搜索结果: 1-15 共查到“物理学 propagation”相关记录50条 . 查询时间(0.312 秒)
COUPLE GRAPH BASED LABEL PROPAGATION METHOD FOR HYPERSPECTRAL REMOTE SENSING DATA CLASSIFICATION
Graph Label Propagation Semi-Supervised method Classification Hyperspectral Remote Sensing
2018/5/15
Graph based semi-supervised classification method are widely used for hyperspectral image classification. We present a couple graph based label propagation method, which contains both the adjacency gr...
Invest igation on partially coherent vector beams and their propagation and focusing properties
Invest igation partially coherent vector beams propagation focusing properties
2013/7/3
The propagation and focusing properties of partially coherent vector beams including radially polarized and azi-muthally polarized (AP) beams are theoretically and experimentally investigated. The bea...
Analytical Modeling of Nonlinear Propagation in a Strongly Dispersive Optical Communication System
Analytical Modeling of Nonlinear Propagation Optical Communication System Optics
2012/5/31
Recently an analytical model was presented that treats the nonlinear signal distortion from the Kerr nonlinearity in optical transmission systems as additive white Gaussian noise. This important model...
The criticism by W. E. Lamb, W. Schleich, M. Scully, C. Townes of a simplified quantum electrodynamics which represents the photon as a true particle is illustrated. Collisions being absent in low-pre...
Propagation of gamma rays and production of free electrons in air
Propagation of gamma rays production of free electrons Plasma Physics
2012/4/20
A new concept of remote detection of concealed radioactive materials has been recently proposed \cite{Gr.Nusin.2010}-\cite{NusinSprangle}. It is based on the breakdown in air at the focal point of a h...
Propagation properties of stochastic electromagnetic double-vortex beams in turbulent atmosphere
double-vortex beams coherent polarization turbulent atmosphere
2013/7/3
Based on the extended Huygens–Fresnel principle, we study the propagation properties of stochastic electro-magnetic double-vortex beams in turbulent atmosphere. The result shows that the spreading of ...
Simple Formulas for CalculatingWave Propagation and Splitting in Anisotropic Media
polarization anisotropic media biaxial media compensation films ray tracing
2011/11/29
A general method for dealing with the propagation of waves in homogeneous anisotropic media is presented. The formulas were derived and applied to determine the reflected and transmitted waves resulti...
Propagation of partially coherent double-vortex beams in turbulent atmosphere
Partially coherent Double-vortex beams Turbulent atmosphere
2013/7/3
Based on the extended Huygens–Fresnel principle, we study the propagation properties of partially coherent double-vortex beams in turbulent atmosphere. The intensity distribution of the beams on propa...
Propagation of Airy beams from right-handed material to left-handed material
left-handed material right-handed material Airy beams self-bending
2013/7/3
Based on the ABCD matrix formalism, the propagation property of an Airy beam from right-handed material(RHM) to left-handed material (LHM) is investigated. The result shows that when the Airy beam pro...
The Creation and Propagation of Radiation: Fields Inside and Outside of Sources
The Creation Propagation of Radiation Fields Inside Outside of Sources
2011/8/5
Abstract: We present a new algorithm for computing the electromagnetic fields of currents inside and outside of finite current sources, for arbitrary time variations in the currents. Unexpectedly, we ...
Nonlinear propagation of light in Dirac matter
Nonlinear propagation light Dirac matter Plasma Physics
2011/8/5
Abstract: The nonlinear interaction between intense laser light and a quantum plasma is modeled by a collective Dirac equation coupled with the Maxwell equations. The model is used to study the nonlin...
Noncommutative kappa-Minkowski phi4 theory: Construction, properties and propagation
kappa-deformed space noncommutative quantum field theory High Energy Physics - Theory
2011/10/8
Abstract: We have constructed noncommutative phi^4 field theory on kappa-Minkowski spacetime. Quantum properties via 2-point functions were analized, and effect of birefringence for the massive scalar...
Paraxial propagation in disclinated amorphous media
Paraxial propagation disclinated amorphous media
2011/9/8
We study paraxial beam propagation along the wedge axis of a disclinated amorphous medium.The defect-induced inhomogeneity results in Berry phase and curvature that are affected by the induced uniaxia...
Robust network community detection using balanced propagation
community detection propagation
2011/9/6
Label propagation has proven to be an extremely fast method for detecting communities in large complex networks. Furthermore, due to its simplicity, it is also currently one of the most commonly adopt...
Time scaling with efficient time-propagation techniques for atoms and molecules in pulsed radiation fields
Time scaling atoms and molecules pulsed radiation fields
2011/9/5
We present an ab initio approach to solve the time-dependent Schrodinger equation to treat electron and photon impact multiple ionization of atoms or molecules. It combines the already known time sca...