active sonar

active sonar

[′ak·tiv ′sō‚när]
(engineering)
A system consisting of one or more transducers to send and receive sound, equipment for the generation and detection of the electrical impulses to and from the transducer, and a display or recorder system for the observation of the received signals.
References in periodicals archive ?
Contract notice: Creation of a concept (study) for a mission asw (active sonar tow) for the multi-purpose combat ship class 180 (mks 180).
In Exposure Guidelines for Navy Divers Exposed to Low-Frequency Active Sonar, a 1996 report by F.
Problem is, the Low Frequency Active Sonar (LFAS) will do nothing to protect us but might well deafen and disorient much of the ocean's sea life [Summer '99 EIJ].
By Component Displays Sensors Global Positioning System (GPS) Network Video Recorders (NVR) Others By Product Type Radio Frequency Identification (RFID) Command & Control System Radar Chemical, Biological, Radiological, and Nuclear (CBRN) Systems Sonar Active Sonar Passive Sonar Fire & Flood Alarm System Physical Security Information Management (PSIM) Others By Vertical Aerospace Industrial Military & Defense Marine Security Automotive Mining and Oil & Gas Healthcare Cyber Security Others The research report presents a comprehensive assessment of the situation awareness system market and contains thoughtful insights, facts, and historical data and statistically supported and industry-validated market data.
In an Anti-Submarine Warfare (ASW) exercise conducted recently together with the Hellenic Navy, the Israeli Navy deployed its Seagull Multi-Mission Surface Vessel in an ASW configuration that included an onboard Helicopter Long-Range Active Sonar (HELRAS) dipping sonar.
The app uses a "short-range active sonar system" to detect respiration in a person within the distance of about 3 feet.
Scheduling algorithms are applied to ship data from US Navy ranges and to active sonar arrays.
He was seconded to and then worked for the Admiralty Research Establishment to develop and deploy bistatic active sonar systems for the investigation and modelling of the thermal layers and channels in the world's oceans.
In the 1990s, Chia acquired Russian Kilo-class submarines with anechoic coatings that reduced vulnerability to active sonar detection and battery technology that increased underwater speed and endurance.
The other notorious producer of acute AONP is active sonar from
Tom Avsic, a hydro-acoustics engineer at ThyssenKrupp, spoke about how active sonar helps to detect submarines that give off less radiated acoustic noise.
Under this general background, in this paper, we conduct the research on the reverberation scattering characteristics for active sonar echo detection system.