Academic literature on the topic 'Low frequency currents interractions'

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Journal articles on the topic "Low frequency currents interractions"

1

Ward, Alex R., Warwick G. Oliver, and Danielle Buccella. "Wrist Extensor Torque Production and Discomfort Associated With Low-Frequency and Burst-Modulated Kilohertz-Frequency Currents." Physical Therapy 86, no. 10 (2006): 1360–67. http://dx.doi.org/10.2522/ptj.20050300.

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Abstract Background and Purpose. A randomized controlled trial to compare 2 forms of monophasic pulsed currents with 2 forms of burst-modulated, kilohertz-frequency alternating current (“Russian current” and “Aussie current”) was conducted to establish whether different amounts of wrist extensor torque were produced and whether discomfort varied with stimulus type. Subjects. The 32 subjects were adults who were healthy and were drawn from a population of staff and students at La Trobe University. Methods. Each subject received all 4 currents. Maximal electrically induced torque (MEIT) of the w
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2

Margetis, Dionisios, and Nikos Savva. "Low-frequency currents induced in adjacent spherical cells." Journal of Mathematical Physics 47, no. 4 (2006): 042902. http://dx.doi.org/10.1063/1.2190333.

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3

Ehst, D. A. "Toroidal equilibrium with low-frequency wave-driven currents." Nuclear Fusion 25, no. 5 (1985): 629–32. http://dx.doi.org/10.1088/0029-5515/25/5/006.

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Elgar, Steve, and Britt Raubenheimer. "Field Evidence of Inverse Energy Cascades in the Surfzone." Journal of Physical Oceanography 50, no. 8 (2020): 2315–21. http://dx.doi.org/10.1175/jpo-d-19-0327.1.

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AbstractLow-frequency currents and eddies transport sediment, pathogens, larvae, and heat along the coast and between the shoreline and deeper water. Here, low-frequency currents (between 0.1 and 4.0 mHz) observed in shallow surfzone waters for 120 days during a wide range of wave conditions are compared with theories for generation by instabilities of alongshore currents, by ocean-wave-induced sea surface modulations, and by a nonlinear transfer of energy from breaking waves to low-frequency motions via a two-dimensional inverse energy cascade. For these data, the low-frequency currents are n
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Rumyantsev, Sergey L., Michael S. Shur, Michael E. Levinshtein, et al. "Low Frequency Noise in 4H-SiC MOSFETs." Materials Science Forum 615-617 (March 2009): 817–20. http://dx.doi.org/10.4028/www.scientific.net/msf.615-617.817.

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Low-frequency noise in 4H-SiC MOSFETs has been measured for the first time. At drain currents varying from deep subthreshold to strong inversion, the 1/f (flicker) noise dominated at frequencies 1 - 105 Hz. The dependence of relative spectral noise density, , on drain current Id (at a constant drain voltage Vd) differs qualitatively from that in Si MOSFETs. In Si MOSFETs, ~ 1/ in strong inversion, whereas tends to saturate in sub-threshold. In 4H-SiC MOSFETs under study, ~ 1/ over the whole range of currents from deep sub-threshold to strong inversion. Similar noise behavior is often observed
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6

Johnson, E. R. "Boundary Currents, Free Currents and Dissipation in the Low-Frequency Scattering of Shelf Waves." Journal of Physical Oceanography 19, no. 9 (1989): 1291–300. http://dx.doi.org/10.1175/1520-0485(1989)019<1291:bcfcad>2.0.co;2.

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7

Torres, Hector S., Patrice Klein, Jinbo Wang, et al. "Wind work at the air-sea interface: a modeling study in anticipation of future space missions." Geoscientific Model Development 15, no. 21 (2022): 8041–58. http://dx.doi.org/10.5194/gmd-15-8041-2022.

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Abstract. Wind work at the air-sea interface is the transfer of kinetic energy between the ocean and the atmosphere and, as such, is an important part of the ocean-atmosphere coupled system. Wind work is defined as the scalar product of ocean wind stress and surface current, with each of these two variables spanning, in this study, a broad range of spatial and temporal scales, from 10 km to more than 3000 km and hours to months. These characteristics emphasize wind work's multiscale nature. In the absence of appropriate global observations, our study makes use of a new global, coupled ocean-at
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Wijesekera, H. W., W. J. Teague, D. W. Wang, et al. "Low-Frequency Currents from Deep Moorings in the Southern Bay of Bengal." Journal of Physical Oceanography 46, no. 10 (2016): 3209–38. http://dx.doi.org/10.1175/jpo-d-16-0113.1.

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AbstractHigh-resolution currents and hydrographic fields were measured at six deep-water moorings in the southern Bay of Bengal (BoB) by the Naval Research Laboratory as part of an international effort focused on the dynamics of the Indian Ocean. Currents, temperature, and salinity were sampled over the upper 500 m for 20 months between December 2013 and August 2015. One of the major goals is to understand the space–time scales of the currents and physical processes that contribute to the exchange of water between the BoB and the Arabian Sea. The observations captured Southwest and Northeast M
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9

Shevchenko, I. V., P. S. Berloff, D. Guerrero-López, and J. E. Roman. "On low-frequency variability of the midlatitude ocean gyres." Journal of Fluid Mechanics 795 (April 15, 2016): 423–42. http://dx.doi.org/10.1017/jfm.2016.208.

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This paper studies the large-scale low-frequency variability of the wind-driven midlatitude ocean gyres and their western boundary currents, such as the Gulf Stream or Kuroshio, simulated with the eddy-resolving quasi-geostrophic model. We applied empirical orthogonal functions analysis to turbulent flow solutions and statistically extracted robust and significant large-scale decadal variability modes concentrated around the eastward jet extension of the western boundary currents. In order to interpret these statistical modes dynamically, we linearized the governing quasi-geostrophic equations
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10

Laufer, Yocheved, and Michal Elboim. "Effect of Burst Frequency and Duration of Kilohertz-Frequency Alternating Currents and of Low-Frequency Pulsed Currents on Strength of Contraction, Muscle Fatigue, and Perceived Discomfort." Physical Therapy 88, no. 10 (2008): 1167–76. http://dx.doi.org/10.2522/ptj.20080001.

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BackgroundLow-frequency pulsed currents (LPCs) and kilohertz-frequency alternating currents (KACs) are used clinically to augment muscle contractions. Treatment effectiveness may be enhanced by selecting stimulation parameters that evoke the strongest contractions with minimal discomfort and fatigue.ObjectiveThe objective of this study was to compare maximally induced strength (force-producing capacity) of contractions, muscle fatigue, and discomfort associated with an LPC and with 3 KACs differing in frequency and duration of burst modulation.DesignThis was a repeated-measures trial, with ran
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