Sentences with phrase «signal to noise ratio by»

Not exact matches

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.

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.

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.

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.

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 lateBy 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 lateby 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.

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.

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.

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

However, there are several outstanding challenges caused by the relaxation and decoherence processes of the NV center electron spin as these limit quantum gate fidelities on nuclear registers as well as spectral resolution, selectivity and signal to noise ratio in sensing applications.

By collecting more photons, a higher signal to noise ratio can be achieved (6).

The EMG waveform that is recorded can easily be disrupted by noise, although obviously researchers try to use methods that maximize the signal - to - noise ratio (Chowdhury et al. 2013).

In practice, an analog signal is subjected to electronic noise and distortion introduced by signal processing operations and communication channels, which can progressively degrade the signal - to - noise ratio (SNR).

Specifically, he addressed a claim made by Will Happer, a Princeton professor, that no models demonstrate decadal variability in trends (which was not the case), and explored in depth the signal to noise ratio in determining climate trends much more comprehensively than had been done previously.

Like with the dice this is not because the effect is small, but because it is masked by a lot of «noise» in the data, spoiling the signal - to - noise ratio.

Regions showing large positive correlations between GRACE and ECCO, large fraction of ECCO variance explained by GRACE, and large signal - to - noise ratios include the northwestern Pacific Ocean, broad areas of the Southern Ocean, the South China Sea and the Arafura Sea.

Whatever claim one makes about the information that can be extracted from a signal however aggressively filtered must be scaled by the log of 1 plus the signal to noise ratio.

«that no - one has measured a CO2 signal in any modern temperature / time graph, so by standard signal - to - noise ratio physics, there is a strong indication that the climate sensitivity of CO2 is 0.0 C to one place of decimals, or two significant digits.»

There also was an interesting guest post by Donald Rapp on Climate Etc., but unfortunately the ensuing discussion had a pretty low signal to noise ratio and Rapp understandably didn't stay for very long.

In my view, Foster and Rahmstorf 2011 was merely trying to improve the signal - to - noise ratio of the surface temperature record by accounting for some extraneous influences.

WC: >> Part of my service as a blog - owner is to help the signal - to - noise ratio by stopping the commentators calling each other «what a prick you are» <<

If signal - to - noise ratio is upset by the exchange of such language, it is as true of the exchange between blogger and commenters as it is between commenters.

Part of my service as a blog - owner is to help the signal - to - noise ratio by stopping the commentators calling each other «what a prick you are» or «seems like they perpetually havea finger up someone's rectum» or... Oh, but you don't mind about * those * insults, do you?

CO2 affects all surface temperatures on Earth, and in order to improve the signal - to - noise ratio, an ordinary arithmetic mean will enhance the common signal in all the measurements and suppress the internal variations which are spatially incoherent (e.g. not caused by CO2 or other external forcings).

For GOES - R, the ABX would involve 18 sounding channels by reducing the ABI scan rate to improve the signal - to - noise ratio.

1] How strong is your received signal (the bars on your display... although I gather the MiFi doesn't have one) 2] How good is the signal to noise ratio (sadly not displayed by default on any device I'm aware of, although sometimes available with other utilities) 3] What are you actually doing with it.

Aspects of the phone's sound, from a very low signal - to - noise ratio to extremely accurate (for a phone) audio input when recording video, will likely go unappreciated by the vast majority of users — but to those who care, this phone is a dream.

The V5 also packs in the custom built AK4376 Hi - Fi audio chipset that promises an immersive audio experience by giving a signal - to - noise ratio of up to 115dB.