Joe Taylor
033cc65d08
Revert "Very basic code (including some diagnostics) for "try all NB settings". Will remove it again."
...
This reverts commit bcf7f36b9c
2020-09-17 19:30:07 -04:00
Joe Taylor
bcf7f36b9c
Very basic code (including some diagnostics) for "try all NB settings". Will remove it again.
2020-09-17 19:28:55 -04:00
Steven Franke
7d58df4cc1
In FST4 mode with Single Decode not checked, move candidates within 20 Hz of nfqso to the top of the list.
2020-09-17 14:22:38 -05:00
Joe Taylor
21dc6a5c59
Connect the FLow and FHigh limits for FST4 decoding.
2020-09-16 17:23:59 -04:00
Steven Franke
221ede2903
Remove some unused variables.
2020-09-14 13:07:07 -05:00
Steven Franke
b49a90f530
Remove a redundant array.
2020-09-14 13:03:33 -05:00
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
