Results 11 to 20 of about 5,789,762 (249)
WIREs Cognitive Science, 2023 AbstractA sociologist and a linguist, unaware of each other's work, each assigned a technical meaning to the termframearound 1970, based on separate usages of the wordframefrom the 1950s. Each researcher instigated a theory of frame analysis. Over the following decades, the two approaches to framing became intertwined as followers of both Goffman and ...
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Frontiers in Neurology, 2021 Clinical reports of neurological manifestations associated with severe coronavirus disease 2019 (COVID-19), such as acute ischemic stroke (AIS), encephalopathy, seizures, headaches, acute necrotizing encephalitis, cerebral microbleeds, posterior ...
Tissa Wijeratne +9 more
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Three-level Landau-Zener dynamics [PDF]
Physical Review A, 2019 5 pages, 4 figures. Phys. Rev.
Band, Y. B., Avishai, Y.
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IEEE Access, 2020 The phase-locked loop of grid-connected inverters affects their output impedance characteristics and stability. Based on the NPC, three-level LCL grid-connected inverter, this article first analyzes the frequency characteristics of the improved moving ...
Wei Luo, Dafang Wei, Jianguo Jiang
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Periodically driven three-level systems [PDF]
Physical Review B, 2016 We study the dynamics of a three-level system (ThLS) sinusoidally driven in both longitudinal and transverse directions and in the presence of a uniaxial anisotropy $D$ entering the generic Hamiltonian through the zero-energy splitting term $D(S^{z})^{2}$ where $S^{z}$ is the projection of the spin vector along the quantization direction.
Kenmoe, M. B., Fai, L. C.
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Antichains on Three Levels [PDF]
The Electronic Journal of Combinatorics, 2004 An antichain is a collection of sets in which no two sets are comparable under set inclusion. An antichain ${\cal A}$ is flat if there exists an integer $k\geq 0$ such that every set in ${\cal A}$ has cardinality either $k$ or $k+1$. The size of ${\cal A}$ is $|{\cal A}|$ and the volume of ${\cal A}$ is $\sum_{A\in{\cal A}}|A|$.
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Arctic research at three levels [PDF]
International Journal of Circumpolar Health, 2004 This paper is a posthumous publication of a Steven McNabb's presentation to the 1993 annual meeting of the American Anthropological Association. In it he described how the Social Transitions in the North research project involved explicit cross-cultural contact or participation at three levels: between scientists and public agencies; between scientists
Steven McNabb, Brian Saylor
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Cosmological three-level neutrino laser [PDF]
Physical Review D, 1997 We present a calculation of a neutrino decay scenario in the early Universe. The specific decay is _{2} \to _{1} + , where is a boson. If there is a neutrino mass hierarchy, m_{ _{e}} < m_{ _ } < m_{ _ }, we show that it is possible to generate stimulated decay and effects similar to atomic lasing without invoking new neutrinos, even
Hannestad, Steen, Madsen, Jes
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Nantong Daxue xuebao. Ziran kexue ban, 2021 In order to reduce the switching frequency involved in the traditional three-level model predictive control utilized for permanent magnet synchronous motors(PMSMs), a model predictive torque control scheme associated with the switching frequency ...
YU Feng; ZHU Chenguang; WU Xiaoxin
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Topology analysis and parameter design of three-level multi-input DC/DC converter based on multi-source access [PDF]
Archives of Electrical Engineering, 2023 A three-level multi-input DC/DC converter is proposed to solve the problems of complex interface circuit structure and high economic cost for multi-source access to the joint power supply distribution system.
Jingjing Tian +5 more
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