- imaginary wavefront
- фронт волны мнимого источника
Англо-русский словарь по ядерным испытаниям и горному делу. 2013.
imaginary wavefront
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wavefront — noun An imaginary surface passing through points of a medium oscillating in phase … Wiktionary
wavefront — noun (physics) an imaginary surface joining all points in space that are reached at the same instant by a wave propagating through a medium • Syn: ↑wave front • Topics: ↑physics, ↑natural philosophy • Hypernyms: ↑surface … Useful english dictionary
Astronomical seeing — Schematic diagram illustrating how optical wavefronts from a distant star may be perturbed by a layer of turbulent mixing in the atmosphere. The vertical scale of the wavefronts plotted is highly exaggerated. Astronomical seeing refers to the… … Wikipedia
Electrocardiogram — An electrocardiogram (ECG or EKG, abbreviated from the German Elektrokardiogramm ) is a noninvasive transthoracic graphic produced by an electrocardiograph, which records the electrical activity of the heart over time. Its name is made of… … Wikipedia
Monopulse radar — is an adaptation of conical scanning radar which sends additional information in the radar signal in order to avoid problems caused by rapid changes in signal strength. The system also makes jamming more difficult. Most radars designed since the… … Wikipedia
Mathematics of radio engineering — A complex valued function. The mathematics of radio engineering is a pleasant and very useful subject. This article is an attempt to provide a reasonably comprehensive summary of this almost limitless topic. While the ideas have historically… … Wikipedia
Electrocardiography — ECG redirects here. For other uses, see ECG (disambiguation). Not to be confused with echocardiogram, electromyogram, electroencephalogram, or EEG. Electrocardiography Intervention Image showing a patient connected to the 10 electrodes necessary … Wikipedia
Hyperspace (science fiction) — Hyperspace is a fictional plot device sometimes used in science fiction. It is typically described as an alternate region of subspace co existing with our own universe which may be entered using an energy field or other device. Travel in… … Wikipedia
Diffraction formalism — Main article: Diffraction Contents 1 Quantitative description and analysis 1.1 General diffraction 1.2 Approximations 1.3 … Wikipedia
wave front — noun 1. all the points just reached by a wave as it propagates • Hypernyms: ↑propagation • Part Holonyms: ↑wave 2. (physics) an imaginary surface joining all points in space that are reached at the same instant by a wave propagating through a… … Useful english dictionary
Nonlinear optics — (NLO) is the branch of optics that describes the behaviour of light in nonlinear media, that is, media in which the dielectric polarization P responds nonlinearly to the electric field E of the light. This nonlinearity is typically only observed… … Wikipedia
