Sentences with phrase «of high frequency noise»

I continue to look at the RCS process in two parts, one where the tree ring age counts are required to establish the overall expected tree ring growth rate (with tree ring age) and the other where tree ring counts are needed at a particular year to provide a decent averaging effect for some of the high frequency noise.
You then say that the first «could be attributed to short term periods of high frequency noise», but are adamant that the second is due to some other cause (I guess CO2 emissions).
Again, you haven't seemed to have described why getting rid of high frequency noise (and high frequency signal) is appropriate to remove the noise of weather from climate.

Not exact matches

The US embassy also handed out high - frequency recorders so diplomats could record the noises, and relocated some of them from homes where the sounds or vibrations had been felt repeatedly.
For example, a moving average is just a simple noise - reduction technique, where very short - term fluctuations («high frequency components») are averaged away, leaving the smoother influence of longer - term fluctuations.
The backdrop noise is not at a high level, and also it's in a part of the frequency range that doesn't mask voice greatly.
He says his team excluded most sources of noise, which would have corrupted the entanglement process, by forcing laser and atoms to interact only at a high frequency.
Since the 1930s, scientists have known that high - frequency sound waves can push particles through liquid, so the right noise might shove them against the sides of a filter as they drift around randomly, allowing the filter to catch them.
Dr. Deepa Sekhar, assistant professor of pediatrics, compared the results of a special hearing screening designed to detect noise - related high - frequency hearing loss with the results of the standard Pennsylvania school hearing test.
Low frequency waves are better received at high altitudes and in dry climates, as this reduces the amount of noise.
«Not only the light weight and the stiffness, but the damping characteristics really just get rid of that high - frequency [vibration], particularly in the luxury electric vehicle space, where you don't have powertrain and exhaust noise and all those other things,» Gass explained.
The motor mounts for the electric motor include a pair of dual insulators that have been developed to minimize vibration where the mount connects to the chassis by cutting off high - frequency noise produced by the electric motor.
The new floating structure of the PCU's reactor greatly reduced vibration and high frequency noise.
For 2012, the use of new body sealing techniques including improved weatherstripping design, and additional expanding foam pillar separators, help reduce high frequency noise by 3 dB within the TL's interior.
The engine's high frequency vibration noise also adds a nimble tone, informing the occupants of this vehicle's dynamic driving performance.
Devices such as no - bark collars (citronella, high - frequency noise, or shock) may appear as a solution, but these do not address the underlying cause of the dog's barking, and often result in developing other bad behavior.
Citizens have tried traps, poisons, high - frequency noise emitters, and all sorts of devices to fight the problem, but one method seems to be working better than the rest, so long as you can get it to stick around.
Q Games collaborates with a different artist for each title, and this time they went with High Frequency Bandwidth, a British electronica outfit who provided a funky, almost trip - hop soundtrack infused with just the right amount of synthesizer noise and sci - fi samples.
Figure 6 of Houston 2011 indeed indicates such error bands (but even more importantly, it shows high frequency noise which is almost an order of magnitude larger).
Fine when your tape noise is mostly high frequency, but even annual is, from a climate point of view) is high frequency.
Our narrative - making powers are too often confounded by an endless shriek of high - frequency news noise.
Roughly speaking, the frequency spectrum of the noise (El Nino etc) has components at higher frequencies than those of the signal (CO2), so differentiation (finding the trend) worsens the signal to noise ratio.
«Picton, Ontario, November 16, 2010 — High levels of low frequency noise (LFN) are produced and can be measured at wind turbine developments according to Richard James INCE, acoustics specialist from Michigan.
Your teaching experience notwithstanding, I understand all too well the primitive appeal of trend plus periodic cycle plus high - frequency noise models of real - world data in the minds of geophysical amateurs.
Something like this seems to have happened on the high - frequency side of the SOL band, perhaps some ENSO noise from DEC (decadal band) getting into the TSI band.
Nevertheless, the simplistic notion that climate variations consist of an analytic trend plus multidecadal periodic cycles hidden by higher - frequency «weather noise» remains endemic among those who feature themselves as «climate scientists.»
Signal to noise ratio of signal intensity measurement can be made high that way, which gives an optical depth map of the atmosphere with good frequency & spatio - temporal resolution.
Note that I composed three moving - average filters of widths 12, 10, and 8 months in order to remove all traces of < 12 month high frequency noise.
But two of the features are accentuated only by two short - term periods of what could be «high frequency «noise»» which is apparently explainable by «Hypothesis I» — i.e. a short term period when some of the «natural» cooling or warming influences converge.
«To examine the sensitivity of our main conclusions to this missing variability, we use the 390 Mann et al. reconstruction (2) to add the amount of high - frequency variability exhibited in 391 global temperature over the past 1500 years to the Holocene stack (1) as white noise and (2) as 392 red noise.
This is eight times higher than the ambient night - time noise level of a rural area, and it also does not account for the impact of low frequency noise emitted by the spinning blades.
Saying that the low frequency noise is much lower than the high frequency means that you have an idea of its power spectral distribution (a blue noise in this case).
The internal structure eliminates high frequency noise interference from the digital circuitry, while shielded power supplies and a large power transformer resist the radiation of noise and vibration.
Additionally the pitch of the fan noise seems a more noticeable higher frequency than other laptops I've used, so it feels louder than it probably is.
Moving on, the top of the range pair are the Ultimate Ears 700 that have 26dBs of noise isolation and use «a custom - tuned dual - armature micro design that separates the high and low frequencies to deliver sound so full and detailed you'll hear breaths in between lyrics».
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