Steve Franke
1aeaa1715b
Fix up ldpcsim144 for comparisons with ldpcsim128_90.
2018-06-14 09:59:49 -05:00
Steve Franke
5da3986f0a
More work on (128,90) code. ldpcsim128_90 works now.
2018-06-14 09:30:41 -05:00
Steve Franke
3ac119fb99
Progress toward a working ldpc128_90 simulator. Compiles, but does not yet work.
2018-06-13 11:34:00 -05:00
Steve Franke
41920af89a
Add routines that will implement 77-bit messages for MSK144. Initial tests will use a (128,90) code.
2018-06-13 09:40:04 -05:00
Steve Franke
a5837bd5c7
AP decoding now works for type 2 frames. Also cleaned up and simplified AP implementation in ft8b_2.
2018-06-11 15:10:44 -05:00
Steve Franke
6fe9e8f860
Remove the need to re-order the parity-check matrix columns for compatibility with the generator matrix. Redefine the codeword to have the form [91 message bits|83 parity bits].
2018-06-09 13:05:11 -05:00
Steve Franke
68beed88a7
Change to Gray bit to symbol mapping for (174,91) messages.
2018-06-08 16:21:21 -05:00
Steve Franke
a0db6a8a08
Disable AP passes for type 2 frames, for now. Write some diagnostics to lun 81.
2018-06-07 11:40:25 -05:00
Steve Franke
b84602d059
Zero the apsymbols for type 2 frames, for now.
2018-06-06 11:28:44 -05:00
Steve Franke
a23e2b6f8b
Fix a bug that caused some second-decoding-attempt log-likelihoods to become NaN.
2018-06-06 11:21:00 -05:00
Steve Franke
badc639777
Fix a bug in sync8d.f90. Switching between Costas arrays should work now.
2018-06-06 10:59:49 -05:00
Steve Franke
48b60eab71
Make two sync passes, one for each sync array. Label candidates with their type and decode accordingly.
2018-06-05 16:44:52 -05:00
Steve Franke
772b1bd5fa
ft8sim can now generate old (174,87) or new (174,91) frames. Frame type is selected using the itype command line parameter.
2018-06-05 08:40:00 -05:00
Steve Franke
86a5ae6596
costasxcorr is a Gnu Octave script that calculates the cross correlation between Costas arrays.
2018-06-04 14:06:14 -05:00
Steve Franke
c4ee0a2b41
Replace all references to code a with references to code c.
2018-06-04 08:04:22 -05:00
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.
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Modify CMakeLists.txt so that wspr5sim, wspr5d build.
2018-06-04 08:04:22 -05:00
Bill Somerville
03df5baaa0
Deal with strict interpretation if ISO C interop in recent GCC Fortran
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Cast C char array type to Fortran character string using TRANSFER.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8666 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-05-19 20:41:27 +00:00
Steven Franke
75111eef66
Bring some simulation tools up to date.
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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.
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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
Joe Taylor
58939ce011
More changes to accommodate Hounds with compound calls. Fox CQs only every 4 Tx sequences.
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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8651 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-05-09 17:18:08 +00:00
Joe Taylor
1f9b538232
Allow Fox to work Hounds with compound calls. Needs more testing!
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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8650 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-05-09 14:22:19 +00:00
Joe Taylor
58731f8caa
LU=19 shound be opened even if nagain is true; otherwise it will try to write in the exe directory.
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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8646 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-05-01 17:14:21 +00:00
Steven Franke
d99129e196
Add an @nnnn example to the jt49sim usage message.
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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8645 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-04-29 15:06:57 +00:00
Steven Franke
8149fe24be
More work on block detection for dpsk.
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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
073d7d01c9
Remove debug statement so that jt4 files can be simulated. Thanks Roger, W3SZ.
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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8643 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-04-28 13:00:26 +00:00
Joe Taylor
be8c837d85
New simulator jt49sim, replaces both jt4sim and jt9sim. Fix the S/N estimates made for slow/wide JT9 submodes.
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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8639 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-04-25 17:24:58 +00:00
Steven Franke
cfcec4d02f
Add a rudimentary decoder for dpsk test mode. Hardwired sync only so far.
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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
Joe Taylor
79b04fa658
Fox's Reset now clears the arrays of hound callers.
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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8635 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-04-24 14:15:13 +00:00
Steven Franke
bd0d414365
More work on a simulator for dpsk with root-raised-cosine pulses.
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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.
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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.
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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.
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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
Joe Taylor
d0db3f74d6
Further improvements for decoding drifting JT65 signals.
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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8601 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-04-02 18:57:08 +00:00
Joe Taylor
e7e1b3c3cc
Further improvements for decoding drifting JT65 signals.
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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8600 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-04-02 18:07:56 +00:00
Joe Taylor
6d70acef57
Improve AFC action for JT65, especially submodes B and C.
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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8599 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-04-02 17:24:18 +00:00
Steven Franke
67a41a9f1d
Add some simulation tools for binary cpm with sequence detection.
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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.
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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
8b164ba17f
Add crc14.cpp
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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8584 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-03-22 14:18:14 +00:00
Steven Franke
3bb0ec9c78
Minor updates to osd300.f90
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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.
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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
Joe Taylor
dc8e210664
Permit Hounds with a compound callsign to call Fox.
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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8566 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-03-16 18:56:29 +00:00
Joe Taylor
00850ba488
Fix minor formatting alignments, etc.
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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8547 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-03-09 13:26:06 +00:00
Joe Taylor
3a8b2085eb
Update a copyright notice.
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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8544 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-03-07 16:20:40 +00:00
Steven Franke
e0e13e1778
Edit some comments. No functional changes.
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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8530 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2018-02-24 21:40:47 +00:00