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7,263 Commits 5 Branches 98 Tags 208 MiB
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2663 Commits

Author SHA1 Message Date
Steven Franke
1b59d9dc8c Eliminate redundancies from the calculation of sequence correlations. 2020-09-14 12:42:32 -05:00
Steven Franke
ca0804450b Remove some redundant code. 2020-09-14 09:07:45 -05:00
Steven Franke
3d8c8e3dd7 Merge branch 'develop' of bitbucket.org:k1jt/wsjtx into develop 2020-09-14 09:00:35 -05:00
Steven Franke
98d52e35ac Speed up FST4 decoding. 2020-09-14 09:00:30 -05:00
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
Steven Franke
a8b87f1f3a Fix wspr-mode SNR. 2020-06-30 16:05:52 -05:00
Steven Franke
7345e13661 Fix a bug 2020-06-30 15:50:50 -05:00
Bill Somerville
f6a7d8c4bd
Fix an off by one error in 10 and 12 bit hash code handling 
Revealed by trying to hash M0RNR which has zero as a 10 and 12 bit
hash code.
 2020-06-30 21:50:17 +01:00
Steven Franke
630ef640ac First cut at joint QSO/WSPR type decoding for FST240. 2020-06-30 15:06:18 -05:00
Joe Taylor
0472a816fb Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-06-30 15:12:22 -04:00
Joe Taylor
d7448347e5 Install a basic framework for handling FST240W decodes. 2020-06-30 15:11:36 -04:00
Steven Franke
e8bb7e74bc Add routines for a (240,74) code. Hardwire decoder for wspr messages, for the time being. 2020-06-30 13:29:32 -05:00
Steven Franke
d916f315d3 Make AP decoding baseline llrs depend on hmod. Center the DT search window on emedelay. 2020-06-30 11:39:51 -05:00
Joe Taylor
53e7941c7c Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-06-30 10:36:16 -04:00
Joe Taylor
2a74e5a5de Allow command-line argument for "nQSOProgress" in jt9. 2020-06-30 10:35:13 -04:00
Steven Franke
f0efd881ca Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-06-30 08:42:59 -05:00
Steven Franke
d34f05f985 Implement basic AP decoding for FST240. No contests. 2020-06-30 08:42:54 -05:00
Joe Taylor
023e09bc4d Correct the help message's option label for setting FST240 mode. 2020-06-30 08:58:40 -04:00
Steven Franke
d462277a3e Make ldpcsim program work again. 2020-06-29 16:09:12 -05:00
Steven Franke
355b060454 1. Fix broken sync. 
2. Change FST240-15 to use nsps=720
 2020-06-29 15:06:11 -05:00
Steven Franke
42a0e9df32 Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-06-29 12:31:21 -05:00
Steven Franke
a5cb88deed Use two alternating sync words. Change DT=0 to t=0.5 s for ntrperiod=15 s only. 2020-06-29 12:31:16 -05:00
Joe Taylor
bb5041da98 Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-06-29 13:28:34 -04:00
Joe Taylor
67422f2ede Remove a diagnostic write statement. 2020-06-29 13:28:06 -04:00
Steven Franke
06b8e0eec6 Try to ensure that nfft1 and nfft2 are nice values. Add a brickwall filter in the downsampler. 2020-06-29 12:15:28 -05:00
Joe Taylor
83fddb1f57 Pass more parameters to fst240_decode(). 2020-06-29 12:21:34 -04:00
Joe Taylor
133c32cb41 Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-06-29 09:38:24 -04:00
Joe Taylor
4fbed923ab Add detailed comments to get_candidates_fst240.f90. 2020-06-29 09:37:29 -04:00
Steven Franke
5480beba3a Change DT search range back to -1s -> 2s. NB - FST240-15 is subject to false sync at DT=+2.5s - bad for EME? 2020-06-29 07:42:00 -05:00
Steven Franke
f774cecd00 Experimental change to candidate detection. 2020-06-28 15:22:35 -05:00
Bill Somerville
d5c5a58c7f
Merge branch 'develop' into feat-fst280 2020-06-27 22:14:09 +01:00
Steven Franke
04d6fe4617 Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-06-27 15:43:21 -05:00
Steven Franke
89c81cb5f1 XOR the message with rvec before calculating CRC 2020-06-27 15:43:14 -05:00
Joe Taylor
51447ef1d3 Remove the 1 s offset in wave() array. Fix NSPS for 300 s periods. 2020-06-27 16:24:11 -04:00
Joe Taylor
bf51dfd61d Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-06-27 16:23:20 -04:00
Steven Franke
1f16beeafe Make T/R=300s work from the command line. 2020-06-27 14:11:37 -05:00
Joe Taylor
eb167b11d3 Fix several more GUI parameters for FST240. 2020-06-27 14:13:59 -04:00
Steven Franke
3cb1980ef1 Remove un-needed files. 2020-06-27 09:21:43 -05:00
Steven Franke
390884268c Wholesale change from FST280 to FST240 2020-06-27 08:53:11 -05:00
Steven Franke
2cfe0513bb Adjust analysis window when single-decode is checked. 2020-06-26 08:40:01 -05:00
Steven Franke
37d5af9311 Fix an out-of-bounds error. 2020-06-26 07:24:11 -05:00
Steven Franke
76e84ec8fa Add debug print statement, lower sync threshold. 2020-06-25 08:54:16 -05:00
Steven Franke
f06f5d77a5 New frame format, new symbol lengths and ndown values, gen_fst280wave now returns a waveform aligned so that first message symbol starts at t=1s. 2020-06-24 15:15:20 -05:00
Steven Franke
31f98b94b9 Make DT search range -1s to +2s. 2020-06-24 12:22:22 -05:00
Joe Taylor
344b9c11f3 Speed up gen_fst280wave() by nearly x10 for longest FST280 transmissions. 2020-06-23 15:08:56 -04:00
K9AN
1b2d690bf0 Avoid edge effects when finding noise baseline. 2020-06-23 09:45:44 -05:00
Steven Franke
67f2450cc5 Make noise analysis bandwidth at least 10 times the signal bandwidth, when possible. 2020-06-22 15:21:55 -05:00
Steven Franke
37eff41549 Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-06-22 14:51:08 -05:00
Steven Franke
9741e08af2 Improve sync search range to account for hmod>1. 2020-06-22 14:51:01 -05:00
Joe Taylor
65996b015c Exten the DT search range, Steve's suggestion. 2020-06-22 15:20:02 -04:00
Joe Taylor
fcb237807c Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-06-22 12:10:52 -04:00
Steven Franke
963bd78f63 Tweak for better sensitivity. 2020-06-22 09:46:48 -05:00
Steven Franke
f111230687 Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-06-22 08:16:37 -05:00
Steven Franke
7d5fb03dea First cut at SNR estimate. Needs testing. 2020-06-22 08:11:45 -05:00
Joe Taylor
8a21533c21 UPdate some estimates in fst280.txt. 2020-06-21 18:46:21 -04:00
Bill Somerville
c2de0fe7ca
Merge branch 'hotfix-2.2.2' into develop 2020-06-21 21:44:59 +01:00
Steven Franke
d147eae27e
FT8: make sure that nbadcrc is initialized to true before each decoding attempt. 2020-06-21 20:36:19 +01:00
Joe Taylor
9208ac55b8
Another try: Ignore messages decoding to i3.n3 = 0.2. 2020-06-21 20:36:19 +01:00
Joe Taylor
ad0ff6d2be
Revert "Messages decoding to i3.n3 = 0.2 are now ignored: 0.2 is not currently used." 
This reverts commit d56f359b69.
 2020-06-21 20:36:19 +01:00
Joe Taylor
ac1e007238
Messages decoding to i3.n3 = 0.2 are now ignored: 0.2 is not currently used. 2020-06-21 20:36:19 +01:00
Steven Franke
2eca4001a0
cosmetic change. 2020-06-21 20:35:59 +01:00
Steven Franke
72a1a03db1
Detune the Normal decode setting a bit to reduce false decodes even more. 2020-06-21 20:35:59 +01:00
Steven Franke
4913929c99
FT8: Make Fast decode setting faster. 2020-06-21 20:35:26 +01:00
Steven Franke
77f05e9e10
In gen_ft8wave, make sure that wave() is not referenced unless icmplx=0. 2020-06-21 20:24:25 +01:00
Steven Franke
fb60ec0be5
FT8: Make the Fast decode setting Faster. 2020-06-21 20:24:25 +01:00
Joe Taylor
501cb44923 Clean up git workspace. 2020-06-21 14:38:40 -04:00
Steven Franke
79c437f69a Implement de-duping for FST280. 2020-06-21 12:40:38 -05:00
Joe Taylor
3a16399857 Don't send "<DecodeFinished>" twice for FST280. 2020-06-21 11:08:46 -04:00
Joe Taylor
ad4fac6b3d Implement "Single decode" for FST280. 2020-06-21 10:33:36 -04:00
K9AN
f03f411733 Changes to enable Fast and Normal decode settings. NB - max number of candidates has been increased to 20. 2020-06-21 08:48:34 -05:00
Bill Somerville
aa52e7d4c6
Add new PE RAC section for FD 2020-06-21 13:06:52 +01:00
Joe Taylor
0e935f0cf7 More tweaks to FST280 decoding. Suppress blank free text msgs. 2020-06-20 15:41:52 -04:00
Joe Taylor
17d1bc92dc Revert "Make sure that ncand is correct even when the number of candidates has been limited." 
This reverts commit e78f1abced.
 2020-06-20 14:17:34 -04:00
Joe Taylor
066d2585bc Revert "Enable sync checks on candidates." 
This reverts commit 644a570cb9.
 2020-06-20 14:17:05 -04:00
Joe Taylor
78685e10c6 Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-06-20 13:48:15 -04:00
Joe Taylor
f8d7489b4e Fix many odds & ends for merging FST280 properly into the GUI. 2020-06-20 13:47:32 -04:00
Steven Franke
644a570cb9 Enable sync checks on candidates. 2020-06-20 12:37:37 -05:00
K9AN
e78f1abced Make sure that ncand is correct even when the number of candidates has been limited. 2020-06-19 20:56:50 -05:00
Joe Taylor
f2b460231b Should allocate pulse(1:3*nsps), not pulse(1:3*nsps*fsample) ! 2020-06-19 19:17:05 -04:00
K9AN
28746dd0b6 Need to reallocate pulse() when nsps changes. 2020-06-19 16:49:26 -05:00
Joe Taylor
dff2b7e146 Add code to sort FST280 candidates by strength and return only the top few. Temporary? 2020-06-19 15:54:59 -04:00
Joe Taylor
dc2d1057bd Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-06-19 15:02:59 -04:00
Joe Taylor
87b79d0615 OK, we can now transmit in FST280 mode. 2020-06-19 15:02:05 -04:00
Steven Franke
7b62732a45 Fix size of candidates array. 2020-06-19 13:43:50 -05:00
Steven Franke
a5dd1bcab4 Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-06-19 13:41:35 -05:00
Steven Franke
1465ab6935 Sync all signals and then de-dupe before decoding. Changes to sync threshold scheme. 2020-06-19 13:39:10 -05:00
Joe Taylor
b2ae563a7d For the user, define FST280 frequency as that of the lowest tone. 2020-06-19 11:57:49 -04:00
Joe Taylor
297c1a0dcb Must reallocate some arrays when FST280 submode changes. 2020-06-19 10:16:04 -04:00
Joe Taylor
8933e43fb3 Use 15 30 60 120 300 rather than A B C D E for sequence length in FST280sim. 2020-06-19 09:28:55 -04:00
Joe Taylor
d64e266e8f Pass submode (==> hmod) to fst280_decode.f90. 2020-06-19 09:15:00 -04:00
Joe Taylor
5569700980 Send nutc to the fst280 decoder, and use it. Also some code cleanup. 2020-06-18 19:53:49 -04:00
Joe Taylor
ea439f77ab Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-06-18 18:46:06 -04:00
Bill Somerville
402ce1b3fb
Enable passing decodes back to caller 2020-06-18 23:33:36 +01:00
Joe Taylor
b270e7372f Use hhmm in file name if TRperiod.ge.60. 2020-06-18 15:03:41 -04:00
Joe Taylor
72005888ac Starting to implement callback routine fst280_decoded. Not yet functional! 2020-06-18 13:37:49 -04:00
Joe Taylor
54c1df030b Fix the logic for setting length of FST280 data sent from jt9 to decoder. 2020-06-18 11:25:32 -04:00
Steven Franke
3172f1e976 Fix a type, add threshold for h=8, tweak gen_candidates to decrease the number of spurious candidates. 2020-06-18 08:14:11 -05:00
Joe Taylor
07721761a9 Fix a few more passings of parameters from jt9 to decoder, for FST280. 2020-06-17 20:31:54 -04:00
Joe Taylor
5c3a340f72 Pass TRperiod (s) to fst280_decode(). 2020-06-17 19:58:21 -04:00
Joe Taylor
1cebbd2cdd Enable decoding of FST280 for other T/R sequence lengths. Needs testing! 2020-06-17 19:28:44 -04:00
Joe Taylor
b0a979e3f2 Enable FST280 decoding with jt9[.exe]. So far, with 60 s periods only. 2020-06-17 15:07:15 -04:00