HF Spectral Occupancy Experiment — The HF Spectral Occupancy Experiment is a programme of research undertaken by the Digital Communications Department at University of Manchester Institute of Science and Technology to measure and analyse the usage of the high frequency (HF)… … Wikipedia
загруженность диапазона — — [Л.Г.Суменко. Англо русский словарь по информационным технологиям. М.: ГП ЦНИИС, 2003.] Тематики информационные технологии в целом EN spectral occupancy … Справочник технического переводчика
Over-illumination — This cosmetics store has lighting levels over twice recommended levels[1] Over illumination is the presence of lighting intensity (illuminance) beyond that required for a specified activity. Over illumination was commonly ignored between 1950 and … Wikipedia
Lighting — Not to be confused with lightning. For other uses, see lighting (disambiguation). Low intensity lighting and haze in a concert hall allows laser effects to be visible … Wikipedia
Light pollution — This article is about light pollution in the visible spectrum. For information on pollution in the radio spectrum, see radio spectrum pollution. This time exposure photo of New York City at night shows skyglow, one form of light pollution … Wikipedia
Deep-level transient spectroscopy — (DLTS) is an experimental tool for studying electrically active defects (known as charge carrier traps) in semiconductors. DLTS establishes fundamental defect parameters and measures their concentration in the material. Some of the parameters are … Wikipedia
Density matrix — Mixed state redirects here. For the psychiatric condition, see Mixed state (psychiatry). In quantum mechanics, a density matrix is a self adjoint (or Hermitian) positive semidefinite matrix (possibly infinite dimensional) of trace one, that… … Wikipedia
Channel allocation schemes — In radio resource management for wireless and cellular network, channel allocation schemes are required to allocate bandwidth and communication channels to base stations, access points and terminal equipment. The objective is to achieve maximum… … Wikipedia
Ecology — For other uses, see Ecology (disambiguation). Ecology … Wikipedia
periodic law — /pear ee od ik, pear /, Chem. 1. the law that the properties of the elements are periodic functions of their atomic numbers. 2. Also called Mendeleev s law. (originally) the statement that the chemical and physical properties of the elements… … Universalium
Dynamical mean field theory — (DMFT) is a method to determine the electronic structure of strongly correlated materials. In such materials, the approximation of independent electrons, which is used in Density Functional Theory and usual band structure calculations, breaks… … Wikipedia