Sentences with hydrophone
hy·dro·phone
H h - The tag encodes the data as a series of ultrasonic pulses transmitted through the water column from a hydrophone and are decoded by a receiver on a ship.
- The fish were caught locally and transferred to large laboratory tanks where their behavior was monitored using hydrophones and infrared video cameras.
- Seismic waves are detected by instruments known as geophones when used on land or hydrophones in water.
- But most research to date has used underwater microphones, called hydrophones, to study the collection of sounds produced by various groups - not individuals.
- From seven boats, the scientists lowered hydrophones - underwater microphones - to a depth of about 1,500 feet.