(n) (obsc) de Broglie wave
(n) microwave tube
(n) impact analysis
(n) frequency multiplier
(n) sonography
ultrasonography
(n) ultrasonic test instrument
(n) orthogonalized plane wave
OPW
(n) (comp) Low Frequency Oscillator
LFO
(n) (comp) electromagnetic compatibility
(exp) to make trouble
to make waves
to cause discord
(n) (Buddh) prajna-paramita (perfection of wisdom)
(n) Kuznets swings
(n) (comp) clock frequency
(n) (comp) doppler frequency
(n) microwave heating
(n) extremely high frequency wave
EHF
(n) sonar
(n) (comp) AFC
Automatic Frequency Control
(n) (comp) FDM
Frequency Division Multiplexing
(n) (comp) frequency shift keying
(n) frequency converter
(n) (comp) frequency modulation recording
FM recording
(n) (comp) Frequency Modulation
(n) (comp) spectral effciency
(n) (comp) vertical scan frequency
(n) (comp) horizontal scanning frequency
(n) bandpass filter
(n) ultrasonic test equipment
(n) (comp) OFDM
orthogonal frequency division multiplexing
(n) centimetric wave