Difference between revisions of "Double Local Oscillator"
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Double Local Oscillator
</dt>
An oscillator
mixing system which generates two radio-frequency signals accurately spaced a
few hundred cycles apart and mixes these signals to give the difference frequency
which is used as the reference.
</dd>
This equipment is used in an interferometer
system to obtain a detectable signal containing the phase information
of an antenna pair and the reference signal to allow removal of the phase data
for use.
</dd>
References
This article is based on NASA's Dictionary of Technical Terms for Aerospace Use
