Steve Franke
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13b5cc479b
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Fix and re-enable polyfit SNR.
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2018-09-26 08:29:01 -05:00 |
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Steve Franke
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669d54197d
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Polynomial-fit SNR is still not right. Disable it again, for now.
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2018-09-24 19:36:30 -05:00 |
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Steve Franke
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591de66a31
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Fix up SNR calculation so that it reverts to SJF SNR when polyfit SNR is not sane.
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2018-09-24 19:04:34 -05:00 |
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Steve Franke
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9075fef228
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Revert to Steve's SNR estimator, for now.
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2018-09-24 17:40:14 -05:00 |
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Steve Franke
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332a3f1561
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Calibrate noise-baseline-fit based SNR estimate for FT8 v2 and print those estimates with decodes.
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2018-09-23 13:03:20 -05:00 |
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Steve Franke
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642540ff8f
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unpack77 now returns logical variable unpk77_success, which will be .false. if there is something obviously wrong with the message. Still to do: set the flag if the unpacked message contains CQ in an implausible place.
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2018-09-12 15:06:26 -05:00 |
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Joe Taylor
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201b29993c
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More fixes related to nonstandard calls.
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2018-08-29 14:18:56 -04:00 |
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Steve Franke
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f7d423296f
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Minor code cleanup.
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2018-07-29 17:15:02 -05:00 |
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Steve Franke
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b67589d29f
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Bring isync=1 message simulator, ft8sim, up to date. Fix ap decoding for isync=1 messages.
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2018-07-29 16:29:11 -05:00 |
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Steve Franke
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df0b5e2622
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Progress on AP decoding for 77bit messages. AP is basically working for regular i3=1 messages.
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2018-07-28 17:32:45 -05:00 |
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Steve Franke
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bee1ecd109
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Detect and reject messages with invalid i3 and or n3.
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2018-07-28 08:50:50 -05:00 |
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Joe Taylor
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017629ac36
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Suppress any "QU1RK" decodes, they are necessarily bad.
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2018-07-27 10:43:58 -04:00 |
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Steve Franke
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59f713ba76
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The change committed to decodedtext.cpp fixes a crash that occurred when processing certain isync=2 decodes. Is this the right fix? Other changes are minor code cleanups.
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2018-07-17 17:48:23 -05:00 |
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Joe Taylor
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2c5dd053f3
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Don't send "mygrid" where it's no longer needed.
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2018-07-11 16:32:08 -04:00 |
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Joe Taylor
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c1e71a46ef
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Remove more "bcontest" stuff from Fortrn code.
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2018-07-10 15:32:59 -04:00 |
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Steven Franke
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e7b19b29b0
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Screen out FT8 decodes with excessively large number of hard errors. These are almost certainly undetected errors.
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2018-07-08 13:29:12 +00:00 |
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Steve Franke
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42f75bf404
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Fix graymap.
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2018-07-07 08:18:31 -05:00 |
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Joe Taylor
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e5e81e01fb
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Make packjt77 into a module; move all its routines into file packjt77.f90.
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2018-07-05 14:07:17 -04:00 |
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Steve Franke
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ed92d5a86c
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SNR estimator is broken for isync=2 messages, due to different signal normalization. For now, go back to SJF's old signal/(noise+interference) estimator.
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2018-07-04 16:58:24 -05:00 |
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Steve Franke
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a448dc5640
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Use 37 character message for de-duping. Comment out some code that needs to be updated to work with new message type.
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2018-07-04 16:20:12 -05:00 |
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Steve Franke
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df652e383b
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More progress on making ft8sim2 and ft8b_2 encode and decode all message types. For now, decoder.f90 is hardwired to always print 37 characters.
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2018-07-04 10:15:01 -05:00 |
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Steve Franke
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24f4792b23
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Fix incorrect reference to extract77 - should have been unpack77
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2018-07-03 15:59:24 -05:00 |
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Steve Franke
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57ebc30369
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Call the new extract77 in ft8b_2. Define msg37 and msgsent37 to replace their 22-bit predecessors.
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2018-07-03 15:34:39 -05:00 |
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Steve Franke
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c39dd63f79
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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.
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2018-07-03 09:28:16 -05:00 |
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Steve Franke
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5fc4fe6eda
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Fix an off-by-one error. Remove attempt to refine DT estimate using polynomial interpolation.
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2018-07-02 16:13:27 -05:00 |
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Steve Franke
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26de3219d3
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Fix an off-by-one problem.
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2018-06-30 14:56:19 -05:00 |
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Steve Franke
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83d81bdcd2
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Streamline the sequence detector code.
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2018-06-27 15:11:39 -05:00 |
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Steve Franke
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229ee09b99
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Minor code cleanup.
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2018-06-27 09:55:34 -05:00 |
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Steve Franke
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03abada09b
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More progress on sequence demodulator. Can now do nsymb=1,2, and/or 3.
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2018-06-26 11:11:58 -05:00 |
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Steve Franke
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7684bd0e78
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Work toward a generalized sequence detector for nsymbols=1, 2, or 3. Works for nsymbol=3, but not yet for nsymbol=1, or 2.
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2018-06-25 17:01:34 -05:00 |
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Steve Franke
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0f5759270e
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Added 2-symbol sequence detection for proof-of-concept tests.
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2018-06-22 11:20:28 -05:00 |
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Steve Franke
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3f8c218ebe
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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.
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2018-06-17 12:11:32 -05:00 |
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Steve Franke
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a5837bd5c7
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AP decoding now works for type 2 frames. Also cleaned up and simplified AP implementation in ft8b_2.
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2018-06-11 15:10:44 -05:00 |
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Steve Franke
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68beed88a7
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Change to Gray bit to symbol mapping for (174,91) messages.
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2018-06-08 16:21:21 -05:00 |
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Steve Franke
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a0db6a8a08
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Disable AP passes for type 2 frames, for now. Write some diagnostics to lun 81.
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2018-06-07 11:40:25 -05:00 |
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Steve Franke
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a23e2b6f8b
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Fix a bug that caused some second-decoding-attempt log-likelihoods to become NaN.
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2018-06-06 11:21:00 -05:00 |
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Steve Franke
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48b60eab71
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Make two sync passes, one for each sync array. Label candidates with their type and decode accordingly.
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2018-06-05 16:44:52 -05:00 |
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