News tagged with sonars

For pollock surveys in Alaska, things are looking up

Shelikof Strait, in the Gulf of Alaska, is an important spawning area for walleye pollock, the target of the largest—and one of the most valuable—fisheries in the nation. This year, a team of NOAA Fisheries ...

dateMay 21, 2015 in Ecology
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Robotic sonar system inspired by bats

Rolf Mueller, an associate professor of mechanical engineering in the College of Engineering at Virginia Tech, has developed a prototype of a dynamic sonar system inspired by horseshoe bats.

dateMay 20, 2015 in Plants & Animals
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Ultrasound technology made to measure

The range of uses for ultrasound is gigantic; the applied technologies are just as diverse. Researchers are now covering a wide range of applications with a new modular system: From sonar systems to medical ...

dateJan 06, 2015 in Engineering
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Whales hear us more than we realize

Killer whales and other marine mammals likely hear sonar signals more than we've known. That's because commercially available sonar systems, which are designed to create signals beyond the range of hearing ...

dateMay 01, 2014 in Plants & Animals
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