pulse repetition interval (PRI)

pulse repetition frequency (PRF) / pulse-repetition frequency

intra-pulse modulation (pulse compression / modulation on pulse, MOP)

group repetition interval (GRI)

preliminary rifle instruction (PRI)

pulse repetition rate (PRR)

high pulse repetition frequency (HPRF)

high pulse repetition frequency radar

high-pulse repetition frequency waveform

low-pulse repetition frequency

low-pulse repetition frequency radar

low-pulse repetition frequency waveform

medium pulse repetition frequency

medium pulse repetition frequency radar

medium pulse repetition frequency waveform

PRF agility (Pulse Repetition Frequency)

pulse group repetition frequency

pulse repetition frequency discrimination

pulse-repetition frequency generator

pulse-repetition frequency ranging Doppler radar

staggered PRF (pulse repetition frequency)

pulse width / pulse duration

pulses follow at a repetition frequency

contour interval

interval

interval of grid lines

logistical lag interval

service interval

burst range / interval

time interval

time-interval apparatus

maintenance interval

mean and sidereal time interval