instantaneous frequency measurement (IFM)

instantaneous vertical speed indicator / instantaneous vertical-speed indicator (IVSI)

instantaneous burst

instantaneous detonating fuse

instantaneous action fuze

instantaneous percussion fuze

instantaneous radiation

instantaneous radius of the flight path

instantaneous vertical velocity computer (IVVC)

instantaneous motion of a fluid element

instantaneous rate of flow

instantaneous velocity

pulse repetition frequency (PRF) / pulse-repetition frequency

measurement and signature intelligence (MASINT)

test, measurement and diagnostic equipment (TMDE)

wear measurement

measurement accuracy

acoustic measurement station

acoustical measurement system

reference noise measurement point

unification of units of measurement panel

takeoff measurement point

take-off reference noise measurement point

approach noise measurement point

directional noise measurement

electrical noise of the measurement system

flight path noise measurement point

flyover noise measurement

flyover noise measurement point

lateral noise measurement distance

lateral noise measurement point

measurement

measurement error