Joe Taylor
79538977c7
Further improvements to JT9 decoder.
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Better AFC (wider range of possible drifts; more accurate DT alignment).
Better definition of metric tables used by Fano decoder.
Zero-centeres soft symbols, instead of offset +128.
Tuned several empirical parameters.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@5004 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2015-03-04 17:07:15 +00:00
Joe Taylor
c0bd9bc788
Further improvements to JT9 decoder.
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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@4993 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2015-02-27 15:38:24 +00:00
Joe Taylor
69fd5d2c39
Minor tweaks in JT9 decoder.
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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@4989 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2015-02-24 20:19:04 +00:00
Joe Taylor
d9bc8f5dff
Optimizations of JT9 and JT65 decoders; change clock in timer routine.
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Both decoders now have slightly better performance and faster
execution. The rare "duplicate decodes" in JT9 were eliminated.
On Windows, at least, calls to f90 routine system_clock() do not
provide correct wall time increments. Changed to using secnds()
instead.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@4571 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2014-10-30 19:29:16 +00:00
Joe Taylor
926395561e
Further optimizations of the decoders, and some code cleanup.
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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@3492 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2013-07-17 19:13:36 +00:00
Joe Taylor
133f8d6886
Clean up all g95 compiler warnings.
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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@3299 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2013-05-23 01:05:37 +00:00
Joe Taylor
1ada32a81e
1. De-activate submodes JT9-5, JT9-10, and JT9-30. (This makes the shared
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memory region smaller by some 150 MB.)
2. Some code cleanup (removing unused lstrong, etc.)...
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@3283 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2013-05-20 14:09:02 +00:00
Joe Taylor
6339dc4b7e
Many changes to the procedures for selecting decodable candidate JT9 signals.
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This code may be the new benchmark?
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@3274 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2013-05-16 16:02:00 +00:00
Joe Taylor
286a10b75f
Another try at optimizing choices for decoding. Not done yet!
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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@3271 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2013-05-15 19:03:49 +00:00
Joe Taylor
07edcb67e0
Added routine "chkss2" to test sync vector for sanity before attenpting
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Fano decode.
git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@3270 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2013-05-15 15:17:36 +00:00
Joe Taylor
e6102f9ef2
Further code cleanup.
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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@3199 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2013-04-22 15:43:02 +00:00
Joe Taylor
695ce7b83e
General code clean-up to eliminate compiler warnings.
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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@3198 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2013-04-22 15:08:20 +00:00
Joe Taylor
faa6b9d7af
Omitted a sqrt() by mistake.
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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@2777 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2012-11-27 17:10:28 +00:00
Joe Taylor
f7c12d8390
Better way of estimating noise level for S/N measurements.
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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@2776 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2012-11-27 16:48:50 +00:00
Joe Taylor
a7ea2745f2
Refactor the test9 routine into downsam9, peakdt9, symspec2, ...
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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@2775 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
2012-11-27 15:38:03 +00:00
