Sentences with phrase «signal noise ratio»

Not exact matches

LinkedIn's size is RelSci's opportunity, as expansion drives LinkedIn's increasingly iffy signal - to - noise ratio even lower.

Firms should focus on helping people access the information they need and filter out the information they don't, thus educing the signal - to - noise ratio.

For starters, there's the declining signal / noise ratio for investment research.

Let's just say that the signal - to - noise ratio for investors has degraded substantially over the yearsIn spite of the large increase in investment information relative to the past, there is little evidence that active managers in aggregate have improved their performance relative to passive strategies.

The noise to signal ratio is too high, and the likelihood of talking....

Wooldridge characterizes the reticular system as the establisher of an optimal signal - to - noise ratio, so to speak, upon which higher levels of experience are staged:» «Volume - control» signals are generated in the reticular system to reduce our sensitivity to uninteresting or irrelevant stimuli and thereby permit us to achieve the peculiar but highly useful phenomenon of mental concentration» (4:143).

Digital acoustical cry analyses captures qualities like frequency, energy, and signal - to - noise ratio and show that a pain cry has a different pattern from other cries (it's high - pitched, loud, and sudden, with some breath - holding).

The noise was measured in decibels with a signal - to - noise ratio and not surprisingly, the lower the ratio, the easier it was for toddlers to learn.

However, when the signal - to - noise ratio was 5, they lost their ability to be able to name the object.

A single, small, retrospective case - control study examined the use of newborn transient evoked otoacoustic emission hearing screening tests as a tool for identifying infants at subsequent risk of SIDS.343 Infants who subsequently died from SIDS did not fail their hearing tests but, compared with controls, showed a decreased signal - to - noise ratio score in the right ear only (at frequencies of 2000, 3000, and 4000 Hz).

Signal - to - noise ratio — too much clutter drowning out the good stuff.

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 mNoise 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 mnoise that any speaker makes.

7.1 channels, an awesome 116 dB signal to noise ratio, and lots of connections make this our top choice.

This panel combines new generations of FISH technologies, pairing oligonucleotide - based SureFISH technology with a ready - to - use formulation of formamide - free IQ Hybridization Buffer, resulting in high signal - to - noise ratios with less than 4 hours of turnaround time.

The resulting high signal - to - noise ratio makes for very responsive detection.

Now, the «smart» bandage developed by the team provides direct, noninvasive measurement of tissue oxygenation by combining three simple, compact and inexpensive components: a bright sensor molecule with a long phosphorescence lifetime and appropriate dynamic range; a bandage material compatible with the sensor molecule that conforms to the skin's surface to form an airtight seal; and an imaging device capable of capturing the oxygen - dependent signals from the bandage with high signal - to - noise ratio.

«The signal - to - noise ratio was quite high — 24 as opposed to [the more typical] 10,» he says.

«It allowed us to go from imaging at one frame per minute to 30 frames per second with a good signal to noise ratio,» says Saar.

Now, researchers from the Graphene Flagship have developed a new device for recording brain activity in high resolution while maintaining excellent signal to noise ratio (SNR).

Nominal signal to noise ratio for the telemetry, RF is nominal.

With our technique, high contrast wide field imaging with high signal to noise ratio is now possible, which leads to high sensitivity wide field imaging.»

«The high detection efficiency and low dark count rate of the SNSPD means that the weak signal from the backscattered light can be detected with a high signal - to - noise ratio,» said Xia.

The scientists hereby investigated numerous scenarios with diverse line spread functions and signal - to - noise ratios.

BRAN FERREN: I guess one reason why one cares is that, as a scientist looking at a deteriorating signal - to - noise ratio, I think it may become harder to find the good stuff when it's overwhelmed by the stuff that isn't.

To accurately detect even smaller metallic fragments, digital filters have also been used to improve the signal - to - noise ratio.

Dynamic range is the ratio between the signal ceiling over the noise floor and is usually measured in decibels (dB).

That detection was riddled with problems, drawn out from spurious data, and ignored a low signal - to - noise ratio in search of a sensational new planet, the kind science fiction has long dreamed of.

«Think of it as a signal - to - noise ratio — there is an inherent level of noise (technical error of measurement, day - to - day fluctuations), and only signals greater than this noise level will be apparent.»

The spatial range corresponding to a good signal - to - noise ratio was tens of meters in the indoor noise environment of the NIST tests, but could be extended to hundreds of meters if the noise were reduced to the sensitivity levels of the sensor.

This extraordinary leap in efficiency is achieved by placing a layer of metamaterials onto the bed of the scanner, which improves the signal - to - noise ratio.

This allows the researchers to make complete measurements in a manner constrained only by the system repetition, detection rate and desired signal - to - noise ratio of the overall final measurement according to Dennett.

Whether you are a neuron or the operator of a ham radio, doubling your signal - to - noise ratio demands quadrupling your energy consumption — a law of rapidly diminishing returns.

By taking measurements on each side of a synapse leading into the cerebral cortex, the team could measure when neurons were firing, the strength of the signal and the signal - to - noise ratio.

The paper, published June 26 in the journal Nature, shows that attention increases the efficiency of signaling into the brain's cerebral cortex and boosts the ratio of signal over noise.

They are also more energy - efficient because they show lower heat loss, better signal - to - noise ratios and are less susceptible to interference.

The simultaneous interrogation of numerous atoms leads to a particularly high signal - to - noise ratio and, thus, to high stability.

«We employed several approximations to determine the amount of data required in bits to fully store a human genetic code and neural information, and the signal to noise ratio of typical signalling equipment.

By stacking together and averaging those images, taken in November of 1980, Stryk was able to boost the signal - to - noise ratio of the final picture and so reveal the feature he argues are the plumes found by Cassini decades later.

Discovered in 1940 by Claude Shannon, this limit depends on the channel's bandwidth — the number of frequencies it can transmit — and its signal - to - noise ratio.

However, this method requires a certain level of the initial signal - to - noise ratio (SNR) of images to be processed; otherwise, an incorrect grouping could occur, cutting down the reconstruction quality.

Given that transit timing is an unproved method for discovering exoplanets, Agol would like to see a signal - to - noise ratio much higher than that found by the European group as well as confirmation by another observational technique.

«We're working on improved signal - to - noise - ratio and speed so that one day this technology can be used to sequence people's DNA,» Drndić said.

Spectra of these targets were not available at the given resolution and signal - to - noise ratio (S / N) before.

There'll be a mass of data to test the models against — a really big signal - to - noise ratio in a few decades time.

Prior to normalization, quality confidence measurements (spot diameter, spot area, array footprint, spot circularity, signal to noise ratio, spot uniformity, background uniformity, and replicate uniformity) were determined for each scanned array on a spot - by - spot basis to assess quality.

Effects of signal - to - noise ratio on the accuracy and reproducibility of diffusion tensor imaging - derived fractional anisotropy, mean diffusivity, and principal eigenvector measurements at 1.5 T.

The researchers tested out their device on a mouse model and found that the electrodes can record action and local field potentials of neurons with high signal - to - noise ratio.

Instead, they weed out all the data that doesn't meet a certain signal - to - noise ratio automatically, leaving them with only the best candidates.

With a signal - to - noise ratio of 411, that event was the brightest fast radio burst detected so far by quite a wide margin.

This allows us to build imaging systems that detect specific application relevant information in the huge amount of accessible optical data with the best possible signal to noise ratio.