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