Sentences with phrase «higher harmonics»

It is highly likely that both thermal and mechanical phenomena will filter seismic signals, by acting as both low - pass and high - pass filters, so attenuating or completely losing the fundamental and higher harmonics is by no means unreasonable.

The exhibition also features First Sounds (2012), a piece Tang created in collaboration with astronomer Mark Whittle, who used computer calculations rooted in the Cosmic Microwave Background data to recreate the fundamental tone and higher harmonics of the sound of the early universe.

I assume the higher harmonics (200 Hz, 300 Hz,...) could perhaps be created, but the non-harmonic 16.667 Hz seems impossible to create according to my knowledge of physics and mathematics.

But, if you bow it vigorously, it also begins producing higher harmonics, or overtones.

Californian ground squirrels shift their calls to higher harmonics where there are noisy wind turbines.

In contrast, the lower fundamental frequencies of male voices can not compete as easily with the power of an orchestra; male singers, therefore, must often rely on their higher harmonics in order to be heard.

Packing the atoms closer together appears to produce higher harmonics than using single, widely spaced atoms, the researchers said, and working with these frozen gases should help them figure out why.

«By analysing this high harmonic spectrum, we can observe the change in the structural order in these strongly correlated materials «live» for the first time,» says first author of the paper Rui Silva of the Max Born Institute.

«Now, for the first time, we are able to directly compare how high harmonic generation works in the solid and gaseous forms of a single element.

Scientists figured out more than a decade ago how to make this specialized form of light through a process known as «high harmonic generation,» or HHG, which shifts laser light to much shorter wavelengths and shorter pulses by shining it through a cloud of gas.

High harmonic generation is far from new.

Schematic picture for the high harmonic generation (HHG) light source (upper part) with zooming into the region of interaction with the liquid - phase sample (lower part).

«The most popular songs tend to include relatively rare chords, that is, they typically have high harmonic surprise,» says Norberto Grzywacz, a Professor of Neuroscience and Physics, who conducted this research at Georgetown University, Washington, USA.

The other part of the process, as explained in the paper, is using the high harmonic generation process to produce bright spatially coherent beams from a tabletop laser, spanning the range from the vacuum ultraviolet (wavelengths less than 200 nm) to the soft X-ray region of the spectrum (wavelengths less than 10 nm)

His most important contributions include theory of high harmonic generation by low frequency laser fields and atto - second physics, quantum optics of dielectric media, studies of Bose - Einstein condensates and their excitations (solitons, phase fluctuations), theory of entanglement, and more recently studies of strongly correlated many body atomic and quantum optical systems.

Thermal and mechanical effects would attenuate respectively low and high harmonics.

Not exact matches

To focus on the high level harmonic connections of things is to mystify practical politics and permit what should be changed.

«We control the below - threshold harmonic light emission by using electromagnetic fields with time - dependent ellipticity, like we have done to the above - threshold high - order harmonics,» said Chang referring to the creation of a 67 - attosecond pulse of extreme ultraviolet light, which earned him international recognition.

Scientists from the Max - Born - Institut have developed a new light source that is based on the process of high - order harmonic generation.

In a recent publication it was shown that the research on clusters is now also possible with intense XUV pulses obtained in a laboratory - scale environment with a newly developed light source that makes use of the high - order harmonic generation process.

The two lowest frequency resonances, R1 (approximately 300 to 900 Hz) and R2 (approximately 800 to 3,000 Hz), play an important role in speech, providing high power for harmonics of fundamental frequencies that are close to them.

(This tuning of R1 away from its values in normal speech, as well as the large spacing between harmonics, has implications for intelligibility, and is one reason why singers can be hard to understand at very high pitch.)

The blue light is exactly an octave higher than the infrared — the second harmonic.»

«In reality we are observing not the position of the electrons, but rather the high - harmonic spectrum which occurs during the process of interaction between a powerful laser pulse and a molecule.

By irradiating oriented molecules with powerful laser pulses, the researchers were able to obtain high - harmonic spectra reflecting the state of a molecule's electron shell.

This paper demonstrates «high contrast, high quality, full field 3D imaging of surfaces» by combining the tabletop laser source of coherent harmonics at a wavelength of 30 nm with ptychographic CDI.

Here we overcome this challenge with engineered quantum sensing sequences that achieve both enhanced robustness and the simultaneous suppression of higher - order - harmonic resonances.

According to lead author Francesca Poli, the new computer simulations show that the current can best be sustained by injecting high - harmonic radio - frequency waves (HHFWs) and neutral beams into the plasma.

Nettelmann, N. Low - and high - order gravitational harmonics of rigidly rotating Jupiter.

D.R.R. provided a routine to calculate high - order gravitational harmonics efficiently.

Using a technique called bispectral analysis, they analyzed changes to heart rate dynamics in two types of meditation and found that, while different, both shifted «phase coupled harmonics» to higher frequencies.

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Measured rotating weights bolted to engines counter offending harmonics, largely replaced by clever active engine mountings / bushings Balanced crank: Usually done for race prepped engines to reduce the strain on the rotating components and their bearings when spinning at up to 19,000 rpm where a couple of grams turn into kilogrammes at such high rpms Balancer tube: A connection between intake manifoilds of the two banks of a V - type engine to even out pressure of cancel harmonics Bi-Turbo: Term coined to describe an endine with two turbochargers Brake Force Distribution: also called electronic brake force distribution where the ABS first attempts to divert pressure to the wheels that are not locked - up before intervening with its pulsating anti-lock strategy Brake Disc: Or Disc Brake, an aeronautic technology adapted for automotive use to replace the drum brake.

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These are a high - quality harmonic balancer bolts from GM Performance Parts.

The 4th and 5th harmonics come through as muffled, as typical of high frequencies passing through a thick mechanical barrier.

The higher frequency harmonics are important as those shape the waveform.

At first glance they seem more robust than spherical harmonic models, which have more degrees of freedom so that inconsistent data might lead to some dispersion of large - scale power towards higher spherical harmonic degrees.

The degree of the spherical harmonic expansion and the knot - point spacing of the splines are chosen to be higher than the spatial and temporal resolution expected from the data.

It has a higher effective resolution on the order of spherical harmonic degree 5 and around 100 years in time.

Different dipole axis reconstructions appear to converge at least for the recent three millennia, but a notable discrepancy remains among dipole moment estimates, where VADMs give consistently higher values than spherical harmonic models.

DSEE HX upscaling technology uses an algorithm to analyze your music and replace lost harmonics, restoring audio signals to near high - resolution quality.

The HD 650 is geared towards high - end home entertainment systems and can reduce Total Harmonic Distortion, THD, to just 0.05 percent.

The high end is smooth, and rings clear without any sign of harmonic distortion.

Harmonics Talky comes with 45mAh high quality rechargeable battery with charging time of 1 - 2 hours.

We heard complex harmonics within the synthesizers normally exposed only by the finest headphones and high - end speakers.

Professional Duties & Responsibilities Read, understand, and utilize electrical and mechanical schematics and diagrams Trained and guided junior engineers, technicians, and staff members Planned, scheduled, and directed maintenance and technical response teams Proficient in electrical test / repair equipment including DVM, oscilloscopes, hand tools, drill press, hydraulic press, calipers, micrometers, and vacuum leak detectors Maintain and repair all company equipment including ultrahigh vacuum crystal growing machine, computer control system, hydraulics system, and harmonic drive Performed preventative maintenance on chillers, cooling towers, pumps, chemical distribution systems, HVAC, and waste treatment system Oversaw electrical equipment including breakers, transformers, and diode bridges Repaired and maintained packaging equipment, conveyor systems, high water pressure systems, refrigeration units, and other food industry equipment Worked with AC - DC motors, Servo drive, chain and metal belts, and gear boxes Ability to adapt mechanical and electrical knowledge to a variety of industries