Results 51 to 60 of about 5,174 (205)
An precoding method based on two-sided Jacobi SVD in MIMO PLC system
Dianzi Jishu Yingyong, 2018 In recent years, the MIMO technology has been paid extensive attention in the field of power line communication, which can enhance the system bit rate and spectrum efficiency without increasing bandwidth.
Lin Huan, Li Xiang
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Historical Development of Zoo Tapir (Tapirus ssp.) Survivorship
Zoo Biology, EarlyView.The survivorship of tapirs in zoos has improved significantly over historical time. ABSTRACT Tapirs (Tapirus spp.) are large, long‐lived herbivores native to Central and South America and Southeast Asia. All species are currently classified as Vulnerable (T. terrestris) or Endangered (other species) in the IUCN SSC Red List.
Johanna E. Wittenberg +7 more
wiley +1 more source
Polynomial‐shaped electrodes for adaptive X‐ray optics
Journal of Synchrotron Radiation, EarlyView.A shaped electrode design for lithium niobate adaptive X‐ray mirrors connects actuator degrees of freedom to specific polynomial orders, enabling general shape control and the correction of defocus, coma and fourth‐order aberrations with a limited number of inputs.For adaptive mirrors on X‐ray beamlines and optical systems, we describe a strategy for ...
Kenneth A. Goldberg +2 more
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Gauged sigma-models with nonclosed 3-form and twisted Jacobi structures
Journal of High Energy Physics, 2020 We study aspects of two-dimensional nonlinear sigma models with Wess-Zumino term corresponding to a nonclosed 3-form, which may arise upon dimensional reduction in the target space. Our goal in this paper is twofold.
Athanasios Chatzistavrakidis +1 more
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Journal of the Royal Anthropological Institute, EarlyView.Our understanding of the recolonization of northwest Europe in the period leading up to the Lateglacial Interstadial relies heavily on discoveries from Gough's Cave (Somerset, UK). Gough's Cave is the richest Late Upper Palaeolithic site in the British Isles, yielding an exceptional array of human remains, stone and organic artefacts, and butchered ...
Silvia M. Bello +2 more
wiley +1 more source
Deflection of charged signals in a dipole magnetic field in Kerr background
European Physical Journal C: Particles and FieldsThis paper investigates charged particle deflection in a Kerr spacetime background with a dipole magnetic field, focusing on the equatorial plane and employing the weak field approximation.
Zonghai Li, Junji Jia
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Noncommutative Phase Space Schrödinger Equation with Minimal Length
Advances in High Energy Physics, 2014 We consider the Schrödinger equation under an external magnetic field in two-dimensional noncommutative phase space with an explicit minimal length relation.
H. Hassanabadi +2 more
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Journal of the Royal Anthropological Institute, EarlyView.Gough's Cave is a key archaeological site that has been at heart of British archaeology for the past century. Professor Chris Stringer, whom this special issue honours, has been a key figure in excavations and research projects at the site for many decades.
William A. Marsh
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Reconstruction of Quantum Field Equations from Multi-Branch Hamilton–Jacobi Structures
FoundationsWe develop a framework in which quantum field equations are reconstructed from a multi-branch Hamilton–Jacobi structure supplemented by density functionals on configuration space.
Cécile Barbachoux
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Hamilton-Jacobi formalism of tachyon inflation and cosmological perturbations
上海师范大学学报. 自然科学版, 2014 We study the cosmological inflation models driven by the rolling tachyon field which has a Born-Infeld-type action.We drive the Hamilton-Jacobi equation for the cosmological dynamics of tachyon inflation and the mode equations for the scalar and tensor ...
LIU Daojun
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