pulse generator

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a generator of single or multiple voltage pulses;
usually adjustable for pulse rate (Freq. 1)
• Hypernyms:
generator
• Hyponyms:
pinger
• Part Holonyms:
sonar, echo sounder, asdic, radar, microwave radar,
radio detection and ranging, radiolocation