external cavity frequency doubling
external frequency-doubled
low frequency external signal
antenna resonant frequency
anti-resonant frequency
drive mode resonant frequency
equivalent Q resonant frequency locking
extra-cavity resonant doubling
high frequency resonant
high frequency resonant convertor
Inherent resonant frequency
Load Resonant Frequency
mounted resonant frequency
natural resonant frequency
On the Resonant Frequency in the Way of Un-Legato
Parallel Resonant Frequency
principal resonant frequency