This may be right — but it is by no way obviously right, since there is no real validation
of the background signal by the models.
If all five of these things hold up, we'd need a heck
of a background signal to just hold T steady.
Bryan Gaensler, an astrophysicist at the University of Toronto, said that as this debris expands, the properties
of this background signal should change.
Slides stained only with the secondary antibody (to determine the threshold
of background signal).
After painstakingly removing multiple sources
of background signals, the team was left with a neutrino flux of 66 billion per square centimeter per second, close to the standard solar model prediction of 60 billion, they report online today in Nature.
Not exact matches
«Given (new CEO Christian Sewing's)
background in credit risk and commercial banking it could be seen as a
signal of a move from investment banking,» Colin McLean, managing director at SVM Asset Management, told CNBC in an email.
«Read through Zhang's apology and it is quickly apparent that this is a mea culpa made under extreme political pressure, in which Zhang, an engineer by
background, ticks the necessary ideological boxes to
signal his intention to fall into line,» David Bandurski, co-director
of the China Media Project, wrote on the site.
Other Team Members: Vice President
of Business Development (Americas / Europe): Efrain Rodriguez Efrain is a retired military Special Operations Reverse
Signal Engineer with a very impressive
background, extensive education, and a set
of global contacts that will allow him to take the CabDaddyGPS product beyond boundaries.
It is possible, against a
background of increasing inflation and a strengthening labour market, that the survey is
signalling some pick - up in underlying wage pressures, but at this stage the extent
of any such pick - up is difficult to assess.
But C.D. Howe Institute research vice president Finn Poschmann said Poloz's
background as head
of Export Development Canada could
signal a shift in the central bank's focus from monetary policy alone to encompass broader issues.
I.
Background of the Dialogue between Process Thinkers and Evangelicals The publication
of Pinnock's Theological Crossfire (1990)
signaled a significant change in the tenor
of evangelical responses to process thought.
Both quarterbacks come from the same football - rich territory around Pittsburgh that laps into Ohio and has produced a number
of outstanding
signal - callers, including Namath (Beaver Falls, Pa.) and Kelly (East Brady, Pa.), and from solid Catholic family
backgrounds with strong father figures.
Trump
signaled a willingness to expand
background checks and raise the age to buy certain firearms in the wake
of the Parkland shooting, but he walked back some
of those positions after meeting with NRA leaders.
Signal - To - Noise Ratio (SNR): Sounds complicated but it is actually pretty simple: SNR measures the level
of your audio to the level
of unwanted
background noise that any speaker makes.
While the latter has a reputation for being hard to isolate, she explains that even degraded RNA generally contains enough intact sequence to analyze — provided investigators can detect the scarce tumor
signals against the immense
background of other RNA molecules in a sample.
«Measurements
of the extragalactic
background radiation are always hard to get, because this
signal is very faint and, as a result, its detection is strongly dependent on how well one can remove the sources
of contamination,» says Angelica De Oliveira - Costa, an expert on cosmic
background observations at the Massachusetts Institute
of Technology.
These are physiological measuring systems, but they still involve a lot
of signal processing and computing that I felt comfortable with given my engineering
background.
Other astronomers say the method
of pulling faint planetary
signals out
of background noise needs to be verified.
A particular combination that appears more often than expected from other, «
background» processes may
signal the presence
of the Higgs.
To claim a Higgs discovery, physicists need to extract from this mess the gold standard
signal — one with a statistical significance
of 5 sigma, meaning the chance
of producing it from
background events alone is less than one in a million.
The strength
of the
signal, direction, name and security level on these are translated into an audio stream made up
of a foreground and
background layer: distant
signals click and pop like hits on a Geiger counter, while the strongest bleat their network ID in a looped melody.
In its importance for our understanding
of — well, everything — measuring such a
signal would be even more revolutionary than mapping the cosmic microwave
background (CMB), the relic light from when the early universe first cooled to transparency some 380,000 years after the big bang.
There are some disadvantages, he says, to a system that uses a cap instead
of a device implanted directly in the brain, such as the
background signals that the cap might pick up.
These gravitational waves we will to detect will almost be the size
of visible universe, but we mean, they'll produce signatures, temperature — well, in this case, the polarization
of the microwave
background — signatures which are at the level, well, the next generation, the best we can imagine doing is getting a 1 [percent] admixture
of a
signal from gravitational waves compared to the
signal of the temperature fluctuations that we, kind
of, measure in the universe.
The faraway galaxies» infrared
signal gets lost in the much brighter infrared glow
of Earth's atmosphere, says Glazebrook, who helped develop a novel technique to subtract the
background and to study the faint galaxies spectroscopically.
One
of their keys to success depends on avoiding
background that could mimic the
signal of neutrinoless double - beta decay.
The result is a mixture
of background sequences that record time and
signal sequences that change depending on the cell's environment.
«A very careful re-check
of data from that station showed a
signal, almost buried in the
background noise but consistent with what was recorded on the IMOS recorder off Rottnest,» Dr Duncan said.
Finding the Higgs boson is a question
of seeing a
signal against a
background.
The detectors are struck regularly by cosmic rays, which can mimic the annihilation
signal, so narrowing the window
of time in which matter — antimatter annihilations should be taking place significantly reduces the
background noise the physicists must sift through to identify genuine annihilation events.
The 38 annihilation
signals detected by ALPHA were well above the expected
background of 1.4 occurrences, strongly indicating that antihydrogen atoms were indeed slamming into the trap walls after being released from confinement.
Whereas technically the potential threats detected by the system in the past were not false positives — they did accurately pick up tiny,
background amounts
of DNA from organisms naturally present in the environment — in effect, they were false alarms because they
signaled the potential occurrence
of a terrorist attack when none had occurred.
Detectors buried deep within a mine registered two potential
signals of dark matter, but either or both could have been
background noise
But it turns out we can actually indirectly measure gravity waves by looking out at the cosmic microwave
background that's come to us from the big bang and imprinted in there, it turns out for reasons I think I won't talk about here, [is] a
signal maybe
of the big bang and I've just, in fact, written a bit about how you might be able to entangle that
signal.
The researchers found that when the animals were paying attention to an area within their field
of view, the
signal strength through corresponding synapses leading into the cortex became more effective, and the
signal was boosted relative to
background noise.
With this novel new detector, PHENIX will be able to separate direct photons from sources
of background that would otherwise overwhelm the
signal.»
Simon reckons the predictable echo
signal of the disc - shaped leaf might help bats find Marcgravia flowers against the random and variable echo
background of the rainforest.
«The only source
of noise is the cosmic microwave
background,» says Tarter, referring to remnant radiation from the big bang, whose
signal has been well studied.
The nearly 6 - minute video, complete with
background music, presents a series
of still shots
of over 60 allegedly duplicated and manipulated images in 24 papers, including 19 instances in a single publication, by a group led by molecular
signaling specialist Shigeaki Kato
of the University
of Tokyo's Institute
of Molecular and Cellular Biosciences.
The ATA can observe a wide range
of wavelengths, so it can check stars in the foreground for ETI
signals while it watches
background galaxies for clouds
of atomic hydrogen.
This
background signal makes it harder for surgeons to see
signal being emitted from the structure
of interest.
The researchers noted in today's (Mar. 27) issue
of Scientific Reports that «Both the models and observations suggest this
signal has only recently emerged from the
background noise
of natural variability.»
«Only after we performed multiple cross-checks did we start to believe that the
signal we saw could not be explained by
backgrounds or known processes, but was evidence
of a new particle.»
The Search for Extraterrestrial Intelligence has always looked for an anomaly in the persistent cosmic
background chatter — a change perhaps in the intensity
of a
signal that can be taken as a sign that a transmission might be a message to us earthlings from other intelligent beings.Each year, medical researchers who gather at the Alzheimer's Association International Conference search for something similar as they weigh reports
of the complex biology
of the human brain for some sign that a drug might actually change the relentless course
of the disease.
«One
of the hurdles in doing this with light is that materials that are able to mix optical
signals also tend to have very strong
background signals as well.
«There's about a one - in - 12 chance that what we're seeing in the dwarf galaxies is not even a
signal at all, just a fluctuation in the gamma - ray
background,» explained Elliott Bloom, a member
of the LAT Collaboration at the Kavli Institute for Particle Astrophysics and Cosmology, jointly located at the SLAC National Accelerator Laboratory and Stanford University.
An understanding
of how these noise features differentially affect
signal encodings along the auditory pathway would require further experiments utilizing a broader set
of background noises.
The brain does not have direct access to; instead, when the sound is produced at a particular amplitude -LRB--RRB- and is heard against a
background of other sounds -LRB--RRB-, the
signal that the ear actually receives is the sound mixture.
To provide records for the global
background signal of greenhouse gases and climate change, we will investigate areas largely unaffected by methane and use them as control areas.
But LIGO saw only just over one cycle
of the Event's ringdown waves before the
signal became buried once more in the
background noise — not yet enough data to provide a rigorous test
of Vishveshwara's predictions.