Joe Taylor
43c38de884
Minor tweaks for FT4 debugging and possible tuning.
2019-03-26 14:00:32 -04:00
Steve Franke
0fef707118
Widen candidate frequency offset window to f0=[10,4990] Hz.
2019-03-21 13:27:10 -05:00
Joe Taylor
0ea485b305
Bring allsim up to date with changes elsewhere.
2019-03-13 11:35:47 -04:00
Joe Taylor
e150d003d6
Fix an inforrect constant in ft4_rx() that skipped over first 0.208 s of Rx data.
2019-03-13 10:31:23 -04:00
Steve Franke
7a0823301a
Remove some temporary code.
2019-03-09 10:03:01 -06:00
Steve Franke
8ddf3f8acc
Change default to DT=0.14 s for simulated wav files.
2019-03-09 09:13:26 -06:00
Steve Franke
1b591e2c8c
Make ft4d work with cqstr.
2019-03-04 17:26:24 -06:00
Steve Franke
d7012267c0
CQ message type strings are now passed from mainwindow.cpp to ft4_decode.f90, to enable AP decoding of special CQ messages.
2019-03-04 17:10:57 -06:00
Steve Franke
4769bf45d2
Make FT4 AP decoding work in RTTY RU and Field Day activities.
...
Move Nuttal window to standalone subroutine nuttal_window.f90 and
use Nuttal window in ft4/getcandidates4.f90.
2019-03-03 13:02:22 -06:00
K9AN
3176c1d3ef
wsprd Makefile now builds wsprsim too.
2019-03-01 17:48:57 -06:00
K9AN
4d5fa21821
More tweaks to wsprd Makefile.
2019-03-01 17:07:11 -06:00
K9AN
9ff9dc5c42
Make wsprd Makefile work on Linux with gcc/gfortran.
2019-03-01 14:36:26 -06:00
Joe Taylor
5c7e1ba35d
Complete the code cleanup in ft4sim.
2019-02-27 09:38:59 -05:00
Joe Taylor
1c617e2367
Minor code cleanup to ft4sim.f90 and ft4sim_mult.f90.
2019-02-27 09:34:40 -05:00
Bill Somerville
278c544a6a
Merge branch 'develop' into feat-ft2
2019-02-26 11:52:14 +00:00
Steve Franke
fdca7c2dcb
Merge branch 'feat-ft2' of bitbucket.org:k1jt/wsjtx into feat-ft2
2019-02-25 15:03:55 -06:00
Steve Franke
3759198982
Remove ramp-up and ramp-down symbols. Instead, shape the first 1/8th of first and last real symbols.
2019-02-25 15:03:43 -06:00
Joe Taylor
fdfb655b06
Option to select "Low sidelobes" or "Most sensitive" for waterfall spectra.
2019-02-25 15:04:05 -05:00
Steve Franke
ec2d5b6233
Fix the sign of one of the Nuttal window coefficients. Change BT to 2.0.
2019-02-25 12:57:34 -06:00
Steve Franke
17ac99344c
For now, change to BT=1.5 for FT8. This commit enables the waterfall analysis window. This decreases sidelobes significantly in exchange for increased noise bandwidth. Sensitivity to weak tones will be degraded somewhat.
2019-02-23 14:18:22 -06:00
Steve Franke
5d914a1eb1
Make ft8sim_gfsk work with recent changes to gen_ft8wave.f90.
2019-02-22 15:16:29 -06:00
Joe Taylor
25bfa3798a
Transmit FT8 using a gaussian-filtered waveform.
2019-02-22 13:39:39 -05:00
Steve Franke
d9c99601ae
Fix bugs in gen_ft8wave.f90.
2019-02-21 15:56:21 -06:00
Steve Franke
9425bd4d37
Merge branch 'feat-ft2' of bitbucket.org:k1jt/wsjtx into feat-ft2
2019-02-21 15:48:08 -06:00
Steve Franke
1acb5d5d99
Add routines needed to test FT8 with GFSK pulses.
2019-02-21 15:48:02 -06:00
Joe Taylor
d5a1671210
FT4 decoding interval is now 288 ms. Saving of FT4 files is somewhat rationalized.
2019-02-21 10:08:18 -05:00
Joe Taylor
a98e1d7f37
Minor code cleanup.
2019-02-15 09:55:27 -05:00
Joe Taylor
41c22b0153
Call fftwf_cleanup() from four2a to free all remaining fftw memory.
2019-02-15 09:38:28 -05:00
Joe Taylor
3c77b720f8
Account for buffer start time in ft4d.
2019-02-15 09:06:41 -05:00
Joe Taylor
e5ea814bb9
Destroy FFTW plans when ft4d is finished.
2019-02-15 08:59:41 -05:00
Steve Franke
6c8a204d7e
Make sure that message77 is initialized.
2019-02-14 18:54:14 -06:00
Steve Franke
473c7058ff
Merge branch 'feat-ft2' of bitbucket.org:k1jt/wsjtx into feat-ft2
2019-02-14 17:37:48 -06:00
Steve Franke
6ad6d44ffa
When doing block detection of symbols, fill in incomplete blocks using
...
data from shorter block sizes.
2019-02-14 17:34:46 -06:00
Joe Taylor
e4ba9f25fd
Process one more 3456-sample chunk in ft4d.
2019-02-14 15:21:01 -05:00
Joe Taylor
55e0e32e59
Fix ft4d so that it reads and processed full 15-second files.
2019-02-14 15:10:41 -05:00
Joe Taylor
9a6c82d09b
Tweaks to make valgrind somewhat happier.
2019-02-14 14:56:02 -05:00
Joe Taylor
073a22125a
Minor cleanup: debugging a problem with FT4 decoding.
2019-02-14 14:09:22 -05:00
Joe Taylor
c2cb55a68a
Reduce FT4 chunk size fro 500 to 288 ms; suppress duplicate decodes from close to chunk ends.
2019-02-13 14:42:57 -05:00
Bill Somerville
7d66f442d6
Fix up some compiler errors when using gfortran v9
2019-02-10 20:43:51 +00:00
Steve Franke
186482811a
Use 91 bits for RR73 messages.
2019-02-09 16:08:39 -06:00
Steve Franke
b415faae20
Remove char(0) from mycall and hiscall.
2019-02-08 16:44:18 -06:00
Steve Franke
0f03d02e74
Merge branch 'feat-ft2' of bitbucket.org:k1jt/wsjtx into feat-ft2
2019-02-08 15:17:52 -06:00
Steve Franke
33498cc10f
Disable AP if ncontest=5 or 6 (Fox and Hound).
2019-02-08 15:17:46 -06:00
Steven Franke
7d70c5e9e1
Still trying to make data_dir work under all conditions. This makes it work with ft4d.
2019-02-08 11:24:22 -06:00
Steve Franke
e3830dcb27
Remove temporary indent file.
2019-02-07 18:52:51 -06:00
Steve Franke
cbfcb76193
AP decoding basically works. Make data_dir setting work on the Mac.
2019-02-07 18:48:38 -06:00
Steve Franke
ecbeda5297
Disable sync2 calculation for now.
2019-02-07 10:16:28 -06:00
Steve Franke
60cb4a33aa
Re-enable second sync pass.
2019-02-05 19:53:53 -06:00
Steve Franke
71cb6d9f50
Use 4 different Costas arrays to prevent false syncs as received frames move
...
through the analysis window.
Add a random 77-bit vector to each message so that tone transitions occur
even if the message contains a long string of 0 or 1 (like a CQ).
Add alternative sync calculation as an option (sync2), for testing.
Add basic framework for AP decoding.
2019-02-05 19:18:50 -06:00
Steve Franke
91e3dbdf20
New scheme for finding candidates. Speed up sync. Improved SNR calibration.
2019-02-02 16:29:17 -06:00
