Sentences with phrase «high frequency waves»

The term «nonlinear cascade» is not even mentioned in the paper, the only possible related issue seems to be the different ways in which the models cut off the high frequency waves.
Ava measures the ratio between low frequency and high frequency waves in your heart rate.
Smaller beams would control higher frequency waves, and larger beams would affect lower frequency waves.

Not exact matches

AT&T and Verizon are conducting trials to offer super-fast Internet and video service to homes and businesses using the high frequency bands, also known as the millimeter wave bands.
Using the 15 GHz and 28 GHz bands, the high frequencies known as millimeter wave, the signals in the test can transmit a large volume of information but don't travel as far or penetrate obstructions as easily as lower frequencies.
Financial News reports that Vigilant Global, a telecoms company owned by high - frequency trading firm DRW Trading, has submitted plans to build a 320 - metre tall tower to allow what it calls «a new communications point between the UK and Europe» which will have a «completely unobstructed» line of sight both optically, and for radio waves.
Each time one of these waves of light would pour into our atmosphere, the planet's vibration was raised to a slightly higher frequency, elevating our living Earth — along with us earthlings — to a higher level.
The difference between positive and negative electricity, or between high and low frequency waves, may seem, and in nature may be, partly qualitative; but physics as a theory of nature takes into account only the spatio - temporal aspects or consequences of such qualities, whatever the latter may be.
It makes sense that the system would develop an image with high - frequency sound waves, given the name, and wouldn't be harmful.
A transducer sends high - frequency sound waves into the body; as the sound waves bounce off organs and structures, they produce electrical signals that are converted into images.
Ultrasound is a common test during pregnancy that uses high frequency sound waves to look at the anatomy and structures of the developing baby.
An ultrasound uses high - frequency sound waves that are transmitted through breast tissue from a hand - held unit called a transducer.
Waves from binary supermassive black holes oscillate slowly compared with supernovas, which generate high - frequency wWaves from binary supermassive black holes oscillate slowly compared with supernovas, which generate high - frequency waveswaves.
The two frequencies alternated every 40 seconds, reminding Laurent of the regular oscillations between high - frequency REM and slow - wave sleep found in mammals and birds.
During REM sleep, the brain generates high - frequency waves of electrical activity and the eyes flicker; in humans, REM is closely linked to dreaming.
Dogs can hear the waves, which have too high a frequency for our ears to notice.
Understanding this instability is key to some experimental nuclear fusion reactions but it has never been observed for high - frequency radio waves.
Medical ultrasound works on the same principles that whales and bats use every day: High - frequency sound waves cross into your body, some pass through and some bounce back, depending on what they strike.
At the TU Vienna, a complementary method was developed: not only a higher - frequency wave is added to the laser pulse, but also a lower - frequency one.
Because you have to use a radio wavelength that is smaller than the dimensions of the object you are trying to locate, radar relies on high - frequency waves, just a few inches long (higher frequencies have shorter wavelengths).
The researchers used the state - of - the - art nanofabrication technology to make arrays of electrodes with a width of only 100 nanometers (0.00001 centimeters) to excite sound waves at an unprecedented high frequency that is higher than 10 GHz, the frequency used for satellite communications.
This time, researchers looked for a change in the frequency of waves — with shorter wavelengths meaning a higher frequency, and vice versa — in a type of laser in atomic clocks.
IBM and Mediatek plan to ultimately develop ways to wirelessly connect high - definition TVs to set - top boxes using millimeter - wave radio technology, which takes advantage of the highest frequency portion of the radio spectrum where massive amounts of information can be sent quickly.
Participants» brain waves locked into the specific frequencies of sign language, rather than locking into the higher frequency that vision tends to prefer.
High - frequency sound can kill microscopic pathogens, but the sound waves normally need to travel through a contact medium such as water or gel, limiting the use of ultrasound as a germicide.
It's also still unknown whether any other bursts have twisted waves at high frequencies — the smoking gun for strong magnetic fields.
Previous research has shown that when people sleep, the thalamus — a brain structure that connects the high - level thought areas with the sights and sounds of the outside world — produces brief, high - frequency brain waves called spindles.
But the earthquake seemed to lack the high - frequency waves that would have damaged smaller buildings — and it probably has something to do with its smooth and slow onset, Avouac says.
High - frequency waves tend to cause the most problems for short buildings, whereas low - frequency waves are more damaging for taller buildings.
Wi - Gig requires higher radio wave frequencies, though: 60 gigahertz rather than the 2.4 GHz used by Wi - Fi.
Existing directional antennas that transmit high - frequency radio waves require expensive materials or precise manufacturing.
At a high enough electron density, each cloud reflects high - frequency radio waves like a mirror.
Terahertz waves have a much higher frequency and therefore more potential bandwidth.
This «beam - forming» capability makes the antennas crucial to ultrafast wireless applications, because they can focus a stream of high - frequency radio waves that would quickly dissipate using normal antennas.
Some of the most exotic objects in physics, such as evaporating black holes, cosmic strings and even possible extra dimensions, would induce gravitational waves at much higher frequencies than we can currently detect.
In this case, the sound waves are a million times higher in frequency than anything a human can hear.
They also noted more spikes in high - frequency brain waves when the birds passed by familiar terrain than when they flew over a featureless stretch of water.
Vyssotski found that when the birds flew over landmarks, such as a familiar highway, high - frequency brain waves suddenly got more intense.
But if there are astrophysical events that produce gravitational waves at frequencies too high for LIGO to spot, their memory signals might fall easily into the observatory's detection range, thus allowing us to pick them up.
Vyssotski suspects that the high - frequency waves are tied to recognition of sites the birds knew.
Steward Observatory This aluminum dish, built atop an Army tank turret, gathers high - frequency radio waves.
Traditional accelerators, like the Large Hadron Collider where the Higgs boson was recently discovered, rely on high - power radio - frequency waves to energize electrons.
More powerful computers will allow her to use more of the high - frequency content of earthquake waves, the part that is best at illuminating shallow structures like ULVZs.
Ultrasound waves are produced by firing sound waves at a glass surface or «lens» to create high - frequency vibrations.
As the pulses approached Earth, the ultralow frequency waves made the planet's magnetic field lines oscillate and accelerated electrons traveling along the field lines to extraordinarily high speeds.
In conventional ultrasound machines, the resulting heat causes the lens to expand rapidly, generating high frequency vibrations that produce ultrasound waves.
These include tiny black holes and cosmic strings, both possible phenomena from the early universe that scientists expect to produce high - frequency gravitational waves.
«We've found that thin film liquid either flows towards or away from high - frequency sound waves, depending on its thickness.
Seeking to develop something small, yet powerful, Baud and colleagues turned to ultrasound, an imaging technology that uses high - frequency sound waves to capture moving images of structures inside the body.
The surface of the chip is covered with microelectrodes and the chip is connected to a power source, with the power converted to high - frequency sound waves.
a b c d e f g h i j k l m n o p q r s t u v w x y z