w4kek
/
WSJT-X
mirror of https://github.com/saitohirga/WSJT-X.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity
6,879 Commits 5 Branches 98 Tags 208 MiB
Commit Graph

2559 Commits

Author SHA1 Message Date
Joe Taylor a1baaebee9 Decoder should reject data with rms < 3.0 over first 15 seconds. 2020-09-12 13:46:09 -04:00
Joe Taylor 263675cac4 Fix an oddball result with i*2 numbers: abs(-32768)=-32768. 2020-09-12 09:00:39 -04:00
Joe Taylor 8e69f84bdd Remove some obsolete, commented-out code. No real cghanges! 2020-09-11 18:39:24 -04:00
Bill Somerville 5fdcd8c15a
Merge branch 'develop' into feat-fst280 2020-09-11 20:06:20 +01:00
Steven Franke 71fdcd1119 Silence a compiler warning. 2020-09-10 16:11:07 -05:00
Steven Franke 2dcde590df Use widegraph limits for noise baseline fit. Limit signal search to within the widegraph limits. 2020-09-10 14:58:10 -05:00
Joe Taylor 47fcddcb50 Send nfa, nfb to fst4_decode(). 2020-09-10 14:59:52 -04:00
Joe Taylor 01a1688b32 FST4 and FST4W decoder: get freq range from nfqso and ntol; remove BCD submodes, i.e. hmod=2, 4, 8. 2020-09-05 13:14:40 -04:00
Joe Taylor f24d15b16e Eliminate the FST4/FST4W submodes with hmod > 1. 2020-09-04 15:15:30 -04:00
K9AN f066936043
Remove an unused variable from fst4_decode 2020-08-29 19:55:23 +01:00
Steven Franke 5ca81a6507
Use 3rd order polynomial fit to estimate the noise baseline. The 
polynomial fit is done over 400 Hz bandwidth for T/R periods longer
than 15s, and over approx. 600 Hz (10 times the signal bandwidth) for
T/R period of 15s.
 2020-08-29 19:55:23 +01:00
Steven Franke d82b9f5b0e
Speed up decoder by eliminating some complex multiples in sequence detection loop. Add timer calls for doppler spread calculation and sequence detection loop. 2020-08-29 19:55:22 +01:00
Steven Franke ecaca6af9f
Fix argument list in call to fet_fst4_bitmetrics.f90 2020-08-29 19:55:22 +01:00
Steven Franke b9328b96c9
Tweaks to update the diagnostics that are written to fort.21. 2020-08-29 19:55:22 +01:00
Steven Franke e02850ae5a
Streamline fst4_decode. Add timer for downsampling. 2020-08-29 19:55:22 +01:00
Steven Franke 782c779392
Reconfigure to optimize decoder for MF/LF (high coherence) channels. 2020-08-29 19:55:21 +01:00
Steven Franke 7cb5511ed0
Simplify some code in fst4_decode.f90 - no functional change. 2020-08-29 19:55:21 +01:00
Steven Franke bf06193c10
Add timer call for bit metric calculation. Improve some comments. Make fort.21 ntype parameter more informative. 2020-08-29 19:54:38 +01:00
Steven Franke 6838a6b484
Remove some unneeded code. 2020-08-29 19:50:32 +01:00
Steven Franke 8b7db6556c
Changes to the llrs that are used as the basis for AP decoding. 2020-08-29 19:50:17 +01:00
Steven Franke b191e0c5ef
Fix SNR calculation for B,C,D submodes. 2020-08-29 19:49:59 +01:00
Steven Franke 9d2bde7180
Fix SNR calculation for B,C,D submodes. 2020-08-29 19:49:46 +01:00
Steven Franke cdbe425e56
Use squared metric for fst4 - works better on fading channel. 2020-08-29 19:49:23 +01:00
Steven Franke 37e05f6074
Set unpk77_success=.false. for messages with i3=0 and n3>6. 2020-08-29 19:48:54 +01:00
K9AN 8159478d51 Remove an unused variable from fst4_decode 2020-08-28 12:25:17 -05:00
Steven Franke e232c32178 Use 3rd order polynomial fit to estimate the noise baseline. The 
polynomial fit is done over 400 Hz bandwidth for T/R periods longer
than 15s, and over approx. 600 Hz (10 times the signal bandwidth) for
T/R period of 15s.
 2020-08-28 09:22:22 -05:00
Steven Franke ad0540a027 Speed up decoder by eliminating some complex multiples in sequence detection loop. Add timer calls for doppler spread calculation and sequence detection loop. 2020-08-24 10:17:45 -05:00
Steven Franke e3171d2142 Fix argument list in call to fet_fst4_bitmetrics.f90 2020-08-22 09:42:34 -05:00
Steven Franke 091d6d0b1a Tweaks to update the diagnostics that are written to fort.21. 2020-08-21 09:18:59 -05:00
Steven Franke 0e0349e87a Streamline fst4_decode. Add timer for downsampling. 2020-08-20 09:48:32 -05:00
Steven Franke e28215fce5 Reconfigure to optimize decoder for MF/LF (high coherence) channels. 2020-08-19 14:10:28 -05:00
Steven Franke 07486ee0c7 Simplify some code in fst4_decode.f90 - no functional change. 2020-08-19 09:20:48 -05:00
Steven Franke 2c0462f9aa Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-08-17 14:12:13 -05:00
Steven Franke 683cd08103 Add timer call for bit metric calculation. Improve some comments. Make fort.21 ntype parameter more informative. 2020-08-17 14:12:08 -05:00
Bill Somerville 4a2a181528
Merge branch 'develop' into feat-fst280 2020-08-17 18:33:00 +01:00
Joe Taylor 42626009b5 TEMPORARY: Diagnostic routine for the "Save All" missing files problem. 2020-08-09 14:21:25 -04:00
Joe Taylor 84e53960cd QRA66 now works up for submodes A-D up to 300 s periods. Submode E presently NG. 2020-08-09 11:04:49 -04:00
Joe Taylor de0476bf3c More changes to allow longer sequences in QRA66 mode. 2020-08-08 16:53:28 -04:00
Joe Taylor e4fad77fa5 QRA66 now works with qra66sim and jt9 and TR periods 15 30 60 120 300 s. 2020-08-08 13:57:24 -04:00
Joe Taylor bf38f4416c Modifications to give QRA64 use of longer TR periods and tone-spacing submodes. Noy yet finished, or tested! 2020-08-08 09:14:12 -04:00
Joe Taylor 2de2874672 Allow for larger irc created by message averaging. Commit test_qra66.f90 2020-08-06 14:23:39 -04:00
Joe Taylor 254e2f61fa Remove diagnostic write to fort.71. 2020-08-06 07:07:16 -04:00
Joe Taylor 30e34bf1c4 Implement message averaging (very basic) for QRA66. 2020-08-05 16:34:49 -04:00
Joe Taylor 6c8c9183aa SNR for QRA66 non-decodes now set to -25. 2020-08-05 11:16:56 -04:00
Joe Taylor 7256d70016 QRA66: change NSPS from 1920 to 1800. TxT=85*1800/12000=12.75 s. 2020-08-05 11:06:18 -04:00
Joe Taylor f1c8f04136 Report failed QRA66 decode as SNR = -22 dB. 2020-08-04 14:18:23 -04:00
Joe Taylor e719efd835 Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-08-04 13:44:01 -04:00
Joe Taylor 335cc41faa More code cleanup. Rename sync66a to sync66. 2020-08-04 13:13:49 -04:00
Joe Taylor 2e893e8994 Add Tx freq as command-line argument for qra66sim. 2020-08-04 13:12:51 -04:00
Steven Franke cc0aa373a9 Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-08-04 11:56:38 -05:00
Steven Franke 9b4b3a6623 Remove some unneeded code. 2020-08-04 11:56:32 -05:00
Joe Taylor 88102af49d Fic the transfer of ntol from GUI to qra66_decode(). 2020-08-04 12:53:37 -04:00
Joe Taylor 902bb4d5e0 Add timer calls in qra66_decode. 2020-08-04 11:58:09 -04:00
Joe Taylor 4b92c20ee9 Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-08-04 11:52:51 -04:00
Joe Taylor 668631180d Code cleanup. 2020-08-04 11:52:29 -04:00
Steven Franke 4225241720 Changes to the llrs that are used as the basis for AP decoding. 2020-08-04 10:25:09 -05:00
Steven Franke 45a1a116c9 Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-08-04 10:17:16 -05:00
Steven Franke 55d83f068b Fix SNR calculation for B,C,D submodes. 2020-08-04 10:15:08 -05:00
Joe Taylor 56067dc52c Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-08-04 10:50:00 -04:00
Joe Taylor 7b2e9c4e5d Many improvements to QRA66 decoder. 2020-08-04 10:49:14 -04:00
Steven Franke 802f078386 Fix SNR calculation for B,C,D submodes. 2020-08-04 09:15:44 -05:00
Joe Taylor c91baddb2c New sync66a subroutine for QRA66. 2020-08-03 16:30:29 -04:00
Bill Somerville caba1fbe72
Validate grids in 77-bit and 50-bit message unpacking 2020-08-03 02:11:46 +01:00
Joe Taylor 2846a6422a Temporary: limit Rx search range to 15-- +/- 50 Hz. 2020-08-02 13:33:15 -04:00
Joe Taylor dc5d85f850 Remove a diagnostic print. Correct the maxAP value. 2020-08-02 11:40:03 -04:00
Joe Taylor dd471c6b5e Improvements to QRA66 decoder. Still needs work. 2020-08-02 11:15:10 -04:00
Joe Taylor 45dac5bd18 Change random number generation in qra66sim so results are exactly repeateble. 2020-08-02 09:42:22 -04:00
Bill Somerville 87dec9d433
Remove a remnant of "Also FST4W" mode 2020-08-02 00:42:09 +01:00
Joe Taylor fb3c23492f Adjustments to the QRA66 decoder. Still need to implement looping over b90 values. 2020-08-01 15:12:37 -04:00
Joe Taylor e66843c0c0 Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-08-01 12:14:44 -04:00
Joe Taylor 3867c452e6 Changes to GUI to accommodate QRA66. It's basically functional, I think. 2020-08-01 12:13:49 -04:00
Steven Franke e751a4404f Use squared metric for fst4 - works better on fading channel. 2020-08-01 10:58:21 -05:00
Joe Taylor a0b5be009a Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-08-01 10:14:26 -04:00
Joe Taylor f45c617422 First working QRA66 decoder. 2020-08-01 09:24:59 -04:00
Joe Taylor c4ef1e3e25 Starting on a decoder for QRA66. Now have found xdt and f0 from the sync vector. 2020-07-31 16:38:21 -04:00
Steven Franke 4b0ae524bf Set unpk77_success=.false. for messages with i3=0 and n3>6. 2020-07-31 14:15:49 -05:00
Joe Taylor 77b7e71424 Enable mode QRA66B in qra66sim. 2020-07-31 11:16:03 -04:00
Joe Taylor 09686b9958 Add a simulator for experimental mode QRA66. 2020-07-31 10:59:05 -04:00
Joe Taylor 9146ce9667 Correct a flaw in qra64sim. 2020-07-31 10:58:30 -04:00
Joe Taylor ee24f03d09 Modify genqra64.f90 so it can also be used for a "QRA66" mode. 2020-07-31 09:27:36 -04:00
Joe Taylor 902c0b7a59 Protect against bounds error in dopspread.f90. Remove the temporary ssavg code. 2020-07-29 09:48:19 -04:00
Joe Taylor 884854223c Add computation of an average spectrum of unmodulated FST4 signals after decoding. 2020-07-27 14:02:33 -04:00
Joe Taylor 4455861773 Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-07-27 08:27:46 -04:00
Joe Taylor 79be2a7790 Reformat the fort.21 output. 2020-07-27 08:27:16 -04:00
Steven Franke 3de14a5436 Tweak SNR calibration. 2020-07-26 19:31:20 -05:00
Joe Taylor 7e24f9be20 Do not write an FFTW wisdom file if usage message has been issued. 2020-07-26 10:50:05 -04:00
Steven Franke 5eec869b2c Remove an unused file. 2020-07-23 13:22:12 -05:00
Bill Somerville a7223a5efa
A few more cosmetic 240 -> 4 changes 2020-07-23 19:13:05 +01:00
Steven Franke c88445ee7b One more 240->4 change in jt9,f90. 2020-07-23 12:53:49 -05:00
Steven Franke 085e63e05d Rename fst240 to fst4 in Fortran routines. 2020-07-23 12:48:50 -05:00
Joe Taylor 77a6f8f514 Move blanking from symspec() to fst240_decode(). Do not apply RefSpec corrections to data read from disk. 2020-07-23 10:58:10 -04:00
Joe Taylor 372651ae55 Add a simple execution timer for small blocks of code. 2020-07-22 10:43:33 -04:00
Steven Franke 231b518a22 Fix print format for w50 in fort.21 2020-07-21 12:42:50 -05:00
Steven Franke bb9e1b1b90 Remove 'Also FST240W' capability from fst240_decode. 2020-07-21 12:37:26 -05:00
Bill Somerville 2da65408a8
Fix filename case issue 2020-07-20 23:53:29 +01:00
Steven Franke d1012c9afb Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-07-20 16:09:31 -05:00
Steven Franke a773a7ad1f Center the DT search window properly. Write fort.21 when plotspec exists. 2020-07-20 16:09:22 -05:00
Bill Somerville 7d07423a50
Repair own call hash decoding in received messages 2020-07-20 21:24:45 +01:00
Bill Somerville 22f66795a1
Improved C/Fortran string interoperation, and fix azel.dat updates 
The azel.dat file is no  longer written with future Doppler correction
information designed  for rigs  that can't do  CAT QSY  commands while
transmitting.
 2020-07-20 15:15:55 +01:00
Joe Taylor 159b8a97f7 Better handling of fSpread in mainwindow.cpp. Makes auto-seq work when plotspec is used. 2020-07-19 13:20:41 -04:00
Steven Franke 510537d4fe Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-07-18 09:02:16 -05:00
Steven Franke 98596a4be7 Choose nfft1 and ndown so that both nfft1 and nfft2 have small prime factors. 2020-07-18 09:02:11 -05:00
Bill Somerville 8b35e744d0
Increase Tx waveform storage & update wide graph nsps for FST240 2020-07-18 10:35:26 +01:00
Bill Somerville 4e0f1103b6
15 and 30 minute T/R periods for FST240 & FST240W 2020-07-17 23:44:14 +01:00
Bill Somerville cccb38dbef
Pass hints to fst240sim, genfst240, and packjt77::pack77 on WSPR msgs 
Due to  an ambiguity with  message encodings between 77-bit  QSO modes
and 50-bit  beacon modes with message  types 13.n3 4.0 and  0.6 a hint
needs to be  passed to ensure the right encoding  is emitted. The hint
only  effects  ambiguous messages,  others  will  be encoded  strictly
according to the message content.
 2020-07-17 19:09:21 +01:00
Bill Somerville c21a60144a
Larger 12kHz sample buffer 2020-07-17 19:08:21 +01:00
Steven Franke 322fd14a6a Use Joe's values for NSPS. 2020-07-17 11:29:21 -05:00
Steven Franke 02b66241d2 Add 15 minute and 30 minute TRperiod option for FST240. 2020-07-17 10:52:27 -05:00
Joe Taylor 7bd797c0e9 Improved estimates of Doppler spread. Comment the code in write_ref(). 2020-07-16 11:47:07 -04:00
Joe Taylor f61cb1dcbd Better display format for w50 with plotspec. 2020-07-15 16:03:36 -04:00
Joe Taylor b3882a93c0 Extend write_ref() to compute freq offset and Doppler spread. Also some minor code cleanup. 2020-07-15 15:50:17 -04:00
Joe Taylor ff0d31986f File 'plotspec' in execution directory ==> save channel-gain spectrum to fort.52. 2020-07-15 13:15:38 -04:00
Bill Somerville c5ab12d1f4
Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-07-15 01:48:01 +01:00
Bill Somerville 99f419f63c
Initialize prefix store for type 2 50-bit messages 2020-07-15 01:46:52 +01:00
Joe Taylor ab3630b2e7 Compute spectrum for measuring fspread of a decoded FST240/FST240W signal. 2020-07-14 16:46:28 -04:00
Joe Taylor c925f6d1cc Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-07-14 11:43:40 -04:00
Joe Taylor cbeb81b499 Add LF/MF noise blanker capability for FST240 and FST240W. 2020-07-14 11:27:41 -04:00
Steven Franke c5f0187036 Eliminate an unnecessary variable (NN2) in fst240sim.f90. 2020-07-13 19:59:14 -05:00
Steven Franke a19d5d1556 Fix end subroutine line for new write_ref subroutine. 2020-07-13 15:10:01 -05:00
Steven Franke db3e0d8022 Add a disabled option to print the reference waveform to fort.51. 2020-07-13 14:58:50 -05:00
Steven Franke bac3cc7471 Remove spurious invocation of thresh variable. 2020-07-13 08:53:11 -05:00
Steven Franke 4cb902a4cc Try to get c_bigfft sorted out. 2020-07-11 16:39:31 -05:00
Joe Taylor 5b804d90a3 Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-07-11 15:25:37 -04:00
Joe Taylor 3e61688229 Fix the nagging 'KA1R' problem with decoding after change in TRperiod. 2020-07-11 15:24:21 -04:00
Steven Franke 8998537622 Clean up a couple of loose ends. 2020-07-09 15:30:46 -05:00
Steven Franke a47f34db92 Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-07-09 14:13:31 -05:00
Steven Franke 8941b70a2a Changes to improve sensitivity on overspread channels. 2020-07-09 14:13:23 -05:00
Joe Taylor 114cd83376 Signal report range has been [-30,+99]. Not it is [-50,+50], in a backward-compatible way. 2020-07-08 11:25:07 -04:00
Bill Somerville aa557820d4
Work around gfortran v10 error message 2020-07-08 02:25:25 +01:00
Bill Somerville 61a72e9d91
Merge branch 'develop' into feat-fst280 2020-07-06 23:44:00 +01:00
K9AN d17bc2f97f Comment out debug prints. 2020-07-04 13:06:50 -05:00
Steven Franke 3fe6fa3d72 Rough first attempt at setting minsync according to setup. 2020-07-04 12:57:51 -05:00
Steven Franke 0357af2eb5 Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-07-04 09:16:01 -05:00
Steven Franke c176572ec0 Add options for sub-symbol integration for sync and symbol estimation. 2020-07-04 09:15:57 -05:00
Joe Taylor 4a0b7b3a1d Fix the "FST240W Type 2" and "FST240W Type 3" messages. 2020-07-03 12:01:26 -04:00
Steven Franke 7fb7e51283 Use N=1,2,3,4 for now. 2020-07-02 14:48:11 -05:00
Joe Taylor 352b497399 Remove a diagnostic print. 2020-07-02 13:43:50 -04:00
Joe Taylor 185cf3eb48 "Also FST240W" should set iwspr=2, not 1. Change ndeep to ndepth, for consistency. 2020-07-02 13:30:18 -04:00
Steven Franke 3f1fd6e2c1 Tweaks to decrease the number of garbage candidates slightly. 2020-07-02 11:54:10 -05:00
Steven Franke 6d0d21670e Change noise_bw to xnoise_bw so that it is real. 2020-07-02 08:45:37 -05:00
Steven Franke e74595fdd5 Discard the all-zero codeword. 2020-07-01 16:42:22 -05:00
Steven Franke 6ebb487cd5 Remove residual WSPR_LF that was causing build errors. Build ldpcsim240_74. 2020-07-01 14:40:37 -05:00
Joe Taylor 94f5e2925c Correct the length of id2 sent to decoder for FST240W mode. 2020-07-01 15:04:15 -04:00
Joe Taylor f2c3cbf9ac Implement basic functiionality of FST240W in the GUI. 2020-07-01 12:01:47 -04:00
Steven Franke 0f04f3285a Prevent decodes that fail to unpack from being printed. 2020-07-01 08:20:38 -05:00
Joe Taylor 22b782a4ae Can now decode FST240W signals from WSJT-X, using FST240 and the option "Decode -> Also FST240W". 2020-06-30 20:04:44 -04:00
Steven Franke f6a8a179dc Hardwire for 50-bit messages. 2020-06-30 18:15:35 -05:00
Joe Taylor 361c1a96c1 Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-06-30 17:23:58 -04:00
Joe Taylor ae54c80a54 Here's a start on GUI changes to support FST240W as well as FST240. 2020-06-30 17:14:58 -04:00
Steven Franke 5336d959c7 Remove temporary stuff. 2020-06-30 16:06:53 -05:00