Results 31 to 40 of about 638,510 (300)
Cryogenic Cooling in Wireless Communications
Entropy, 2019 Improving the capacity and performance of communication systems is typically achieved by either using more bandwidth or enhancing the effective signal-to-noise ratio (SNR).
Tomasz G. Markiewicz +1 more
doaj +1 more source
Chaos, Solitons & Fractals, 2011 Electrical heat engines driven by the Johnson-Nyquist noise of resistors are introduced. They utilize Coulomb's law and the fluctuation-dissipation theorem of statistical physics that is the reverse phenomenon of heat dissipation in a resistor. No steams, gases, liquids, photons, combustion, phase transition, or exhaust/pollution are present here.
openaire +2 more sources
Research Facilities for Europe’s Next Generation Gravitational-Wave Detector Einstein Telescope
Galaxies, 2022 The Einstein Telescope is Europe’s next generation gravitational-wave detector. To develop all necessary technology, four research facilities have emerged across Europe: The Amaldi Research Center (ARC) in Rome (Italy), ETpathfinder in Maastricht (The ...
Sibilla Di Pace +13 more
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Unambiguous Acquisition and Tracking Technique for General BOC Signals [PDF]
Radioengineering, 2015 This article presents a new unambiguous acquisition and tracking technique for general Binary Offset Carrier (BOC) ranging signals, which will be used in modern GPS, European Galileo system and Chinese BeiDou system.
F. Shen, G. Xu, J. W. Cheong, H. Feng
doaj
Swarmalators with thermal noise
Physical Review Research, 2023 We investigate a population of swarmalators, a mobile version of phase oscillators that both sync in time and swarm through space. We focus on a XY-type model of identical swarmalators running on a one-dimensional ring and subject to thermal noise. We uncover four distinct collective states, some of which capture the behavior of real-world swarmalators
Hyunsuk Hong +3 more
openaire +3 more sources
, 2004 Using a matched filter technique, we derive the minimum variance, unbiased estimator for the equilibrium displacement of a damped harmonic oscillator in thermal equilibrium when interactions with the thermal bath are the leading source of noise.
Boynton, P. E. +2 more
core +1 more source
Development of mirror coatings for gravitational-wave detectors [PDF]
, 2018 Gravitational waves are detected by measuring length changes between mirrors in the arms of kilometrelong Michelson interferometers. Brownian thermal noise arising from thermal vibrations of the mirrors can limit the sensitivity to distance changes ...
Steinlechner, Jessica
core +1 more source
Calpain small subunit homodimerization is robust and calcium‐independent
FEBS Letters, EarlyView.Calpains dimerize via penta‐EF‐hand (PEF) domains. Using single‐molecule force spectroscopy, we measured the strength and kinetics of PEF–PEF homodimer binding. The interaction is robust, shows a transient conformational step before dissociation, and remains largely insensitive to Ca2+.
Nesha May O. Andoy +4 more
wiley +1 more source
Noise in NC-AFM measurements with significant tip–sample interaction
Beilstein Journal of Nanotechnology, 2016 The frequency shift noise in non-contact atomic force microscopy (NC-AFM) imaging and spectroscopy consists of thermal noise and detection system noise with an additional contribution from amplitude noise if there are significant tip–sample interactions.
Jannis Lübbe +3 more
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Radar multifrequency measurement of elevation angles of low-altitude targets above the sea using the ROOT-MUSIC method [PDF]
Радиофизика и электроника, 2020 Subject and Purpose. The article is devoted to the problem of precision radar measurements of target position data when a low-altitude target is above a rough sea.
Yu.A. Pedenko
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