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spectral characteristics

См. также в других словарях:

  • Spectral sensitivity — is the relative efficiency of detection, of light or other signal, as a function of the frequency or wavelength of the signal.In visual neuroscience, spectral sensitivity is used to describe the different characteristics of the photopigments in… …   Wikipedia

  • Spectral density — In statistical signal processing and physics, the spectral density, power spectral density (PSD), or energy spectral density (ESD), is a positive real function of a frequency variable associated with a stationary stochastic process, or a… …   Wikipedia

  • spectral type — noun : the type of a star according to a description of its spectrum by means of 10 principal spectral classes, decimal subdivisions of the classes, and symbols indicating special characteristics (as e for stars with bright lines, d for dwarfs,… …   Useful english dictionary

  • spectral type — noun an indication of the physical and chemical characteristics of a star based on the spectrum of light that it emits …   Wiktionary

  • Radar signal characteristics — A Radar System uses a Radio Frequency electromagnetic signal reflected from a target to determine information about that target. In any radar system, the signal transmitted and received will exhibit many of the characteristics described below.The …   Wikipedia

  • Atomic spectral line — In physics, atomic spectral lines are of two types: * An emission line is formed when an electron makes a transition from a particular discrete energy level of an atom, to a lower energy state, emitting a photon of a particular energy and… …   Wikipedia

  • Standard asteroid physical characteristics — For the majority of numbered asteroids, almost nothing is known apart from a few physical parameters. Hundreds of these (See ) have their own Wikipedia page, where the only information is their name and discovery circumstances plus a table of… …   Wikipedia

  • Electro-optical MASINT — is a subdiscipline of Measurement and Signature Intelligence, (MASINT) and refers to intelligence gathering activities which bring together disparate elements that do not fit within the definitions of Signals Intelligence (SIGINT), Imagery… …   Wikipedia

  • Window function — For the term used in SQL statements, see Window function (SQL) In signal processing, a window function (also known as an apodization function or tapering function[1]) is a mathematical function that is zero valued outside of some chosen interval …   Wikipedia

  • cosmos — /koz meuhs, mohs/, n., pl. cosmos, cosmoses for 2, 4. 1. the world or universe regarded as an orderly, harmonious system. 2. a complete, orderly, harmonious system. 3. order; harmony. 4. any composite plant of the genus Cosmos, of tropical… …   Universalium

  • star — starless, adj. /stahr/, n., adj., v., starred, starring. n. 1. any of the heavenly bodies, except the moon, appearing as fixed luminous points in the sky at night. 2. Astron. any of the large, self luminous, heavenly bodies, as the sun, Polaris,… …   Universalium


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