Steve Franke
24f4792b23
Fix incorrect reference to extract77 - should have been unpack77
2018-07-03 15:59:24 -05:00
Steve Franke
c4e6a310aa
Turn off ap symbol generation for type 2 messages. This needs to be completely reworked once basic functionality is established.
2018-07-03 15:49:39 -05:00
Steve Franke
57ebc30369
Call the new extract77 in ft8b_2. Define msg37 and msgsent37 to replace their 22-bit predecessors.
2018-07-03 15:34:39 -05:00
Steve Franke
bb12c7424d
Module packjt77.f90 includes the 77bit utility programs called by pak77 and unpack77. Modify genft8_174_91.f90 to generate type 2 messages.
2018-07-03 15:08:38 -05:00
Steve Franke
cf64cad091
Send m_i3, m_n3, m_isync from mainwindow to genft8.f90 and use these to determine the type of generated message, according to the scheme described in lib/77bit/NewCode.txt.
2018-07-03 14:37:50 -05:00
Joe Taylor
d6493a62fa
Merge branch 'integrate-77bit' of https://bitbucket.org/k1jt/wsjtx into integrate-77bit
2018-07-03 14:18:55 -04:00
Joe Taylor
854a7f2a5c
NewCode.txt describes some necessary code additions.
2018-07-03 14:17:49 -04:00
Steve Franke
9295726931
Fix the sign of i3 when trying to subtract a type message.
2018-07-03 11:24:42 -05:00
Steve Franke
385cda8e01
Comment out a debug message.
2018-07-03 11:17:21 -05:00
Steve Franke
3f897225fe
genft8 now looks at sign of n3 and i3. If either sign is negative, generate a type 1 (classic) message. Otherwise generate type 2. Type 1 seems to work. Type 2 does not yet work.
2018-07-03 11:10:47 -05:00
Steve Franke
cf7a2eded5
Merge branch 'integrate-77bit' of bitbucket.org:k1jt/wsjtx into integrate-77bit
2018-07-03 09:50:25 -05:00
Steve Franke
91b7544ba1
More progress toward switching to (i3,n3). wsjtx runs without crashing now.
2018-07-03 09:49:11 -05:00
Joe Taylor
2c0286f301
Merge branch 'integrate-77bit' of https://bitbucket.org/k1jt/wsjtx into integrate-77bit
2018-07-03 10:40:18 -04:00
Joe Taylor
2963e8c19a
Add a m_config.bNoSpecial() function.
2018-07-03 10:38:50 -04:00
Steve Franke
c39dd63f79
Send (i3,n3) from mainwindow to genft8. First steps at interpreting (i3,n3) to send itype=1 for classic messages and itype=2 otherwise. Very buggy at this stage.
2018-07-03 09:28:16 -05:00
Joe Taylor
d6c0d1d878
Add a To Do list -- always subject to revision!
2018-07-03 08:26:16 -04:00
Steve Franke
5fc4fe6eda
Fix an off-by-one error. Remove attempt to refine DT estimate using polynomial interpolation.
2018-07-02 16:13:27 -05:00
Steve Franke
acb25dd13c
Merge in K1JT's 77bit message code.
2018-06-30 15:47:33 -05:00
Steve Franke
26de3219d3
Fix an off-by-one problem.
2018-06-30 14:56:19 -05:00
Joe Taylor
251b2c6ce9
Fix bugs for several more edge cases.
2018-06-29 20:11:24 -04:00
Joe Taylor
023b76400b
Add a few more test messages.
2018-06-29 13:36:05 -04:00
Joe Taylor
2da8f51fc2
Fix bugs for a few edge-case messages. Add some test files.
2018-06-29 12:02:29 -04:00
Joe Taylor
18a839963f
Change to 12-bit hash in msg type 4, to accommodate CQ calls.
2018-06-28 15:26:54 -04:00
Joe Taylor
190aef8a36
Add column headings for encode77.
2018-06-28 14:12:05 -04:00
Joe Taylor
5465abaa72
Make encode77 default to reading from "messages.txt".
2018-06-28 13:17:32 -04:00
Joe Taylor
4946d01edb
Put <...> around callsign recovered from hash table.
2018-06-28 13:07:01 -04:00
Joe Taylor
1d0ffcfdca
Change 24-bit hash to 22-bit hash.
2018-06-28 11:48:42 -04:00
Joe Taylor
0b8d2b620f
Rename a data file.
2018-06-27 20:33:17 -04:00
Joe Taylor
7a855f1fd5
Correct several minor bugs.
2018-06-27 20:19:48 -04:00
Joe Taylor
617b0bffc8
Nearly finished with pack77/unpack77.
2018-06-27 16:41:58 -04:00
Steve Franke
83d81bdcd2
Streamline the sequence detector code.
2018-06-27 15:11:39 -05:00
Joe Taylor
983cd3f31c
More additions to pack77/unpack77 routines.
2018-06-27 15:07:04 -04:00
Joe Taylor
c007b0f4cd
Add a file with wide variety of test cases for pack28/unpack28.
2018-06-27 11:23:27 -04:00
Joe Taylor
d4784ef7dc
More work on pack28/unpack28, and a test28 program.
2018-06-27 11:08:39 -04:00
Steve Franke
229ee09b99
Minor code cleanup.
2018-06-27 09:55:34 -05:00
Joe Taylor
12e0def237
Implement special tokens CQ, DE, QRZ, ... in pack28/unpack28.
2018-06-27 08:57:13 -04:00
Joe Taylor
acd6d5cab9
Fix some bugs for more varied example messages.
2018-06-26 21:00:53 -04:00
Joe Taylor
c75a270872
Finish decoding of Types 1 and 3 (except for rpt/RRR/RR73/73).
2018-06-26 16:47:16 -04:00
Joe Taylor
b0636b561b
Basic function for message Types 0.0-0.5 and Type 1.
2018-06-26 16:34:38 -04:00
Joe Taylor
9d5a2e6f5a
Through type 0.3.
2018-06-26 15:20:39 -04:00
Joe Taylor
9ccb96397d
source-encode/decode of 77-bit messages OK through type 0.3.
2018-06-26 15:13:15 -04:00
Joe Taylor
2006fde28c
Completed pack77/unpack77 through message Type 0.2. Still more to do!
2018-06-26 13:55:12 -04:00
Steve Franke
03abada09b
More progress on sequence demodulator. Can now do nsymb=1,2, and/or 3.
2018-06-26 11:11:58 -05:00
Joe Taylor
0adcfc667f
Add files for source encoding and decoding of 77-bit messages.
2018-06-26 08:33:13 -04:00
Steve Franke
7684bd0e78
Work toward a generalized sequence detector for nsymbols=1, 2, or 3. Works for nsymbol=3, but not yet for nsymbol=1, or 2.
2018-06-25 17:01:34 -05:00
Joe Taylor
bd5aec3f31
More tweaks to description of 77-bit message types.
2018-06-23 15:15:10 -04:00
Joe Taylor
539ec3d465
test
2018-06-23 12:15:47 -04:00
Joe Taylor
35b53766cb
Add info on 28-bit integers used for standard callsigns.
2018-06-23 11:54:40 -04:00
Joe Taylor
7266d407ff
Amended rules for 77-bit message types.
2018-06-22 16:36:14 -04:00
Steve Franke
0f5759270e
Added 2-symbol sequence detection for proof-of-concept tests.
2018-06-22 11:20:28 -05:00
Joe Taylor
2edcebef40
Further progress toward defining the 77-bit message types.
2018-06-21 15:38:08 -04:00
Joe Taylor
96f3fa5810
Add directory 77bit and its contents.
2018-06-21 10:51:19 -04:00
Joe Taylor
f8bb7f4477
Implement a valid scheme for computing S/N in JT4 mode.
2018-06-18 13:41:26 -04:00
Steve Franke
3f8c218ebe
Make changes to ft8b_2.f90 to accommodate the new 77-bit in/out encoding/decoding routines. With these changes, WSJT-X decodes (174,91) frames.
2018-06-17 12:11:32 -05:00
Steve Franke
1a31e5b2d6
For (174,91) code, move CRC generation and testing into encode and decode routines. Make ldpcsim174_91.f90 work with the new encode/decode routines.
2018-06-17 08:44:10 -05:00
Steve Franke
2cdb164446
Move CRC13 creation into encode128_90.f90 and CRC checking into bpdecode128_90.f90.
2018-06-16 16:42:02 -05:00
Steve Franke
e16e78790a
Create chkcrc13a.f90. Should chkcrc12a, chkcrc13a, and chkcrc14a be combined into one routine?
2018-06-16 09:04:51 -05:00
Steve Franke
c18338b83b
Fix the calculation of symbol error probability.
2018-06-16 09:03:32 -05:00
Steve Franke
6846964170
Add 'code b' - a better (128,90) code. Code b has irregular column weights - 80% weight 3 and 20% weight 4.
2018-06-14 15:38:58 -05:00
Joe Taylor
67b5c80e1a
Update the contest ideas.
2018-06-14 11:31:16 -04:00
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
Joe Taylor
0344c14f99
Add the white paper digi-contest.txt.
2018-06-14 10:14:30 -04:00
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
9b63fe6ac7
Fix a bug in ldpcsim144 so that nerrhisto.dat is calculated and printed.
2018-06-12 16:00:06 -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
a3d9cf8bcd
Fix a bug that could cause all log-likelihoods to be NaN in some cases.
2018-06-07 14:24:35 -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