Contribution of low-frequency climatic–oceanic oscillations to streamflow variability in small, coastal rivers of the Sierra Nevada de Santa Marta (Colombia) [PDF]
Hydrology and Earth System Sciences, 2019 This study evaluated the influence of low-frequency oscillations, that are linked to large-scale oceanographic–atmospheric processes, on streamflow variability in small tropical coastal mountain rivers of the Sierra Nevada de Santa Marta, Colombia.
J. C. Restrepo +5 more
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Shanghai Jiaotong Daxue xuebao, 2023 Aiming at the problem of weakly or negatively damped low-frequency oscillations caused by cross-zone transmission of electricity from large wind farms, this paper proposes a fast terminal sliding-mode additional damping controller based on the Lyapunov ...
LIU Xinyu, WANG Sen, ZENG Long, YUAN Shaoheng, HAO Zhenghang, LU Xinyan
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A synthetic low-frequency mammalian oscillator [PDF]
Nucleic Acids Research, 2010 Circadian clocks have long been known to be essential for the maintenance of physiological and behavioral processes in a variety of organisms ranging from plants to humans. Dysfunctions that subvert gene expression of oscillatory circadian-clock components may result in severe pathologies, including tumors and metabolic disorders.
Tigges Marcel +4 more
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Implementation of Power System Stabilizer Based on Conventional and Fuzzy Logic Controllers
Journal of Engineering, 2018 To damp the low-frequency oscillations which occurred due to the disturbances in the electrical power system, the generators are equipped with Power System Stabilizer (PSS) that provide supplementary feedback stabilizing signals.
Hanan Mikhael Habbi, Ahmed Alhamadani
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A Characterization of the Brightness Oscillations During Thermonuclear Bursts From 4U 1636-536 [PDF]
, 1999 The discovery of nearly coherent brightness oscillations during thermonuclear X-ray bursts from six neutron-star low-mass X-ray binaries has opened up a new way to study the propagation of thermonuclear burning, and may ultimately lead to greater ...
Buccheri R. +4 more
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On the self-excitation mechanisms of Plasma Series Resonance oscillations in single- and multi-frequency capacitive discharges [PDF]
, 2015 The self-excitation of plasma series resonance (PSR) oscillations is a prominent feature in the current of low pressure capacitive radio frequency (RF) discharges.
Brandt, Steven +5 more
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Human biometeorological relevance of low frequency air pressure oscillations
Meteorologische Zeitschrift, 2005 Surveys concerning weather sensitivity, which have been carried out throughout Germany, came to the conclusion that more than every second German assumes that he/she is suffering from weather sensitivity.
Eva Regina Wanka, Peter Höppe
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A numerical study of an inline oscillating cylinder in a free stream [PDF]
, 2011 Simulations of a cylinder undergoing externally controlled sinusoidal oscillations in the free stream direction have been performed. The frequency of oscillation was kept equal to the vortex shedding frequency from a fixed cylinder, while the amplitude ...
Leontini, Justin S. +2 more
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Correlations between kHz QPO and Low Frequency Features Attributed to Radial Oscillations and Diffusive Propagation in the Viscous Boundary Layer Around a Neutron Star [PDF]
, 1999 We present a dimensional analysis of two characteristic time scales in the boundary layer where the disk adjusts to the rotating neutron star (NS). The boundary layer is treated as a transition region between the NS surface and the first Keplerian orbit.
Osherovich, Vladimir, Titarchuk, Lev
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Examination of the demodulation effect of two-tone disturbances on nonlinear elements [PDF]
Advances in Radio Science, 2004 The effect of two disturbing sources with close frequencies on a nonlinear circuit is investigated. It is shown that low-frequency oscillations occur in such a circuit.
J. Nitsch, N. Korovkin, E. Solovyeva
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