amplitude-modulated indicator

amplitude-modulated indicator

[′am·plə‚tüd ¦mäj·ə‚lād·əd ¦in·də‚kād·ər]
(engineering)
A general class of radar indicators, in which the sweep of the electron beam is deflected vertically or horizontally from a base line to indicate the existence of an echo from a target. Also known as deflection-modulated indicator; intensity-modulated indicator.