- dipole approximation
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аппроксимация диполем
English-Russian dictionary of geology. 2011.
English-Russian dictionary of geology. 2011.
Discrete dipole approximation — In discrete dipole approximation larger object is approximated in terms of discrete dipoles The discrete dipole approximation (DDA) is a method for computing scattering of radiation by particles of arbitrary shape and by periodic structures.… … Wikipedia
Discrete dipole approximation codes — This article contains list of discrete dipole approximation codes and their applications. The discrete dipole approximation (DDA) is a flexible technique for computing scattering and absorption by targets of arbitrary geometry. Given a target of… … Wikipedia
Dipole — This article is about the electromagnetic phenomenon. For other uses, see dipole (disambiguation). The Earth s magnetic field, approximated as a magnetic dipole. However, the N and S (north and south) poles are labeled here geographically, which… … Wikipedia
Dipole antenna — A schematic of a half wave dipole antenna connected to an unbalanced coaxial cable. Better practice is to connect the balanced dipole to the unbalanced line with a balun. A dipole antenna is a radio antenna that can be made of a simple wire, with … Wikipedia
Dipole model of the Earth's magnetic field — Plot showing field lines (which, in three dimensions would describe shells ) for L values 1.5, 2, 3, 4 and 5 using a dipole model of the Earth s magnetic field The dipole model of the Earth s magnetic field is a first order approximation of the… … Wikipedia
Dipole (disambiguation) — In physics, a dipole is a quantity involved some form of polarity Electric dipole Magnetic dipole Dipole moment (disambiguation) In meteorology: Arctic dipole anomaly Indian Ocean Dipole It may also refer to: Dipole antenna, a type of radio… … Wikipedia
Rotating wave approximation — The rotating wave approximation is an approximation used in atom optics and magnetic resonance. In this approximation, terms in a Hamiltonian which oscillate rapidly are neglected. This is a valid approximation when the applied electromagnetic… … Wikipedia
Computational electromagnetics — Computational electromagnetics, computational electrodynamics or electromagnetic modeling is the process of modeling the interaction of electromagnetic fields with physical objects and the environment. It typically involves using computationally… … Wikipedia
Optical tweezers — (originally called single beam gradient force trap ) are scientific instruments that use a highly focused laser beam to provide an attractive or repulsive force (typically on the order of piconewtons), depending on the refractive index mismatch… … Wikipedia
Light scattering by particles — part of computational electromagnetics dealing with single particle scattering, single scattering albedo, and absorption of electromagnetic radiation.Maxwell s equations are the the basis of theoretical and computational methods. In case of… … Wikipedia
Magnet — This article is about objects and devices that produce magnetic fields. For a description of magnetic materials, see magnetism. For other uses, see Magnet (disambiguation) … Wikipedia