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4,300 Commits 5 Branches 98 Tags 208 MiB
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1544 Commits

Author SHA1 Message Date
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. 
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 
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. 
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
Joe Taylor
58939ce011 More changes to accommodate Hounds with compound calls. Fox CQs only every 4 Tx sequences. 
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! 
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. 
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. 
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. 
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. 
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. 
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. 
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. 
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. 
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
Joe Taylor
d0db3f74d6 Further improvements for decoding drifting JT65 signals. 
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. 
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. 
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. 
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
8b164ba17f Add crc14.cpp 
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 
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
Joe Taylor
dc8e210664 Permit Hounds with a compound callsign to call Fox. 
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. 
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. 
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. 
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
Steven Franke
0ce5de0f28 Another round of tweaks to wsprd. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8500 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-02-12 01:13:03 +00:00
Steven Franke
0a21abd6bc Move wsprd_exp.c into wsprd.c. Change CMakeLists.txt so that it builds wsprd.c. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8497 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-02-11 21:36:52 +00:00
Steven Franke
e7077b4842 When called with -B, make second-pass the same as it was before block detection was introduced. This will be obtained with the Normal decode setting in WSJT-X. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8496 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-02-11 21:13:41 +00:00
Steven Franke
0829cdb98c Fix memory allocation error. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8494 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-02-11 19:06:31 +00:00
Steven Franke
4f96fbd1ca Use calloc instead of malloc with init loop. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8493 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-02-11 18:33:16 +00:00
Steven Franke
0eb941e082 Fixed numerous memory leaks in wsprd with the help of valgrind.. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8492 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-02-11 17:29:38 +00:00
Steven Franke
de2e6e1a2c Remove some unused variables. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8489 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-02-11 02:24:05 +00:00
Joe Taylor
8109155280 Implement "CQ n MyCall", to be used by Fox to invite calls from selected call area. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8485 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-02-08 21:33:41 +00:00
Steven Franke
5b70c7dcff Do a6 when Tx1 is selected. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8480 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-02-08 14:30:04 +00:00
Steven Franke
f97808cf96 When Tx6 is selected, look for MyCall DxCall DxGrid. When Tx1 is selected, look for CQ DxCall DxGrid. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8478 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-02-08 02:16:37 +00:00
Steven Franke
cf1021d1c7 Add a new AP type for JT65 to support skeds (as recommended by Charlie G3WDG and Rex VK7MO). 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8477 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-02-07 22:45:26 +00:00
Steven Franke
7578126454 Prevent a crash caused by a certain type of false decode. Update copyright date. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8452 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-02-03 16:31:22 +00:00
Joe Taylor
c470611cc9 Test program to exercise features of the "WSPR QSO mode" that was tested briefly in 2008. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8446 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-01-31 15:45:06 +00:00
Joe Taylor
5d1df32387 Replace some temporarily removed code in ft8b, and some general cleanup. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8443 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-01-30 16:57:14 +00:00
Joe Taylor
910e18d042 Minor updates to ft8code.f90. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8442 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-01-30 16:13:56 +00:00
Joe Taylor
5f9dec3997 Add a required file. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8441 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-01-30 15:28:03 +00:00
Joe Taylor
c1bd6060dd New utility program ft8code. Remove unused references to recent_calls() in FT8 mode. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8440 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-01-30 15:25:10 +00:00
Joe Taylor
1022a55665 Somewhat pedantic, but better not to call "hash code" a CRC. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8437 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-01-26 19:12:10 +00:00
Joe Taylor
2746af1581 Fix allocation logic for allocatable array sw. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8436 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-01-26 18:41:09 +00:00
Steven Franke
b5a2f42033 Generalize osd174.f90 to permit deeper decoding, but keep depth settings as they were.1 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8428 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-01-21 17:53:36 +00:00
Steven Franke
4f7c7f6a09 Make NA VHF Contest mode work when in FT8 mode. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8427 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-01-21 15:30:11 +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
Joe Taylor
658aa40bd1 Deallocate sw if allocated. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8418 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-01-17 18:08:15 +00:00
Joe Taylor
9381a13388 Deallocate the sw array on program exit. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8417 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-01-17 17:56:01 +00:00
Joe Taylor
9cf1edd239 New versions of plotsave, replot, etc. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8415 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-01-17 16:41:07 +00:00
Joe Taylor
99fdec2b23 Temporary commit of plotsave-related code. Not finished! 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8414 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-01-17 15:32:45 +00:00
Steven Franke
f1aafe76c7 Clean up wsprd_exp. Build WSJT-X with wsprd_exp, for testing. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8408 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-01-13 03:26:54 +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
9f9932b560 New scheme - first pass is same as stock wsprd with blocksize=1; second pass tries blocksizes {1,2,3}. Drift estimation is turned off on second pass for smaller frequency estimate variance. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8404 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-01-12 22:47:59 +00:00
Joe Taylor
b27f51bbe3 Improve sensitivity of waterfall for detecting weak narrowband signals. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8403 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-01-12 20:40:15 +00:00
Steven Franke
2697ad1d56 Don't write blocksize to wsprd.spots because it seems to corrupt the spots sent to wsprnet. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8402 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-01-12 01:54:33 +00:00
Steven Franke
ae5e00d83c Restrict max blocksize to [1,2,3]. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8401 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-01-11 23:49:03 +00:00
Steven Franke
fc6389d3ce Loop over all blocksizes, write successful blocksize to ALL_WSPR.TXT. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8400 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-01-11 23:35:11 +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
e8e2d57cc2 Make the sequence detector work for arbitrary frequency offsets. Assume drift=0 for now. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8396 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-01-05 21:57:15 +00:00
Steven Franke
3ea288b97a Add new command line option (-f) to set simulated signal's frequency offset. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8395 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-01-04 17:40:33 +00:00
Steven Franke
62eabdba8e Sequence detector block length is set from command line using -b <nblock>. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8394 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-01-02 03:11:43 +00:00
Steven Franke
e2c76b5991 Experimental noncoherent block sequence detector for wspr. Not yet completely functional. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8393 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-01-02 02:16:44 +00:00
Steven Franke
d79e413da5 Make wsprsim.c accept non-integer SNR 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8392 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-01-02 01:16:13 +00:00
Steven Franke
b7543dce08 When SNR>90 dB is specified, simulated signal is noiseless. If Doppler spread is nonzero, then signal will have random peak amplitude. In this case normalize the signal so that peak amplitude=32767. 
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8391 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
 2018-01-02 00:13:21 +00:00