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discrete multiples

См. также в других словарях:

  • Discrete-time Fourier transform — In mathematics, the discrete time Fourier transform (DTFT) is one of the specific forms of Fourier analysis. As such, it transforms one function into another, which is called the frequency domain representation, or simply the DTFT , of the… …   Wikipedia

  • Discrete symmetry — A discrete symmetry is a symmetry that describes non continuous changes in a system. For example, a square possesses discrete rotational symmetry, as only rotations by multiples of right angles will preserve the square s original appearance.… …   Wikipedia

  • Discrete Multi Tone — Orthogonal Frequency Division Multiplexing L’OFDM (Orthogonal Frequency Division Multiplexing) est un procédé de codage de signaux numériques par répartition en fréquences orthogonales sous forme de multiples sous porteuses. DMT (Discrete Multi… …   Wikipédia en Français

  • A derivation of the discrete Fourier transform — In mathematics, computer science, and electrical engineering, the discrete Fourier transform (DFT), occasionally called the finite Fourier transform, is a transform for Fourier analysis of finite domain discrete time signals. As with most Fourier …   Wikipedia

  • Variation discrete — Variation discrète Au début du vingtième siècle, des expériences de physique, comme celle de Robert Andrews Millikan, montrent que des propriétés physiques qu on considérait comme pouvant varier de façon continue, variaient en fait de façon… …   Wikipédia en Français

  • Variation discrète — Au début du XXe siècle, des expériences de physique, comme celle de Robert Andrews Millikan, montrent que des propriétés physiques qu on considérait comme pouvant varier de façon continue, variaient en fait de façon discrète, c est à dire… …   Wikipédia en Français

  • analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… …   Universalium

  • Matrix mechanics — Quantum mechanics Uncertainty principle …   Wikipedia

  • atom — /at euhm/, n. 1. Physics. a. the smallest component of an element having the chemical properties of the element, consisting of a nucleus containing combinations of neutrons and protons and one or more electrons bound to the nucleus by electrical… …   Universalium

  • Euclidean plane isometry — In geometry, a Euclidean plane isometry is an isometry of the Euclidean plane, or more informally, a way of transforming the plane that preserves geometrical properties such as length. There are four types: translations, rotations, reflections,… …   Wikipedia

  • mathematics — /math euh mat iks/, n. 1. (used with a sing. v.) the systematic treatment of magnitude, relationships between figures and forms, and relations between quantities expressed symbolically. 2. (used with a sing. or pl. v.) mathematical procedures,… …   Universalium


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