Instrument that transmits sound waves in water. Used in finding depths, locating submarines, and wrecks.
An electrical device used to determine depth of water. Sonar is also used to locate schools of fish and other large underwater obstacles.
The American name for underwater sound detection equipment. The British name was Asdic. Sonar can be active (as when "pinging") or passive (listening only).
( So und avigation nd anging) - an underwater acoustic means of determining distance.
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 anti-submarine detection investigation committee
a crucial part of its ability to detect submarines, "the ultimate stealth weapons," at long distances, before they pose a danger to U
a machine that sends and receives sound waves to measure depth and locate underwater objects
It must be noted, that when a sound takes 10 s to come back to you when using SONAR, the time taken is actually 5.0 s for one way. Thus when asked to find the depth of a ocean, etc. the time taken which must be used is that of one way.
A system of measuring distance and depth under water using sound waves, on a similar principle to radar on the surface.
The system used by many cetacean s to echolocate ( echolocation).
apparatus emitting high-frequency sounds used in locating objects under water by measuring direct and reflected sound pulses.
A system for detecting obstacles by emitting sound and intercepting and interpreting echoes that bounce back. It is used by bats and also by oilbirds and some swiftlets when they fly in the darkness of caves.
(single beam, side scan and multi beam) - an acronym for "sound navigation and ranging"; an instrument that detects reflected sound waves and is used to locate objects underwater.
An acronym for SOund NAvigation and Ranging. It includes any system that uses underwater sound, or acoustics, for observations and communications. There are two broad types of sonar: Passive sonar detects the sound created by an object (source) in the water. This is a one-way transmission of sound waves traveling through the water from the source to the receiver; and Active sonar detects objects by creating a sound pulse, or ping, that transmits through the water and reflects off the target, returning in the form of an echo. This is a two-way transmission (source to reflector to receiver) and is a form of echolocation.
sound navigation and ranging. A device that is used primarily for the detection and location of underwater objects by reflecting acoustic waves from them, or by the interception of acoustic waves from an underwater, surface, or above-surface acoustic source.
Detection equipment used to detect and track submarines. A distinct pinging sound was emitted from a transmitter/receiver attached to the hull. Sonarmen were sometimes referred to as "ping-jockeys". Short for "true". Used when noting direction ("bearing") of an object (such as the ship's course, another ship, or enemy plane) in degrees
Name given to piezoelectric application consisting of measuring distances to submerged objects by broadcasting a sound "pulse" and timing the reflected signal.
A family of electronic detection devices used to track submerged targets. The original British designation for sonar was ASDIC, or Anti-Submarine Detector.
In cetaceans, this is a means to navigate and track prey by emitting sound pulses and analyzing their echoes.
Sound Navigation And Ranging - underwater search device.
A system using transmitted and reflected underwater sound waves to detect and locate submerged objects or measure the distance to the floor of a body of water. This technology is used in Garmin fishfinders and sounder products.
Sonar (SOund NAvigation and Ranging) is a simple way to detect wrecks. It uses sound pulses/echoes, it is inexpensive and can be fitted in small boats. Modern systems can be combined with GPS. A split-screen function allows for detail studies while keeping the overview. Some sonars are sediment-penetrating, revealing objects below the seabottom. Image from SMAS of a wreck.
Acronym for ' So und avigation nd anging'. Sonar works by sending out sound waves in water and measuring distance by the time it takes for the sound wave to reach and bounce off (echo) an object (or the bottom) and return back to the sender. Originally developed for detecting submarines (the famous ping).
A remote-sensing technology that uses underwater sound waves to locate or track objects.
A method to locate objects and determine distance by transmitting sound waves through water and measuring the time it takes the echo to bounce back. Used in depth finders and fishfinders.
an acronym for sound navigation and ranging equipment. SONAR systems use sound waves to detect underwater objects by listening to the returning echoes. The distance to the object or the seafloor can be calculated by measuring the time between when the signal is sent out and when the reflected sound, or echo, is received.
Use of sound to determine depth of water as well as direction and distance to underwater features; SOund Navigation And Range.
Acronym from SO und NA vigation anging. Active sonar that is used to measure ocean depth sends sound to bounce off the ocean floor.
Word is derived from "sound navigation and ranging." It describes a devise that transmits frequency sound waves in water and registers the vibrations reflected back from an object. It is used in detecting objects such as submarines, locating schools of fish, or determining water depth.
acronym for sound navigation and ranging. A device that is used primarily for the detection and location of underwater objects by reflecting acoustic (sound) waves from them.
The use of sound waves to detect underwater objects, such as schools of fish. A system that uses transmitted and reflected sound waves to find objects under water.
System used by many cetaceans to echolocate.
Acronym for "sound navigation and ranging." A system using reflected sound waves to determine the position of some target.
Whales use sonar to sense objects. In sonar (echolocation), a high-pitched sound (usually clicks) is sent out by the whale. The sound bounces off the object and some returns to the whale. The whale interprets this returning echo to determine the object's shape, direction, distance, and texture.
(sound navigation and ranging) equally spaced sound waves sent and reflected back. Sonar is used to determine sea depth, submarines and schools of fish.
SONAR (SOund Navigation And Ranging) — or sonar — is a technique that uses sound propagation under water (primarily) to navigate, communicate or to detect other vessels. There are two kinds of sonar — active and passive. Sonar may be used as a means of acoustic location.