An electronic switch which restricts the signals accepted by radar to those returned after a time appropriate to the distance of the targets sought; a means of analogously restricting the range of signals accepted by an ultrasound device.
Origin
1950s.
Definition of range gate in US English:
range gate
noun
Electronics
An electronic switch which restricts the signals accepted by radar to those returned after a time appropriate to the distance of the targets sought; a means of analogously restricting the range of signals accepted by an ultrasound device.