echo sounder

(redirected from echo sounders)
Also found in: Thesaurus, Encyclopedia.

echo sounder

n.
A device for measuring depth of water by sending pressure waves down from the surface and recording the time until the echo returns from the bottom.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

echo sounder

n
(General Physics) a navigation and position-finding device that determines depth by measuring the time taken for a pulse of high-frequency sound to reach the sea bed or a submerged object and for the echo to return
echo sounding n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.echo sounder - 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 returnecho sounder - 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"
measuring device, measuring instrument, measuring system - instrument that shows the extent or amount or quantity or degree of something
navigational instrument - an instrument used for navigating
pinger - a pulse generator used for echo sounding in sonar
pulse generator - a generator of single or multiple voltage pulses; usually adjustable for pulse rate
pigboat, submarine, U-boat, sub - a submersible warship usually armed with torpedoes
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations

echo sounder

necoscandaglio
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
References in periodicals archive ?
Technological advances are also increasing the range of instrument parameters available to the field user of equipment such as multibeam echo sounders. Proper selection of these parameters requires an understanding of how the MBES interacts with a particular environment.
With the aid of echo sounders and fog horns he got to Portpatrick, where the mist suddenly cleared and he was able to enter the harbour.
"Deep tow vehicles are equipped with side scan sonar and multibeam echo sounders, making them ideal for searching large areas of the seafloor in a single pass," (http://www.atsb.gov.au/mh370-pages/updates/operational-update.aspx) ATSB said .
Fugro will use two vessels equipped with side scan sonar, multibeam echo sounders and video cameras to scour the seafloor, which is close to 5,000 m deep in places.
The quality of the echo sounders used onboard the vessels and the results seemed to be within IHO Special standards.
He added that any attempt to retrieve wreckage would require extensive 3D mapping, possibly by ships with multibeam echo sounders.
The echo sounders estimated the distance to the bottom with the amplitude-based algorithm (with a threshold of -36 dB re 1 [m.sup.-1]) implemented in the echo sounder software (Simrad ER60, vers.
"Zooplankton live off this algae and reflect sound signals from echo sounders and fish finders very well."
* Accurate 3D position of the pipeline crossing location using the magnetometer, echo sounders, subbottom profiler, sidescan sonar and DGPS positioning.
Using data gathered from a wide range of sources, including multi-beam and single-beam echo sounders, airborne laser bathymetry and satellite imagery, Dr Robin Beaman's 3D depth model covers an area of three million square kilometres.