| Noun | 1. | pulse generator - a generator of single or multiple voltage pulses; usually adjustable for pulse rate generator - an electronic device for producing a signal voltage pinger - a pulse generator used for echo sounding in sonar microwave radar, radar, radio detection and ranging, radiolocation - measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects asdic, echo sounder, sonar - a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return; "sonar is an acronym for sound navigation ranging"; "asdic is an acronym for antisubmarine detection investigation committee" |