9 Really add the new encoder and decoders. 2018-06-04 08:04:22 -05:00
Steve Franke
7a228d8f7d Starting to implement a (174,91) code. 2018-06-04 08:04:22 -05:00
Steve Franke
aeee9b62bb Hack CMakeLists.txt so that repo will build. 
Modify CMakeLists.txt so that wspr5sim, wspr5d build.
 2018-06-04 08:04:22 -05:00
Steven Franke
75111eef66 Bring some simulation tools up to date. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8664 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-05-18 15:04:15 +00:00
Joe Taylor
70768618b8 Correct typo in a comment. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8663 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-05-17 18:32:11 +00:00
Steven Franke
8149fe24be More work on block detection for dpsk. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8644 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-04-28 22:18:19 +00:00
Steven Franke
cfcec4d02f Add a rudimentary decoder for dpsk test mode. Hardwired sync only so far. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8637 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-04-24 16:37:29 +00:00
Steven Franke
bd0d414365 More work on a simulator for dpsk with root-raised-cosine pulses. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8632 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-04-22 19:51:31 +00:00
Steven Franke
92a45a68c6 More work on dpsk simulator. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8611 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-04-13 00:26:47 +00:00
Steven Franke
8772a101dc Add some development routines. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8604 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-04-08 17:07:08 +00:00
Steven Franke
1f9d73963b Update wsprcpm simulator and decoder. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8603 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-04-03 14:55:55 +00:00
Steven Franke
67a41a9f1d Add some simulation tools for binary cpm with sequence detection. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8586 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-03-22 14:21:39 +00:00
Steven Franke
2786c20ba2 Add support for a rate 1/3 (204,68) code. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8585 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-03-22 14:20:07 +00:00
Steven Franke
3bb0ec9c78 Minor updates to osd300.f90 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8583 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-03-22 14:04:17 +00:00
Steven Franke
29c60f5f42 Update a development tool. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8582 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-03-22 14:00:27 +00:00
Steven Franke
affa853609 Fix some bugs in simulators, add pre-processing rules to osd300.f90. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8426 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-01-20 18:45:40 +00:00
Steven Franke
db1454e927 Add reference for spb calculation. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8405 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-01-12 22:48:33 +00:00
Steven Franke
850518aa27 Add spb.m - a gnu octave script to calculate the sphere packing bound. Only tested for low SNR and short block lengths. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8399 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-01-10 19:43:34 +00:00
Steven Franke
4f0e73f68f Tweaks to simulators. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8398 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-01-07 15:26:43 +00:00
Steven Franke
128b8a70d2 Files that will eventually comprise a wspr simulator, in Fortran. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8397 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-01-07 04:37:02 +00:00
Steven Franke
cb503e89f1 Make nutc print correctly when processing simulated JT65 files. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8386 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-01-01 17:03:55 +00:00
Steven Franke
6155a57861 Remove more unused code. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8246 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2017-11-18 23:23:52 +00:00
Steven Franke
2620401b4b Remove some test code. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8245 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2017-11-18 23:11:35 +00:00
Steven Franke
f039bc6625 Label JT65 AP decodes as such. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8220 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2017-11-05 14:44:15 +00:00
Steven Franke
487cebf09c Experimental implementation of AP decoding for JT65 - configured for testing only. Not usable on the air. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8219 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2017-11-04 17:03:56 +00:00
Steven Franke
d78f2dda18 Fix typo. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8218 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2017-11-04 00:51:52 +00:00
Steven Franke
a5e10b9967 Some changes to facilitate experimentation. 
1. Send nQSOProgress into jt65 decoder.
2. Add experimental version of extract.f90.
3. Change CMakeFile.txt to use experimental routines.



git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8217 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2017-11-04 00:40:08 +00:00
Steven Franke
ebe5ec5b2e Add an experimental routine. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8212 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2017-11-02 21:21:29 +00:00
Steven Franke
207aefb8d0 Changes to a test program. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8209 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2017-11-02 16:11:07 +00:00
Steven Franke
a45f1f079c Refine a test program and add comments. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8203 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2017-10-31 19:51:21 +00:00
Steven Franke
71137e9729 Add some experimental routines. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8201 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2017-10-30 21:35:44 +00:00
Steven Franke
2e9a64aebe Move FT8 files into their own directory. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8200 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2017-10-30 21:30:14 +00:00
Joe Taylor
3cde83ceb5 Special DXpedition messages must not have the FreeText bit set. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8155 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2017-10-02 14:15:15 +00:00
Joe Taylor
8ea602648c First tests of "RR73 NOW ..." and "NIL NOW ..." (i3bit=1, 2) messages in FT8. 
DO NOT USE THIS FEATURE ON THE AIR!


git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8120 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2017-09-25 17:02:52 +00:00
Steven Franke
851bfc8e9a Restore the use of max-amplitude for ap passes. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8094 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2017-09-17 20:43:30 +00:00
Steven Franke
b6740eb437 Experimental tweak to FT8 decoder. Try a second symbol metric if the first one fails - currently configured to use max-amplitude and max-log. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8093 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2017-09-17 15:34:32 +00:00
Steven Franke
04731ca1ae Open up DT range to +/- 2.5 s for testing. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8085 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2017-09-13 00:46:16 +00:00
Steven Franke
4d5331899b When using click-to-decode in FT8 (nagain=.true.), the regular noise baseline estimator fails, producing erroneous and very large SNR estimates. Revert to the older signal-to-noise-plus-interference calculation for click-to-decode. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8076 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2017-09-09 18:09:18 +00:00
Bill Somerville
dd1362b69a Rationalize NA contest mode 
Generic message packing and unpacking routines now understand antipode
grid contest messages.  These messages  are now recognized as standard
messages in  message response processing and  dealt with appropriately
when contest mode is selected and applicable (currently FT8 and MSK144
only).

git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8062 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2017-09-01 20:10:35 +00:00
Steven Franke
89e3e989ca Fix a potential array bounds issue in osd174.f90. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8040 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2017-08-28 21:09:44 +00:00
Joe Taylor
a3c65d72bb Fix the 'Start=0 ==> S/N = -24 dB' problem. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8037 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2017-08-27 12:26:37 +00:00
Joe Taylor
021336823a Use a baseline-fitting procedure to improve S/N estimates for FT8. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8036 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2017-08-26 16:30:47 +00:00
Steven Franke
e212e76de0 More cleanup. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8033 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2017-08-22 00:21:59 +00:00
Steven Franke
50555def5c Delete unused array. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8032 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2017-08-22 00:17:23 +00:00
Steven Franke
d5d8abc29a 1. Improvements to the OSD to allow deeper wideband decoding. 2. Add a third decoding pass. 3. Change symbol metric from max-log to max-amplitude. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8031 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2017-08-22 00:14:51 +00:00
Steven Franke
4a3cd7222f Improve efficiency of OSD by a factor of 5 to 10 for norder=2 and 3. Use norder=2 for wideband multi-decoding, norder=3 near nfqso and nftx. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8022 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2017-08-13 01:35:13 +00:00