discrete base
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Base (Topologie) — Pour les articles homonymes, voir Base. En mathématiques, une base d une topologie est un ensemble d ouverts tel que tout ouvert de la topologie soit l union d éléments de cet ensemble. Sommaire 1 Définition … Wikipédia en Français
Discrete logarithm — In mathematics, specifically in abstract algebra and its applications, discrete logarithms are group theoretic analogues of ordinary logarithms. In particular, an ordinary logarithm loga(b) is a solution of the equation ax = b over the… … Wikipedia
Discrete Fourier transform — Fourier transforms Continuous Fourier transform Fourier series Discrete Fourier transform Discrete time Fourier transform Related transforms In mathematics, the discrete Fourier transform (DFT) is a specific kind of discrete transform, used in… … Wikipedia
Base (topology) — In mathematics, a base (or basis) B for a topological space X with topology T is a collection of open sets in T such that every open set in T can be written as a union of elements of B. We say that the base generates the topology T. Bases are… … Wikipedia
Discrete cosine transform — Transformée en cosinus discrète La transformée en cosinus discrète ou TCD (de l anglais : DCT ou Discrete Cosine Transform) est une transformation proche de la transformée de Fourier discrète (DFT). Le noyau de projection est un cosinus et… … Wikipédia en Français
Discrete time — This article is about discrete time in signal processing. For discrete time in quantum physics, see quantum time. Discrete time is the discontinuity of a function s time domain that results from sampling a variable at a finite interval. For… … Wikipedia
Base flow (random dynamical systems) — In mathematics, the base flow of a random dynamical system is the dynamical system defined on the noise probability space that describes how to fast forward or rewind the noise when one wishes to change the time at which one starts the random… … Wikipedia
Discrete weighted transform — In mathematics, the discrete weighted transform (DWT) is a variation on the discrete Fourier transform over arbitrary fields involving weighting the input before transforming it.[1] References ^ Crandall, Richard; Fagin, Barry (1994), Discrete… … 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
Base station subsystem — The Base Station Subsystem (BSS) is the section of a traditional cellular telephone network which is responsible for handling traffic and signaling between a mobile phone and the network switching subsystem. The BSS carries out transcoding of… … Wikipedia
Base (topologie) — Pour les articles homonymes, voir Base. En mathématiques, une base d une topologie est un ensemble d ouverts tel que tout ouvert de la topologie soit l union d éléments de cet ensemble. Sommaire 1 Définition … Wikipédia en Français
