cavity tuning

cavity tuning

[′kav·əd·ē ‚tün·iŋ]
(electromagnetism)
Use of an adjustable cavity resonator as a tuned circuit in an oscillator or amplifier, with tuning usually achieved by moving a metal plunger in or out of the cavity to change the volume, and hence the resonant frequency of the cavity.
References in periodicals archive ?
These experiments demonstrated that the efficiency of the conversion of microwave energy to heat could be improved via cavity tuning.