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».