Sentences with phrase «frequency waves in»

It looks like about three low frequency waves in the plot.
Ava measures the ratio between low frequency and high frequency waves in your heart rate.

Not exact matches

• Blackmore Sensors and Analytics Inc, a Bozeman, Montana - based developer of frequency - modulated continuous wave lidar for the automotive industry, raised $ 18 million in Series B funding.
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.
Researchers also had to build in a system to pull energy from incoming radio frequency waves to power the device enough to collect and transmit one glucose reading per second.
In either order, if the «wave» of our being is anarchic, incompatible in its own self with the pulse and frequency, so to speak, of God's Unity - Law - his providence for good - then that impact is part of the principle and problem of evil, an influence for disintegratioIn either order, if the «wave» of our being is anarchic, incompatible in its own self with the pulse and frequency, so to speak, of God's Unity - Law - his providence for good - then that impact is part of the principle and problem of evil, an influence for disintegratioin its own self with the pulse and frequency, so to speak, of God's Unity - Law - his providence for good - then that impact is part of the principle and problem of evil, an influence for disintegration.
However, there are many other brain wave frequencies that are not picked up in ordinary EEC recordings.
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.
According to scientists speaking to Forbes in 2015, there's no plausible way for radio frequency (RF) waves to cause cancer «without re-writing the laws of physics and biology.»
There are also concerns that the frequency of the sound waves that bombard baby might cause fetal distress, or just be really loud to baby while in the womb.
The level of energy exposure to organ tissues transforms into heat energy, in addition to sound waves at varying frequency may lead to unseen disruptions in normal activities and functions.
Rather than dangerous X-rays, however, the chip beams out waves in the harmless terahertz frequency, a little - used portion of the electromagnetic spectrum between microwaves and far - infrared.
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.
Recordings of neural activity in the frontal cortex of the rats showed that, like humans with schizophrenia, these rats also lacked the low frequency burst of brain activity (delta wave) during the timing task.
Researchers designed LIGO to spot waves in the sweet spot for converging black holes and neutron stars, with a frequency ranging from tens of hertz to several thousand.
They also lacked a low frequency burst of brain activity (the delta brain wave) that occurs right at the start of the trial in healthy subjects.
That extended reach, plus an extra boost in sensitivity at the wave frequencies associated with black holes, enabled the historic detection.
While the rendezvous was millions of years in the making, only the final two - tenths of a second produced gravity waves with the requisite intensity and frequency for detection by Advanced LIGO.
The eLISA mission, a space observatory consisting of three miniature satellites, will hunt for waves with frequencies under 1 hertz when it launches in the 2030s.
«We can tune the intensity and the relative phase of three different frequencies,» says Stefan Haessler, «this brings us close to the «perfect wave», which can be calculated in numerical simulations.»
(In this case, a peak in the audio wave is represented by an increase in the frequency of the radio wave, while a trough is represented as a decrease in frequencyIn this case, a peak in the audio wave is represented by an increase in the frequency of the radio wave, while a trough is represented as a decrease in frequencyin the audio wave is represented by an increase in the frequency of the radio wave, while a trough is represented as a decrease in frequencyin the frequency of the radio wave, while a trough is represented as a decrease in frequencyin frequency.)
The number of wave crests arriving from Fast Radio Bursts per second — their «frequency» — is in the same range as that of radio signals.
Two years ago, the team observed an odd behavior in their gyroscopes: at certain frequencies, they could set off a wave that traveled around the edges of the material in one direction only.
Gravitational - wave astronomy is expected to observe more such events in the near future, both in terms of gravitational - wave signals and in the more traditional frequency ranges.
Similar effects are used in acoustics: Different sounds are created by combining waves of different frequencies.
If you provide energy in the form of radio waves, these tiny magnets can switch orientation and give off a resonance frequency that changes predictably based on the strength of the magnetic field.
Global warming is causing not only a general increase in temperatures, but also an increase in the frequency and intensity of extreme weather events, such as flooding, heat waves and droughts.
Strogatz explores dozens of strange synchronous phenomena, from hands clapping in unison to the rhythmic flashing of fireflies to laser beams produced by trillions of atoms emitting light waves in phase at the same frequency.
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.
And in the few minutes left in their lives, the tightening spiral causes both the frequency and strength of the gravitational waves to increase.
In the process, they would produce radio waves at a frequency that depends on the axion's mass, which is unknown.
By incrementally varying the frequencies of the ultrasonic waves, the duo can pinpoint the frequency at which a target resonates — like the amplification of a particular hum in a shower stall.
«We saw strong changes in the electromagnetic wave frequency while they were interacting with the electrons and strong changes in the electrons» activity as well,» Konstantinov said.
Then Eric Grashorn of Ohio State University in Columbus and colleagues noted that some of these radio waves had a similar pattern in their distribution of frequencies.
As a result, even though several airports already rely on a type of terahertz security scanners, they typically use low - frequency, continuous - wave energy at a single terahertz frequency, which enables them to create images of items carried in suitcases and pockets but not a spectral signature of those items that would indicate their composition.
While natural climate variations like El Niño do affect the frequency and severity of heat waves from one year to the next, the study suggests the increases are mainly linked to long - term changes in sea surface temperatures.
Scientists measuring brain activity have found that in many regions, such as the sensory or motor cortex, activity sometimes oscillates at different frequencies, forming wave - like patterns.
Then Eric Grashorn of Ohio State University in Columbus and colleagues noted that some waves had a common pattern in their distribution of frequencies.
Kathmandu's basin of soft sediments helped amplify low - frequency waves, as seen in its destructive effect on taller buildings, says Youssef Hashash, an earthquake engineer at the University of Illinois, Urbana - Champaign, and the lead author of a report published last week that documented the quake's damage to infrastructure.
Taylor and colleagues at JPL and the California Institute of Technology in Pasadena have been studying the best way to use pulsars to detect signals from low - frequency gravitational waves.
The scientists, led by Eric Oliver of Dalhousie University in Canada, investigated long - term heat wave trends using a combination of satellite data collected since the 1980s and direct ocean temperature measurements collected throughout the 21st century to construct a nearly 100 - year record of marine heat wave frequency and duration around the world.
The new system, dubbed radiogenetics, uses a signal, in this case low - frequency radio waves or a magnetic field, to heat or move ferritin particles.
But since they can't dive down to explore what the «spots» actually mean, they have to decipher what the difference in wave frequencies are telling them.
They found that seismic waves could trigger an earthquake in the simulated fault only if they came in a narrow range of frequencies.
The signal — a dip in the intensity of radio waves across certain frequencies — was more than twice as strong as expected.
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 heaIn this case, the sound waves are a million times higher in frequency than anything a human can heain frequency than anything a human can hear.
Molecules in the intervening gas clouds absorb radio waves at specific frequencies determined by the type of molecules.
Defense contractor Lockheed Martin will soon flight - test a plasma antenna (encased in a tough, nonconducting polymer) that is designed to be immune from detection by radar even as it transmits and receives low - frequency radio waves.
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