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Latest Sonar Stories

2009-11-12 08:07:00

Manassas, Va., Nov. 12 /PRNewswire/ -- Lockheed Martin (NYSE: LMT) successfully completed in-water testing of a new cylindrical array sonar system for Spain's S-80 class diesel electric submarines at the U.S. Navy's Underwater Test Facility at Seneca Lake, N.Y. The cylindrical array is the primary acoustic sensor for submerged operations. It consists of a special hydrophone configuration that is unique to every platform. Lockheed Martin designed and developed the S-80's new array under a...

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2009-10-28 10:55:24

The United Kingdom's deepest diving Autonomous Underwater Vehicle (AUV), Autosub6000, has been put through its paces during an extremely successful engineering trials cruise on the RRS Discovery, September 27 to October 17, 2009. Autosub6000 was working in regions of the Iberian Abyssal Plain in the North Atlantic deeper than 5600 meters and also around the steep and rugged terrain of the Casablanca Seamount, between Madeira and Morocco. The vehicle was designed and constructed by engineers...

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2009-10-26 07:24:00

Ultrasound and underwater sonar devices could "see" a big improvement thanks to development of the world's first acoustic hyperlens. Created by researchers with the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab), the acoustic hyperlens provides an eightfold boost in the magnification power of sound-based imaging technologies. Clever physical manipulation of the imaging sound waves enables the hyperlens to resolve details smaller than one sixth the length of...

2009-10-16 14:19:00

WINSTON-SALEM, N.C., Oct. 16 /PRNewswire-USNewswire/ -- To avoid becoming a bat's tasty treat, a species of tiger moth plays a trick with sound. The moth can make up to 450 ultrasonic clicks in a tenth of a second to jam the hungry bat's sonar and escape death. The discovery was made by Aaron Corcoran, a Wake Forest University graduate student, and William Conner, professor of biology at Wake Forest. "This is the first example of prey that jams biological sonar," Conner says....

2009-09-23 10:59:00

GIVAT SHMUEL, Israel, Sept. 23 /PRNewswire-FirstCall/ -- DSIT Solutions Ltd., a subsidiary of Acorn Energy, Inc. (Nasdaq: ACFN), has announced the signing of an agreement with a leading global Homeland Security (HLS) integrator securing orders for its underwater site security systems. Under the agreement the integrator commits to providing DSIT, with orders for the AquaShield(TM) Diver Detection Sonar (DDS) system totaling close to US$5,000,000 within the next six months. The agreement also...

2009-09-02 08:00:00

TEWKSBURY, Mass., Sept. 2, 2009 /PRNewswire/ -- Raytheon Company (NYSE: RTN) has delivered the next-generation AN/AQS-20A Minehunting Sonar and AN/ASQ-235 Airborne Mine Neutralization System to the U.S. Navy. As stated during an AMNS ribbon-cutting ceremony, "Fielding systems as promised is what makes a great industry partner!" said Donna Carson-Jelley, Navy program manager for Minewarfare (PMS 495). Considered critical components of the Navy's organic mine countermeasure arsenal, the...

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2009-08-20 13:54:26

A sonar station that counts salmon traveling up the Yukon River in Alaska malfunctioned this year, resulting in a smaller allowed catch, officials say. Russ Holder, federal fisheries manager for the Yukon, said the king salmon season looked like one of the poorest we've ever had, the Anchorage Daily News reported. In hindsight, it doesn't look as poor as those numbers indicated to us, he said. Because of the lower catch, enough fish got as far as the Canadian section of the river to fulfill a...

2009-07-31 08:00:00

MERRIMACK, N.H., July 31 /PRNewswire/ -- Raymarine, Inc., a world leader in marine electronics, today celebrated a year of remarkable product introductions and industry accolades. Over the past 12 months, the company launched six new solutions to the market, including major upgrades to its popular lines of A- and C-Series Navigation Displays. The perfect fit for center consoles and open cockpits, Raymarine's updated line of A-Series Navigation Displays feature high-resolution 2D, 3D and...

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2009-07-07 15:40:00

A research paper co-written by a Virginia Tech faculty member explains a 60-year mystery behind a rare bat's nose that is unusually large for its species. The findings soon will be published in the scientific trade journal, Physical Review Letters.The article, "Acoustic effects accurately predict an extreme case of biological morphology," by Z. Zhang, R. Mller, and S.N. Truong, details the adult Bourret's horseshoe bat (known scientifically as the "Rhinolophus paradoxolophus," meaning...

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2009-06-30 12:05:00

A team of researchers from the University of Alcalá de Henares (UAH) has shown scientifically that human beings can develop echolocation, the system of acoustic signals used by dolphins and bats to explore their surroundings. Producing certain kinds of tongue clicks helps people to identify objects around them without needing to see them, something which would be especially useful for the blind."In certain circumstances, we humans could rival bats in our echolocation or biosonar...


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