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Changes to text to support new data and revised Figure 4.

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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@6436 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
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Steven Franke 2016-01-24 23:33:16 +00:00
parent e25ea1e7a6
commit 94a2a824b8
1 changed files with 16 additions and 15 deletions
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lib/ftrsd/ftrsd_paper/ftrsd.lyx
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@ -2258,10 +2258,10 @@ Deep Search
\begin_inset Quotes erd
\end_inset
decoding.
Simulated Doppler spreads of 0.2 Hz actually increased the FT and DS decoding
rates slightly at SNRs close to the decoding threshold, presumably because
with the low-rate JT65 code signal peaks can provide the information needed
(DS) decoding.
Simulated Doppler spreads of 0.2 Hz actually increased the FT decoding rate
slightly at SNRs close to the decoding threshold, presumably because with
the low-rate JT65 code signal peaks can provide the information needed
for good copy.
\end_layout
@ -2307,22 +2307,23 @@ Deep Search
\begin_inset Quotes erd
\end_inset
algorithm.
algorithm with a codeword list of length
\begin_inset Formula $L=5850$
\end_inset
.
Numbers adjacent to the curves are simulated Doppler spreads in Hz.
The curve labeled
\begin_inset Quotes eld
\end_inset
Sync
\begin_inset Quotes erd
\end_inset
illustrates the success rate of correct time and frequency synchronization
in the decoder presently implemented in program
In the current version of
\emph on
WSJT-X
\emph default
the performance of the DS algorithm is limited by synchronization failures
when
\begin_inset Formula $SNR\lesssim-28\,\textrm{dB}$
\end_inset
.
\end_layout
\end_inset