Mike --
I was fearful that as soon as I committed code using sfrsd that anyone
could compile, there would be reports that "it did this" or "it didn't
do that" ...
It is *far* too early for any casual on-the-air comparisons to be
useful. The new sfrsd code has simply been "dropped in" after testing
it with simulated data. Those tests were very thorough, but they tested
only single signals with ideal gaussian noise. No tuning has yet been
done under multi-signal, real-world conditions.
As you could easily tell from the code, in revisions 5949 and 5950 kvasd
is not used at all.
-- Joe, K1JT
On 9/30/2015 1:41 PM, Michael Black wrote:
> If r5949 is indeed using sfrsd (is it just calling it kvasd to make the
> code happy?)
> Saw the 1st instance of different decodes at 17347....running WSJT-X 1.6.0
> r5881 along side.
> Got two decodes on r5949 at -15 and -20 that 1.6.0 did not see.
> Follow at 1738 by a -1 decode on 1.6.0 that r5949 did not see.
> Another at 1739 with a -16 decode on 1.6.0 that r5949 did not see.
> So we're batting .500 in the early innings here....
> You want I should save the wav's?
> Mike W9MDB
>
> On Wed, Sep 30, 2015 at 12:23 PM, Joe Taylor<j...@princeton.edu> wrote:
>
>> Hi Steve,
>>
>> I'm scratching my head...
>>
>> At SVN revision r5949, WSJT-X v1.6.1 uses sfrsd2 in place of kvasd. It
>> seems to work well, but so far the only tuning I've done is to try both
>> the original (kvasd-inspired) metrics and the simple ones based on
>> p1/psum and p2/psum. In this instance the simple metrics produce
>> significantly MORE decodes that the exp() ones.
>>
>> Earlier today, I thought I had established the opposite to be true when
>> using rsdtest -- and also when using WSJT.
>>
>> For the moment, then, I'm scratching my head. ???
>>
>> Anyway, I plan to go ahead and try sdrsd2 (in WSJT-X) on some real
>> 20-meter data.
>>
>> -- Joe
>>
>>
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