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

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 8b1f95bcd4
commit bef405970f

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@ -2258,10 +2258,10 @@ Deep Search
\begin_inset Quotes erd \begin_inset Quotes erd
\end_inset \end_inset
decoding. (DS) decoding.
Simulated Doppler spreads of 0.2 Hz actually increased the FT and DS decoding Simulated Doppler spreads of 0.2 Hz actually increased the FT decoding rate
rates slightly at SNRs close to the decoding threshold, presumably because slightly at SNRs close to the decoding threshold, presumably because with
with the low-rate JT65 code signal peaks can provide the information needed the low-rate JT65 code signal peaks can provide the information needed
for good copy. for good copy.
\end_layout \end_layout
@ -2307,22 +2307,23 @@ Deep Search
\begin_inset Quotes erd \begin_inset Quotes erd
\end_inset \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. Numbers adjacent to the curves are simulated Doppler spreads in Hz.
The curve labeled In the current version of
\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
\emph on \emph on
WSJT-X WSJT-X
\emph default \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_layout
\end_inset \end_inset