acoustic detection

acoustic detection

[ə′küs·tik di′tek·shən]
(engineering)
Determination of the profile of a geologic formation, an ocean layer, or some object in the ocean by measuring the reflection of sound waves off the object.
References in periodicals archive ?
Subject of a public contract for the supply and related services, and construction work is to build, expand and improve the warning and information system of towns and villages Mikroregionu Podralsko II, providing basic sound flood plain Mikroregionu Podralsko II through outdoor acoustic detection units and an increase in water level for early warning residents .
There's really not much effort involved in getting around a sound-based system-any amateur can modify the sound of their drone to defeat acoustic detection.
France's BEA crash investigation agency said late Thursday a ship with two hydrophones, or underwater acoustic detection devices, was due to arrive at the scene early on Friday with French, Singaporean and Indonesian experts aboard.
Officials said the French team's hydrophones - sophisticated underwater acoustic detection devices - and towed sonar equipment brought by other international experts could not be used on Friday because of high waves.
The Australian Maritime Safety Authority ( AMSA) said Australian Navy ship Ocean Shield ship will be equipped with a black box detector, the US Navy's Towed Pinger Locator and an unmanned underwater vehicle, besides other acoustic detection equipment.
Navy's Towed Pinger Locator - and an unmanned underwater vehicle, as well as other acoustic detection equipment.
However, novel system solutions and signal-processing developments have opened the door to passive acoustic detection solutions.
manufacturer of subsea navigation and security technologies, have executed a licensing agreement for intellectual property of the Stevens Passive Acoustic Detection System (SPADES), which uses sound processing to detect, track and classify vessels, swimmers and divers.
Special operators also want to reduce acoustic detection by 50 percent and cut in half the aircraft's turning radius.
At the Potomac River NEO demonstration, warfighters in the Humvee used the Gunslinger's acoustic detection package and infrared sensors to determine the location of hostile fire and automatically move the weapon in the direction of the fire for friendly force response.
also compile articles that examine nanotechnology applications in cancer, SNP genotyping, magnetic resonance-compatible robotic and mechatronics systems, SQUID-detected magnetic resonance imaging in microtesia fields, ultrasound microbubble contrast agents, acoustic detection of coronary artery disease, and breast CT, among others.