Peak FFT frequency

fast fourier transform (FFT)

FFT maximum

face fit testing (FFT)

peak (over)pressure

peak

peak range

peak velocity

peak apogee

peak perceived noise level

peak (over) pressure

peak strength

pulse repetition frequency (PRF) / pulse-repetition frequency

common frequency

doppler frequency shift

fixed frequency channel

frequency

frequency and directional chart

frequency band

frequency intelligence

frequency modulated (FM)

frequency modulation (FM)

frequency range (band)

frequency response

frequency, intensity, time, type (FITT)

frequency-hopping mode

guarded frequency

high frequency (HF)

high frequency direction finder

high frequency over-the-horizon (HF OTH) radar

high-frequency 'X-band' system

intermediate frequency

low frequency (LF)