hydrophone

(redirected from Underwater microphone)
Also found in: Dictionary, Encyclopedia.

hydrophone

[hī′drəfōn]
a small-diameter probe with a piezoelectric element, usually about 0.5 mm in diameter, at one end. When placed in an ultrasound beam, the hydrophone produces an electric signal.
Mentioned in ?
References in periodicals archive ?
The discoveries have emerged from a study of whale song using ex-Cold War US Navy underwater microphones.
We have a research boat which travels round the world studying whales using non-invasive techniques like video cameras, plankton nets and underwater microphones.
The software relies on underwater microphones, called hydrophones, to relay acoustic signals from the bubbling mixture to a computer.
Offshore seismic research is conducted with specially equipped boats that tow cables, or streamers, with underwater microphones at regular intervals.
We recorded background noise levels using underwater microphones and compared these noise levels to what was known about dolphins' hearing capacities.
The team of biologists and engineering experts recorded the insects using specialist underwater microphones, and they found on average, the songs of M.
Researchers from University of Strathclyde, Glasgow, recorded the sound using underwater microphones.
They wore earphones attached to underwater microphones to listen for orca calls.
The signals will be picked up by underwater microphones and data loggers will measure heart rate.
Jeffrey Podos of the University of Massachusetts in Amherst took underwater microphones when he joined Brazilian researchers in the Mamiraua Reserve.
This time, instead of using the net, GUST will hunt Nessie using highly-sensitive underwater microphones.
The seismic hydrophones produced by Benthos are small underwater microphones used in conducting seismic 3D data acquisition surveys which determine potential oil and gas deposits beneath the ocean floor.

Full browser ?