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Add some FreqCal info to User Guide.

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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@8134 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
This commit is contained in:
Joe Taylor 2017-09-28 19:51:04 +00:00
parent 0254b0ccd7
commit 7dfc11b786
4 changed files with 17 additions and 1 deletions
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4
doc/CMakeLists.txt
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@ -34,6 +34,7 @@ set (UG_SRCS
protocols.adoc protocols.adoc
logging.adoc logging.adoc
make-qso.adoc make-qso.adoc
measurement_tools.adoc
new_features.adoc new_features.adoc
platform-dependencies.adoc platform-dependencies.adoc
protocols.adoc protocols.adoc
@ -72,6 +73,9 @@ set (UG_IMGS
images/decodes.png images/decodes.png
images/download_samples.png images/download_samples.png
images/file-menu.png images/file-menu.png
images/FreqCal.png
images/FreqCal_Graph.png
images/FreqCal_Results.png
images/freemsg.png images/freemsg.png
images/ft8_decodes.png images/ft8_decodes.png
images/help-menu.png images/help-menu.png

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doc/user_guide/en/images/FreqCal_Results.png Normal file
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12
doc/user_guide/en/measurement_tools.adoc
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@ -56,6 +56,7 @@ measurements, as shown for these measurements in the graph plotted
below. Software tools for completing this task are included with the below. Software tools for completing this task are included with the
_WSJT-X_ installation, and detailed instructions for their use are _WSJT-X_ installation, and detailed instructions for their use are
available at https://physics.princeton.edu/pulsar/k1jt/FMT_User.pdf. available at https://physics.princeton.edu/pulsar/k1jt/FMT_User.pdf.
Using these tools and no specialized hardware beyond your Using these tools and no specialized hardware beyond your
CAT-interfaced radio, you can calibrate the radio to better than 1 Hz CAT-interfaced radio, you can calibrate the radio to better than 1 Hz
and compete very effectively in the ARRL's periodic Frequency and compete very effectively in the ARRL's periodic Frequency
@ -63,6 +64,17 @@ Measuring Tests.
image::FreqCal_Graph.png[align="left",alt="FreqCal_Graph"] image::FreqCal_Graph.png[align="left",alt="FreqCal_Graph"]
After running *Execute frequency calibration cycle* at least once with
good results, the line-fitting procedure can be carried out
automatically by clicking *Solve for calibration parameters* on the
*Tools* menu. The results will be displayed as in the following
screen shot. Estimated uncertainties are included for slope and
intercept; `N` is the number of averaged frequency measurements included
in the fit, and `StdDev` is the root mean square deviation of
averaged measurements from the fitted straight line.
image::FreqCal_Results.png[align="center",alt="FreqCal_Results"]
=== Reference Spectrum === Reference Spectrum
_WSJT-X_ provides a tool that can be used to determine the detailed _WSJT-X_ provides a tool that can be used to determine the detailed

2
mainwindow.cpp
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@ -2113,7 +2113,7 @@ void MainWindow::on_actionSolve_FreqCal_triggered()
strncpy(data_dir,dpath.toLatin1(),len); strncpy(data_dir,dpath.toLatin1(),len);
calibrate_(data_dir,&iz,&a,&b,&rms,&sigmaa,&sigmab,&irc,len); calibrate_(data_dir,&iz,&a,&b,&rms,&sigmaa,&sigmab,&irc,len);
QString t1; QString t1;
t1.sprintf("Slope: %10.3f ±%7.3f ppm\nIntercept: %7.2f ±%5.2f Hz\n\nNgroups: %6d\nStdDev: %8.2f Hz", t1.sprintf("Slope: %10.3f ±%7.3f ppm\nIntercept: %7.2f ±%5.2f Hz\n\nN: %18d\nStdDev: %8.2f Hz",
b,sigmab,a,sigmaa,iz,rms); b,sigmab,a,sigmaa,iz,rms);
QString t2{"Solution looks good."}; QString t2{"Solution looks good."};
if(irc<0) t1=""; if(irc<0) t1="";