Sentences with phrase «sonar for»

Submarines and surface warships are being told they must reduce or cease their use of sonar for detecting enemy threats and underwater obstacles, regardless of national security and defense needs, because of possible harm to whales, porpoises and other marine mammals.

Looking at how bats use echolocation and decoding how it's done is bringing scientists closer to better ways of using sonar for everything from maneuvering robotic vehicles to finding flaws in building structures.

Since cetaceans use sonar for navigation, it may have scrambled their own signals, effectively leaving them in the dark, leading to mass strandings.

Integrated Navigation Sonar System (INSS) is a small flashlight - shaped handheld sonar for divers that displays range.

Glimpsed newspaper headlines don't tell us where these creatures came from or why; we just know the monsters are blind and hearing is used as sonar for finding prey.

Charles Fox Benefits Of Dolphin Inspired Sonar For Underwater Object Identification.

The overall objective is to provide a better scientific basis for estimating risk and minimizing effects of active sonar for the U.S. Navy and regulatory agencies.

It makes sense: Humans have been perfecting sonar for more than a century, but evolution has been honing echolocation for much, much longer.

Experience from developing sonars for submarines, through earth stations for satellite communications and miniature, extreme low power satellite radio device to road traffic controllers with a; ll of the safety constraints that this involves.

Not exact matches

It can swim at 28 knots for more than 5 miles to reach its target, homing in on it with an advanced sonar system.

Quietly driving this market, to a large extent, has been ESPN3, ESPN's somewhat under - the - sonar online outlet for streaming live sports events.

To make sense of all of this data, a new onboard computer with over 40 times the computing power of the previous generation runs the new Tesla - developed neural net for vision, sonar and radar processing software.

For safety, Model X is equipped with cameras, radar and sonar to constantly monitor the space around the vehicle to prevent collisions.

I was very happy but did not know how to show my feelings, I was still thinking, is it real, am I dreaming, but no I was not, I was actually pregnant with twins, and I tried going for as many sonars as I could so I can see them growing, and just make sure both of them are healthy.

We took everyday slowly, not letting our baby into any danger, due to the fact we do not want to lose another baby, but then when we went for our first sonar, the doctor scanned over my stomach and I saw that there is 2 images of a baby, the doctor then told us, «can you see what I see, and I told the doctor, yes I can, but can he please confirm that it was correct», and yes he did, we expected twins.

Theyare also used for directed energy weapons, such as jamming devices, electromagnetic rail guns, or laser weapons (extensively used in Afghanistan), electric drive motors, radars, and sonar transducers.

Lockheed Martin's plant in suburban Syracuse has been awarded a $ 45 million contract by the U.S. Navy and Japan to provide sonar systems for anti-submarine warfare, according to the Pentagon.

Sonar equipment and robotic devices are assisting divers in the search for Lehner.

In fact, the so - called unicorns of the sea (for their iconic head tusks) may produce the most refined sonar of any living animal.

The Deeper Smart Sonar PRO +, though premium priced, is very fun to play with thanks to its rich features for ice fishing and just about any kind of fishing environment.

The Deeper App for iOS and Android interprets the data from the dual sonar frequencies to show colorful, detailed bathymetric maps as well as depth, bottom contour, and water temperature.

He was fresh out of high school when he volunteered as a sonar operator in the Swedish navy for his national service at the tail end of the Cold War.

He was disappointed when his «alcoholic» shipmates couldn't keep the sonar from listing long enough for him to get an accurate sonar ping.

The researchers, from the University of New Hampshire's (UNH's) Center for Coastal and Ocean Mapping (CCOM) in Durham and the National Oceanic and Atmospheric Administration (NOAA), wanted to try sonar because its wide view can look at entire swaths of ocean at the same time.

After years of debate, the National Marine Fisheries Service gave its approval this summer to the U.S. Navy's use of a new low - frequency active - sonar system for locating enemy submarines.

If only for a few seconds we could be a bat flying through the darkness with echolocation or a dolphin way down under the sea using sonar clicks.

Analysis of a specific gene has now demonstrated that although bats live in air and dolphins in water, where sound travels five times faster, they independently evolved a near - identical gene that allows them to accept high - frequency sound in the ear — vital for sonar.

Small, remotely operated submersible vehicles with sonar were also looking for leaks, but the UNH - NOAA team surveyed the entire area at one time.

The REMUS 100 vehicle (for Remote Environmental Monitoring Underwater System) is equipped with Global Positioning System technology, side - scan sonar and a video camera.

The recent field trial around Dia encouraged Foley because it should be easier for the sonar surveys to pick out vases than it was to find plastic water bottles, which are poor sonar reflectors, he says.

He says it hints at a new way to design small accurate sonar systems for locating targets in the ocean.

PORPOISES have the combination of acoustic controls built into their heads to thank for their ability to focus a directed beam of sonar on prey.

Furthermore, the greater noctule bat's 40 - centimeter - plus wingspan and low - frequency sonar are well - suited for hot pursuit in the wide open sky, but not for finding birds in crowded tree canopies.

Two years later a coalition of green groups led by NRDC and including the International Fund for Animal Welfare (IFAW), the League for Coastal Protection, Cetacean Society International, and Ocean Futures Society upped the ante, asking the federal courts to also restrict testing of more intense, harmful and far ranging mid-frequency types of sonar off Southern California's coastline.

Unfortunately for many whales, dolphins and other marine life, the use of underwater sonar (short for sound navigation and ranging) can lead to injury and even death.

This as well as the sonar as well as the naval use of dolphins for various purposes... Dolphins use 100 % of their brain and we are causing that to decline rapidly.

Ultrasound technologies make visible what remains hidden from our naked eyes: Physicians study tissue changes in our bodies with the aid of sonography; submarines equipped use sonar systems to get their bearings in the darkness of the deep sea; and for materials and components testing, ultrasound provides a non-destructive alternative to costly technologies that are not real - time capable.

Researchers are now covering a wide range of applications with a new modular system: From sonar systems to medical ultrasound technologies and all the way to the high frequency range — such as for materials testing.

The researchers used dual - frequency identification sonar, an acoustic camera originally designed for the U.S. Navy by Sound Metrics Corp., to create a sound gate through which the sharks traveled.

This would be catastrophic for NATO submarines, which have been honed to run ever more quietly, using clever technology that prevents them from being heard or detected on sonar.

THE US Navy has admitted for the first time that the sonar used by its ships can injure whales and dolphins.

«I'm sure people have passed over these areas with sonars running and not recognized them for what they are.»

«Scientists design bacteria to reflect «sonar» signals for ultrasound imaging: New technology may one day allow doctors to image therapeutic bacterial cells in patients.»

While the movie may be still be fiction, researchers at Caltech are making strides in this direction: they have, for the first time, created bacterial cells with the ability to reflect sound waves, reminiscent of how submarines reflect sonar to reveal their locations.

«These are the first direct measurements of individual responses for any baleen whale species to these kinds of mid-frequency sonar signals,» said Brandon Southall, SOCAL - BRS chief scientist from SEA, Inc., and an adjunct researcher at both Duke and the University of California Santa Cruz.

The boat surfaced through three feet of Arctic ice 200 miles north of Prudhoe Bay, Alaska, where the University of Washington's Applied Physics Lab conducts underwater communications and sonar experiments for the Navy.

For that, Waters developed its SONAR software, a data acquisition mode that works with the company's Xevo G2 - XS QToF, which provides quadrupole time - of - flight (QToF) mass spectrometry.

In addition, the 777's cockpit voice and flight data recorders — the «black boxes» — each include a «pinger», an ultrasonic acoustic transmitter that, for up to 30 days after submersion, can be picked up by ship or submarine sonar receivers, allowing them to home in on the source.

Killer whales, for instance, are known to swim away from areas where they have encountered sonar signals of about 142 decibels, a sound level lower than currently allowed by the U.S. Navy for its ships, Tyack said, referring to a 2014 study in The Journal of the Acoustical Society of America that determined the mammals» likely response.

Acoustic scattering modeling; advanced sonar methods / technology for acoustic remote sensing of marine organisms, with applications to zooplankton and fish