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2453 Commits

Author SHA1 Message Date
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
Joe Taylor 5aeaf5dc78 Include h=8 and NSS=40 in the FST280 decoder. 2020-06-17 14:17:03 -04:00
Joe Taylor 70441a9b4a Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-06-17 13:33:26 -04:00
Steven Franke 03632d9759 Update sync thresholds and add threshold for h=8. 2020-06-17 11:24:29 -05:00
Joe Taylor 81c0548919 Add a dummy fst280 decoder. 2020-06-17 11:50:28 -04:00
Steven Franke c25ed618b3 Merge branch 'feat-fst280' of bitbucket.org:k1jt/wsjtx into feat-fst280 2020-06-17 10:44:35 -05:00
Steven Franke 57a2b7d565 Make hmod an integer everywhere. Add h=8. Increase nominal nss to 40*h Sa/symbol. 2020-06-17 10:44:29 -05:00
Joe Taylor af9f7b21c0 Starting to implement FST280 decoder. Make Rx sequences behave as desired. 2020-06-17 10:56:18 -04:00
Joe Taylor 0e3ff2688a Further progress toward activating FST280 and FST280W in the GUI. 2020-06-16 16:59:40 -04:00
Joe Taylor abcb7c3ff5 Update one more file name, and the *.f90 references to 'include' it. 2020-06-16 16:33:15 -04:00
Steven Franke 27e7b7b17b Remove unused variables. 2020-06-16 13:38:34 -05:00