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Artykuły w czasopismach na temat „Drift current”

Autor: Grafiati

Data publikacji: 9 listopada 2024

Data aktualizacji: 31 lipca 2025

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1

Nakayama, Yoshihiro, Kay I. Ohshima, and Yasushi Fukamachi. "Enhancement of Sea Ice Drift due to the Dynamical Interaction between Sea Ice and a Coastal Ocean." Journal of Physical Oceanography 42, no. 1 (2012): 179–92. http://dx.doi.org/10.1175/jpo-d-11-018.1.

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Abstract Wind factor, the ratio of sea ice drift speed to surface wind speed, is a key factor for the dynamics of sea ice and is generally about 2%. In some coastal oceans, however, the wind factor tends to be larger near the coast. This study proposes the enhancement mechanism of the sea ice drift caused by the dynamical coupling between sea ice and a coastal ocean. In a coastal ocean covered with sea ice, wind-forced sea ice drift excites coastal trapped waves (shelf waves) and generates fluctuating ocean current. This ocean current can enhance sea ice drift when the current direction is the

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2

Mao, Yadan, and Malcolm L. Heron. "The Influence of Fetch on the Response of Surface Currents to Wind Studied by HF Ocean Surface Radar." Journal of Physical Oceanography 38, no. 5 (2008): 1107–21. http://dx.doi.org/10.1175/2007jpo3709.1.

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Abstract The momentum transfer from wind to sea generates surface currents through both the wind shear stress and the Stokes drift induced by waves. This paper addresses issues in the interpretation of HF radar measurements of surface currents and momentum transfer from air to sea. Surface current data over a 30-day period from HF ocean surface radar are used to study the response of surface currents to wind. Two periods of relatively constant wind are identified—one for the short-fetch condition and the other for the long-fetch condition. Results suggest that the ratio of surface current spee

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3

Imai, Yuki, Junichi Ninomiya, and Nobuhito Mori. "IMPACT OF RANDOM WAVE SPECTRA ON STOKES DRIFT IN COASTAL CURRENT MODELING." Coastal Engineering Proceedings, no. 36 (December 30, 2018): 1. http://dx.doi.org/10.9753/icce.v36.currents.1.

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The wave-induced velocity, known commonly as Stokes drift, plays an important role on upper ocean current system. However, in general, the depth profile tends to be estimated using a regular wave approximation like calculation from significant wave height in order to simplify the modeling. Breivik et al. (2014) proposed an improved Stokes drift profile to considering random waves but discussed limited to deep water. This study proposes a novel treatment of Stokes drift on random waves to consider full directional spectra and the approximated treatment is introduced into coupled ocean-wave mode

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4

MUÑUZURI, A. P., V. PÉREZ-MUÑUZURI, M. GÓMEZ-GESTEIRA, V. I. KRINSKY, and V. PÉREZ-VILLAR. "MECHANISM OF PARAMETRIC RESONANCE OF VORTICES IN EXCITABLE MEDIA." International Journal of Bifurcation and Chaos 04, no. 05 (1994): 1245–56. http://dx.doi.org/10.1142/s0218127494000939.

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An alternating electric current induces a drift of spiral waves (vortices) in the Belousov-Zhabotinsky reaction. When the electric current frequency is twice the frequency of the vortex rotation, the vortex drifts with a velocity about 1/5 of the vortex drift in a constant electric current or 1/20 of the wave front velocity. The dependence of parametric resonance on the chirality of the vortex, excitability of the medium, phase shift between electric current and vortex rotation, frequency and amplitude of the alternating electric current is analyzed and used to control the direction and veloci

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5

Hara, Hideo, Tomoki Joichi, Shunsuke Abe, and Shin Masuda. "Photo-induced DC drift in Mach-Zehnder modulators using lead lanthanum zirconate titanate thin films." AIP Advances 12, no. 12 (2022): 125115. http://dx.doi.org/10.1063/5.0129414.

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We experimentally investigated the photo-induced direct current (DC) drift of a lead lanthanum zirconate titanate (PLZT) Mach-Zehnder modulator with large optical input power. We clarify the mechanism by which short-term and long-term DC drifts arise and discuss each case of DC drift. We reveal that short-term DC drift can be reduced by adjusting the buffer-layer resistivity of the PLZT modulator. We also found that the impurity level of the buffer layer affects long-term DC drift.

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6

Lee, Kwang-Ho, Tag-Gyeom Kim, and Yong-Hwan Cho. "Influence of Tidal Current, Wind, and Wave in Hebei Spirit Oil Spill Modeling." Journal of Marine Science and Engineering 8, no. 2 (2020): 69. http://dx.doi.org/10.3390/jmse8020069.

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The purpose of this study is to investigate the effects of three external forces (tidal current, wind, and waves) on the movement of oil spilled during the Hebei Spirit oil spill accident. The diffusion of the spilled oil was simulated by using a random walk (RW) model that tracks the movement caused by advection-diffusion assuming oil as particles. For oil simulation, the wind drift current generated by wind and tidal current fields were computed by using the environmental fluid dynamics code (EFDC) model. Next, the wave fields were simulated by using the simulating waves nearshore (SWAN) mod

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7

Ahmad, Ali, and H. Saleem. "Current-driven electron drift solitons." Physics Letters A 377, no. 43 (2013): 3128–30. http://dx.doi.org/10.1016/j.physleta.2013.07.061.

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8

Ghaffari, Peygham, and Jan Erik H. Weber. "Mass Transport in the Stokes Edge Wave for Constant Arbitrary Bottom Slope in a Rotating Ocean." Journal of Physical Oceanography 44, no. 4 (2014): 1161–74. http://dx.doi.org/10.1175/jpo-d-13-0171.1.

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Abstract The Lagrangian mass transport in the Stokes surface edge wave is obtained from the vertically integrated equations of momentum and mass in a viscous rotating ocean, correct to the second order in wave steepness. The analysis is valid for bottom slope angles β in the interval 0 &lt; β ≤ π/2. Vertically averaged drift currents are obtained by dividing the fluxes by the local depth. The Lagrangian mean current is composed of a Stokes drift (inherent in the waves) plus a mean Eulerian drift current. The latter arises as a balance between the radiation stresses, the Coriolis force, and

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9

Sakurai, Guilherme Yukio, Jessica Fernandes Lopes, Bruno Bogaz Zarpelão, and Sylvio Barbon Junior. "Benchmarking Change Detector Algorithms from Different Concept Drift Perspectives." Future Internet 15, no. 5 (2023): 169. http://dx.doi.org/10.3390/fi15050169.

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The stream mining paradigm has become increasingly popular due to the vast number of algorithms and methodologies it provides to address the current challenges of Internet of Things (IoT) and modern machine learning systems. Change detection algorithms, which focus on identifying drifts in the data distribution during the operation of a machine learning solution, are a crucial aspect of this paradigm. However, selecting the best change detection method for different types of concept drift can be challenging. This work aimed to provide a benchmark for four drift detection algorithms (EDDM, DDM,

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10

Fukamachi, Yasushi, Kay I. Ohshima, Yuji Mukai, Genta Mizuta, and Masaaki Wakatsuchi. "Sea-ice drift characteristics revealed by measurement of acoustic Doppler current profiler and ice-profiling sonar off Hokkaido in the Sea of Okhotsk." Annals of Glaciology 52, no. 57 (2011): 1–8. http://dx.doi.org/10.3189/172756411795931507.

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AbstractIn the southwestern part of the Sea of Okhotsk off Hokkaido, sea-ice drift characteristics are investigated using the ice and water velocities obtained from a moored upward-looking acoustic Doppler current profiler (ADCP) during the winters of 1999–2001. Using hourly-mean values of these data along with the wind data measured at a nearby coastal station, the wind factor and turning angle of the relative velocity between the ice and water velocities with respect to the wind are calculated assuming free drift under various conditions. Since the simultaneous sea-ice draft data are also av

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11

Palli, Abdul Sattar, Jafreezal Jaafar, Heitor Murilo Gomes, Manzoor Ahmed Hashmani, and Abdul Rehman Gilal. "An Experimental Analysis of Drift Detection Methods on Multi-Class Imbalanced Data Streams." Applied Sciences 12, no. 22 (2022): 11688. http://dx.doi.org/10.3390/app122211688.

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The performance of machine learning models diminishes while predicting the Remaining Useful Life (RUL) of the equipment or fault prediction due to the issue of concept drift. This issue is aggravated when the problem setting comprises multi-class imbalanced data. The existing drift detection methods are designed to detect certain drifts in specific scenarios. For example, the drift detector designed for binary class data may not produce satisfactory results for applications that generate multi-class data. Similarly, the drift detection method designed for the detection of sudden drift may stru

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12

Muhammad Zaly Shah, Muhammad Zafran, Anazida Zainal, Taiseer Abdalla Elfadil Eisa, Hashim Albasheer, and Fuad A. Ghaleb. "A Semisupervised Concept Drift Adaptation via Prototype-Based Manifold Regularization Approach with Knowledge Transfer." Mathematics 11, no. 2 (2023): 355. http://dx.doi.org/10.3390/math11020355.

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Data stream mining deals with processing large amounts of data in nonstationary environments, where the relationship between the data and the labels often changes. Such dynamic relationships make it difficult to design a computationally efficient data stream processing algorithm that is also adaptable to the nonstationarity of the environment. To make the algorithm adaptable to the nonstationarity of the environment, concept drift detectors are attached to detect the changes in the environment by monitoring the error rates and adapting to the environment’s current state. Unfortunately, current

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13

Byun, Sang-Shin, and Jin-Hee Yuk. "A Study on the Drift Characteristics of the Yellow Sea Using the Finite Element Model." Journal of Korean Society of Coastal and Ocean Engineers 36, no. 5 (2024): 199–207. http://dx.doi.org/10.9765/kscoe.2024.36.5.199.

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This study investigates the drift characteristics of the Yellow Sea using a finite element model. A tidal model of the Yellow Sea was constructed, and its accuracy was verified by comparing the calculated tide levels and tidal current results with observed data. Six points with distinct tidal characteristics were selected across different areas of the Yellow Sea, and the drift paths due to tidal currents were analyzed. Additionally, the drift paths under the influence of increasing wind, in combination with tidal currents, were examined. At the point where a north-south reciprocating current o

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14

Betti Beneventi, Giovanni, Massimo Ferro, Alessandro Calderoni, and Paolo Fantini. "Physics-Based Statistical Modeling of PCM Current Drift Including Negative-Drift-Coefficients." IEEE Electron Device Letters 34, no. 7 (2013): 879–81. http://dx.doi.org/10.1109/led.2013.2261892.

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15

Chernyshev, T. B., D. D. Krivoruchko, and A. B. Skrylev. "Measurements of the Drift Current Oscillations in Thrusters with Closed Electron Drift." Technical Physics 63, no. 5 (2018): 689–94. http://dx.doi.org/10.1134/s1063784218050043.

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16

Camerlenghi, Angelo, A. Crise, C. J. Pudsey, E. Accerboni, R. Laterza, and M. Rebesco. "Ten-month observation of the bottom current regime across a sediment drift of the Pacific margin of the Antarctic Peninsula." Antarctic Science 9, no. 4 (1997): 426–33. http://dx.doi.org/10.1017/s0954102097000552.

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We present two time series of bottom current and temperature collected 8 m above the seabed on either side of a large sediment drift located on the continental rise of the Pacific margin of the Antarctic Peninsula. The mean current speed is comparable (6.2 cm s−1 and 6.1 cm s−1 respectively), but the mean direction differs by about 121°. The direction of mean flow follows the bathymetric contour, and the maximum speed never exceeds 20 cm s−1 (below the typical benthic storm threshold). The potential temperature is remarkably stable (0.11 ± 0.01°C and 0.13 ± 0.02°C at the two sites). The cross-

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17

Reolid, Jesús, Christian Betzler, Or M. Bialik, and Nicolas Waldman. "Lenticular-bedding-like bioturbation and the onshore recognition of carbonate drifts (Oligocene, Cyprus)." Journal of Sedimentary Research 90, no. 12 (2020): 1667–77. http://dx.doi.org/10.2110/jsr.2020.70.

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ABSTRACT The fine-grained carbonate deposits of the Oligocene to early Miocene of Cyprus are the most characteristic example of onshore outcropping carbonate drifts. These deposits were analyzed from a sedimentological and ichnological perspective, in order to determine the origin of the lenticular bedding characteristic of such deposits. The facies at the two study sections, Tsada and Petra Tou Romiou, consist of an alternation of thin, poorly cemented, intensely bioturbated marly limestone intervals and thick cemented wackestone intervals with abundant bioturbation and “lenticular bedding.”

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18

Denton, George H., James G. Bockheim, Scott C. Wilson, James E. Leide, and Björn G. Andersen. "Late Quaternary Ice-Surface Fluctuations of Beardmore Glacier, Transantarctic Mountains." Quaternary Research 31, no. 2 (1989): 183–209. http://dx.doi.org/10.1016/0033-5894(89)90005-7.

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AbstractFormer longitudinal profiles of Beardmore Glacier, an outlet through the Transantarctic Mountains, constrain polar plateau elevations near the center of Antarctica and ice-shelf grouding in the southern Ross Embayment. Three gravel drift sheets of late Quaternary age occur alongside Beardmore Glacier. Plunket drift, the youngest, is parallel to and 7–30 m above the present ice surface. The upper limit of Beardmore drift, intermediate in age, is within 35–40 m of the present ice surface near the polar plateau but about 1100 m above the present ice surface near the glacier mouth. The upp

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19

Bockheim, James G., Scott C. Wilson, George H. Denton, Björn G. Andersen, and Minze Stuiver. "Late Quaternary Ice-Surface Fluctuations of Hatherton Glacier, Transantarctic Mountains." Quaternary Research 31, no. 2 (1989): 229–54. http://dx.doi.org/10.1016/0033-5894(89)90007-0.

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AbstractFormer longitudinal profiles of Hatherton Glacier, an outlet through the Transantarctic Mountains, constrain nearby polar plateau elevations and ice-shelf grounding in the southwestern Ross Embayment. Four gravel drift sheets of late Quaternary age beside Hatherton Glacier are, from youngest to oldest, Hatherton, Britannia I, Britannia II, and Danum. The Hatherton drift limit is uniformly 20 to 70 m above the present ice surface. The Britannia II drift limit is within 100 m of the present surface of uppermost Hatherton Glacier but is 450 m above middle Hatherton Glacier. Extrapolation

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20

Mauricio Gonçalves Júnior, Paulo, and Sylvain Chartier. "Technique Analysis for Multilayer Perceptrons to Deal with Concept Drift in Data Streams." Interdisciplinary Journal of Information, Knowledge, and Management 19 (2024): 034. https://doi.org/10.28945/5405.

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Aim/Purpose: This paper describes how to use a multilayer perceptron to improve concept drift recovery in streaming environments. Background: Classifying instances in a data stream environment with concept drift is a challenging topic. The base learner must be adapted online to the current data. Several data mining algorithms have been adapted/used to this type of environment. In this study, two techniques are used to speed up the adaptation of an artificial neural network to the current data, increasing its predictive accuracy while detecting the concept drift sooner. Methodology: Experiments

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21

Chu, Cheng, W. Bard, R. Moore, and Y. C. Lee. "Drift-Alfvén modes in high current pinches." Physics of Fluids 28, no. 4 (1985): 1160. http://dx.doi.org/10.1063/1.865040.

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Itoh, Sanae-I., and Kimitaka Itoh. "Anomalous bootstrap current due to drift waves." Physics Letters A 127, no. 5 (1988): 267–69. http://dx.doi.org/10.1016/0375-9601(88)90694-9.

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Park, J., and H. Lühr. "Relation of zonal plasma drift and wind in the equatorial F region as derived from CHAMP observations." Annales Geophysicae 31, no. 6 (2013): 1035–44. http://dx.doi.org/10.5194/angeo-31-1035-2013.

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Abstract. In this paper we estimate zonal plasma drift in the equatorial ionospheric F region without counting on ion drift meters. From June 2001 to June 2004 zonal plasma drift velocity is estimated from electron, neutral, and magnetic field observations of Challenging Mini-satellite Payload (CHAMP) in the 09:00–20:00 LT sector. The estimated velocities are validated against ion drift measurements by the Republic of China Satellite-1/Ionospheric Plasma and Electrodynamics Instrument (ROCSAT-1/IPEI) during the same period. The correlation between the CHAMP (altitude ~ 400 km) estimates and RO

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Gerrú, R., M. Wiesenberger, M. Held, et al. "Conservation of currents in reduced full-F electromagnetic kinetic and fluid models." Plasma Physics and Controlled Fusion 64, no. 5 (2022): 054005. http://dx.doi.org/10.1088/1361-6587/ac55f6.

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Abstract In this paper, we present an analysis of the conservation of currents in a full-F electromagnetic gyro-kinetic model in the long-wavelength limit. This equation corresponds to what is usually called the ‘vorticity equation’, which is not strictly correct as it cannot be formulated as the curl of a velocity equation. In the paper, we will therefore use the term ‘current conservation equation’ instead. Our results are relevant to reduced plasma descriptions like gyro-kinetic, drift-kinetic, gyro-fluid and drift-fluid models for tokamaks and stellarators. The equation describes the chang

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25

Rabinovich, Alexander B., Georgy V. Shevchenko, and Richard E. Thomson. "Sea Ice and Current Response to the Wind: A Vector Regressional Analysis Approach." Journal of Atmospheric and Oceanic Technology 24, no. 6 (2007): 1086–101. http://dx.doi.org/10.1175/jtech2015.1.

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The authors describe a two-dimensional (vector) regressional model for examining the anisotropic response of ice drift and ocean current velocity (“drift velocity”) to surface wind forcing. Illustration of the method is limited to sea ice response. The principal mathematical and physical properties of the model are outlined, together with estimates of the “response matrices” and the corresponding “response ellipses” (drift velocity response to a unity wind velocity forcing). For each direction, φ, of the wind vector the method describes a corresponding “wind factor” α(φ) (relative drift speed)

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Oppenheim, M. "Evidence and effects of a wave-driven nonlinear current in the equatorial electrojet." Annales Geophysicae 15, no. 7 (1997): 899–907. http://dx.doi.org/10.1007/s00585-997-0899-z.

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Abstract. Ionospheric two-stream waves and gradient-drift waves nonlinearly drive a large-scale (D.C.) current in the E-region ionosphere. This current flows parallel to, and with a comparable magnitude to, the fundamental Pedersen current. Evidence for the existence and magnitude of wave-driven currents derives from a theoretical understanding of E-region waves, supported by a series of nonlinear 2D simulations of two-stream waves and by data collected by rocket instruments in the equatorial electrojet. Wave-driven currents will modify the large-scale dynamics of the equatorial electrojet dur

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Browne, P. F. "Acceleration in the plasma focus and in astrophysics." Laser and Particle Beams 6, no. 3 (1988): 409–20. http://dx.doi.org/10.1017/s0263034600005358.

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Both, in the laboratory (specifically the plasma focus) and in astrophysics, charges are accelerated in magnetically pinched current channels. The current channels are annular cylinders, defined by an electric double layer of thickness δrE and radius R due to radial polarization of the plasma. The electric field Er in the double layer and the azimuthal magnetic field Bϕ ensure drifts of charges in the axial direction, but ions do not take up the full drift velocity because their Larmor radius exceeds δrE. Magnetic pinching of the channel reduces the cross sectional area S, and an instability o

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Fonseca, Nuno, and Fatemeh H. Dadmarzi. "A Wave Drift Force Model for Semi-Submersible Types of Floating Wind Turbines in Large Waves and Current." Journal of Marine Science and Engineering 12, no. 8 (2024): 1389. http://dx.doi.org/10.3390/jmse12081389.

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The correct prediction of slowly varying wave drift loads is important for the mooring analysis of floating wind turbines (FWTs). However, present design analysis tools fail to correctly predict these loads in conditions with current and moderate and large waves. This paper presents a semi-empirical method to correct zero-current potential-flow quadratic transfer functions (QTFs) of horizontal wave drift loads in conditions with current and moderate and large waves. The method is applicable to column-stabilized types of substructures or semi-submersibles. In the first step, the potential-flow

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Palhares, Joao Henrique Quintino, Nikhil Garg, Yann Beilliard, et al. "Phase Change Memory Drift Compensation in Spiking Neural Networks Using a Non-Linear Current Scaling Strategy." Journal of Low Power Electronics and Applications 14, no. 4 (2024): 50. http://dx.doi.org/10.3390/jlpea14040050.

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The non-ideality aspects of phase change memory (PCM) such as drift and resistance variability can pose significant obstacles in neuromorphic hardware implementations. A unique drift and variability compensation strategy is demonstrated and implemented in an FD-SOI SNN hardware unit composed of embedded phase change memories (ePCMs), current attenuators, and spiking neurons. The effect of drift and variability compensation on inference accuracy is tested on the MNIST dataset to show that our drift and variability mitigation strategy is effective in sustaining its accuracy over time. The variab

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Jin, Jong W., and Yvan Bonnassieux. "Drift-Diffusion Analysis of Current Crowding Mechanism: Current-Dependent Series Resistance." Journal of Display Technology 9, no. 11 (2013): 865–70. http://dx.doi.org/10.1109/jdt.2013.2247563.

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Plaksina, Yu Yu, A. V. Pushtaev, V. I. Rodygin, N. A. Vinnichenko, and A. V. Uvarov. "Dispersion relation for wind waves with account for the drift current." Izvestiâ Akademii nauk SSSR. Fizika atmosfery i okeana 60, no. 3 (2024): 285–94. https://doi.org/10.31857/s0002351524030024.

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Analysis of the wind waves dispersion relation becomes complicated if drift current is present. In general, this relation is derived from the Rayleigh equation, which does not have an analytical solution for an arbitrary velocity profile. In the limiting case, when the gravity-capillary wavelength is small compared to the typical flow depth, the simple Doppler approximation can be used. But in general, this approximation is not valid, and it necessary to take into account the vertical profile of horizontal velocity up to the depth, which corresponds to the considered wavelength. The velocity p

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Li, Yong, Hui Li, Jian Wu, et al. "F-region drift current and magnetic perturbation distribution by the X-wave heating ionosphere." Annales Geophysicae 41, no. 2 (2023): 541–49. http://dx.doi.org/10.5194/angeo-41-541-2023.

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Abstract. We present a theoretical and numerical study of the drift current and magnetic perturbation model in the ionosphere by incorporating the ohmic heating model and the magnetohydrodynamic (MHD) momentum equation. Based on these equations, the ionospheric electron temperature and drift current are investigated. The results indicate that the maximum change in electron temperature ΔTe is about 570 K, and the ratio is ΔTe/Te ∼ 48 %. The maximum drift current density is 8×10-10 A m−2, and its surface integral is 5.76 A. Diamagnetic drift current is the main form of current. The low collision

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Kim, Keunyong, Hong Thi My Tran, Kyu-Min Song, et al. "Near-Surface Dispersion and Current Observations Using Dye, Drifters, and HF Radar in Coastal Waters." Remote Sensing 16, no. 11 (2024): 1985. http://dx.doi.org/10.3390/rs16111985.

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This study explores the near-surface dispersion mechanisms of contaminants in coastal waters, leveraging a comprehensive method that includes using dye and drifters as tracers, coupled with diverse observational platforms like drones, satellites, in situ sampling, and HF radar. The aim is to deepen our understanding of surface currents’ impact on contaminant dispersion, thereby improving predictive models for managing environmental incidents such as pollutant releases. Rhodamine WT dye, chosen for its significant fluorescent properties and detectability, along with drifter data, allowed us to

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Berthou, Maxime, Philippe Godignon, Pierre Brosselard, Dominique Tournier, and José Millán. "Integration of Temperature and Current Sensors in 4H-SiC VDMOS." Materials Science Forum 717-720 (May 2012): 1093–96. http://dx.doi.org/10.4028/www.scientific.net/msf.717-720.1093.

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Silicon Carbide VDMOS with integrated current and temperature sensors have been successfully fabricated without degradation of the chip forward or reverse characteristics due to the sensors. The temperature sensors show impedance correlated to the temperature, which permits to track the drift region’s temperature of the device. We have shown that the sensor current ratio can be influenced by the current spreading in the drift layer, especially when the channel resistance contribution is reduced. This aspect will be more critical on VDMOS with low channel resistance. Also, the sensor current ra

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Zhou, Chihua, Xiaotong Lu, Benquan Lu, Yebing Wang, and Hong Chang. "Demonstration of the Systematic Evaluation of an Optical Lattice Clock Using the Drift-Insensitive Self-Comparison Method." Applied Sciences 11, no. 3 (2021): 1206. http://dx.doi.org/10.3390/app11031206.

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The self-comparison method is a powerful tool in the uncertainty evaluation of optical lattice clocks, but any drifts will cause a frequency offset between the two compared clock loops and thus lead to incorrect measurement result. We propose a drift-insensitive self-comparison method to remove this frequency offset by adjusting the clock detection sequence. We also experimentally demonstrate the validity of this method in a one-dimensional 87Sr optical lattice clock. As the clock laser frequency drift exists, the measured frequency difference between two identical clock loops is (240 ± 34) mH

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Shevchenko, Georgy V., Alexander B. Rabinovich, and Richard E. Thomson. "Sea-Ice Drift on the Northeastern Shelf of Sakhalin Island." Journal of Physical Oceanography 34, no. 11 (2004): 2470–91. http://dx.doi.org/10.1175/jpo2632.1.

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Abstract Ice-drift velocity records from coastal radar stations, combined with data from moored current meters and coastal wind stations, are used to examine sea-ice motion off the northeastern coast of Sakhalin Island in the Sea of Okhotsk. Ice motion is shown to be governed primarily by diurnal tidal currents and wind-induced drift, which explain 92%–95% of the total ice-drift variance. Diurnal tidal motions predominate off the northern Sakhalin coast, accounting for 65%–80% of the variance, while low-frequency wind-induced motions prevail off the south-central coast, accounting for over 91%

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Тандоев, А. Г., Т. Т. Мнацаканов та С. Н. Юрков. "Мощные диоды Шоттки с участком отрицательного дифференциального сопротивления на вольт-амперной характеристике". Физика и техника полупроводников 55, № 1 (2021): 75. http://dx.doi.org/10.21883/ftp.2021.01.50390.9521.

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It is shown that at high current densities the carrier transport in base layer of Schottky diodes in addition to commonly accepted diffusive and drift currents is defined by recently discovered diffusion stimulated by quasi-neutral drift (DSQD). The influence of this recently discovered component of current on current-voltage characteristics of Schottky diode has been investigated. It was shown that in case if the ratio of base width $W$ to ambipolar diffusive length $L$ is higher than 1 ($W/L>1$) a part with negative differential resistance appears on the current-voltage characteristics of

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Ivanova, I. N., and O. N. Melnikova. "Drift flow on the water surface with a film of hydrophobic particles in a uniform and decelerating air flow." Seriya 3: Fizika, Astronomiya, no. 4_2023 (September 20, 2023): 2340902–1. http://dx.doi.org/10.55959/msu0579-9392.78.2340902.

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The effect of a film of hydrophobic dust particles on the water surface on the development of a drift current under the influence of wind is studied. In a uniform air flow on a flat water surface, the drift current is caused by viscous forces and increases along the fetch. The formation of stationary waves on a drift current is found if the drift velocity is 𝑈𝑑𝑟> 0.23 m/s. In a decelerating air flow in the presence of wind waves, the total component of the drift velocity 𝑈𝑠𝑢𝑚 cyclically increases and drops to a viscous component when a steep wind wave breaks up into longer linear waves. As

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Bekshaev, A. Y. "Inverse Faraday effect and Stokes drift in plasma." Physics of Aerodisperse Systems, no. 62 (December 25, 2024): 104–10. https://doi.org/10.18524/0367-1631.2024.62.318607.

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Recent theory of the light-induced medium magnetization (inverse Faraday effect, IFE) performed by a transversely-limited circularly-polarized light beam [Phys. Rev. B 91, 020411 (2015)] predicts the existence of a “demagnetization current” (DC) at the beam periphery which, apparently, acts oppositely to the light-induced rotational motion of the charge carriers inside the beam and thus reduces the IFE by the factor of 2. In this note, taking the longitudinal component of the beam into account, we show that the peripheral DC is two times higher than was calculated before. Nevertheless, this ci

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He, Ping, YunKai Ma, and Hui Chen. "Temperature Drift Compensation of Eddy Current Sensor under High Temperature Environment." E3S Web of Conferences 38 (2018): 04005. http://dx.doi.org/10.1051/e3sconf/20183804005.

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Eddy current sensor is an sensor based on eddy current effect. In practical engineering applications, the ambient temperature of eddy current sensor may be up to 135 ℃. The temperature drift of eddy current sensor magnifies the error of displacement detection. In this paper, the main factors that cause temperature drift are analyzed in detail, and the results show that the compensation based on single parameter can not meet the demand of high-precision measurement. For this reason, this paper proposes an external compensation method which applies mathematical fitting to realize compensation fo

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PHILLIPS, W. R. C., A. DAI, and K. K. TJAN. "On Lagrangian drift in shallow-water waves on moderate shear." Journal of Fluid Mechanics 660 (July 16, 2010): 221–39. http://dx.doi.org/10.1017/s0022112010002648.

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The Lagrangian drift in anO(ϵ) monochromatic wave field on a shear flow, whose characteristic velocity isO(ϵ) smaller than the phase velocity of the waves, is considered. It is found that although shear has only a minor influence on drift in deep-water waves, its influence becomes increasingly important as the depth decreases, to the point that it plays a significant role in shallow-water waves. Details of the shear flow likewise affect the drift. Because of this, two temporal cases common in coastal waters are studied, viz. stress-induced shear, as would arise were the boundary layer wind-dri

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SHAIKHISLAMOV, I. F. "MHD analysis of the current-driven flute instability of a plasma." Journal of Plasma Physics 68, no. 1 (2002): 59–73. http://dx.doi.org/10.1017/s0022377802001782.

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The lower-hybrid drift instability of a plasma driven by relative ion–electron motion is analyzed in the framework of the modified magnetohydrodynamic equations. The Hall contribution is expressed in terms that offer a simple physical interpretation of the process and allow a comprehensive study of various features and limits of instability. It is shown that in the chosen terms there are clear-cut ranges of magnetosonic drift, lower-hybrid drift, and kinetic versions of instability that have different properties. It is shown for the first time that the instability may have, besides a flute-lik

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Barddal, Jean Paul, Heitor Murilo Gomes, and Fabrício Enembreck. "Advances on Concept Drift Detection in Regression Tasks Using Social Networks Theory." International Journal of Natural Computing Research 5, no. 1 (2015): 26–41. http://dx.doi.org/10.4018/ijncr.2015010102.

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Mining data streams is one of the main studies in machine learning area due to its application in many knowledge areas. One of the major challenges on mining data streams is concept drift, which requires the learner to discard the current concept and adapt to a new one. Ensemble-based drift detection algorithms have been used successfully to the classification task but usually maintain a fixed size ensemble of learners running the risk of needlessly spending processing time and memory. In this paper the authors present improvements to the Scale-free Network Regressor (SFNR), a dynamic ensemble

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Pudsey, Carol J., and Angelo Camerlenghi. "Glacial–interglacial deposition on a sediment drift on the Pacific margin of the Antarctic Peninsula." Antarctic Science 10, no. 3 (1998): 286–308. http://dx.doi.org/10.1017/s0954102098000376.

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On the continental rise west of the Antarctic Peninsula there are nine large mounds interpreted as sediment drifts, separated by turbidity current channels. Drift 7 is 150 km long, 70 km wide and up to 700 m high and is asymmetric, with steep sides on the south-east (towards the continent) and south-west, and gentle slopes to north-west and north-east. Cores on the gentle sides of the drift show a cyclicity between brown, bioturbated, diatom-bearing mud with foraminifera and radiolarians, and grey, laminated, barren mud. Biostratigraphic evidence is consistent with a Late Quatermary age. Detai

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Morgado, Tiago A., and Mário G. Silveirinha. "Active Graphene Plasmonics with a Drift-Current Bias." ACS Photonics 8, no. 4 (2021): 1129–36. http://dx.doi.org/10.1021/acsphotonics.0c01890.

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Gladd, N. T., and N. A. Krall. "Current-driven drift waves in reversed field pinches." Physics of Fluids 29, no. 5 (1986): 1640. http://dx.doi.org/10.1063/1.865681.

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Yoon, P. H., and A. T. Y. Lui. "Drift instabilities in current sheets with guide field." Physics of Plasmas 15, no. 7 (2008): 072101. http://dx.doi.org/10.1063/1.2938386.

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Bour, D. P., D. W. Treat, R. L. Thornton, R. S. Geels, and D. F. Welch. "Drift leakage current in AlGaInP quantum-well lasers." IEEE Journal of Quantum Electronics 29, no. 5 (1993): 1337–43. http://dx.doi.org/10.1109/3.236147.

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Blanvillain, Sylvain, Alina Voda, Gildas Besancon, and Gabriel Buche. "Subnanometer Positioning and Drift Compensation With Tunneling Current." IEEE Transactions on Control Systems Technology 22, no. 1 (2014): 180–89. http://dx.doi.org/10.1109/tcst.2013.2248364.

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Smith, Stuart D. "Hindcasting iceberg drift using current profiles and winds." Cold Regions Science and Technology 22, no. 1 (1993): 33–45. http://dx.doi.org/10.1016/0165-232x(93)90044-9.

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