# delta function

delta function
a generalized function having the value 0 except at 0, the value infinity at 0, and an integral from minus infinity to plus infinity of 1, used in thermodynamics and quantum mechanics. Also called Dirac delta function.

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Universalium. 2010.

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• delta function — Physics, Math. a generalized function having the value 0 except at 0, the value infinity at 0, and an integral from minus infinity to plus infinity of 1, used in thermodynamics and quantum mechanics. Also called Dirac delta function …   Useful english dictionary

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• Dirac delta function — delta funkcija statusas T sritis fizika atitikmenys: angl. delta function; Dirac delta function vok. Delta Funktion, f; Diracsche Delta Funktion, f rus. дельта функция, f; дельта функция Дирака, f pranc. fonction impulsion unité, f; fonction… …   Fizikos terminų žodynas

• Dirac delta function — Schematic representation of the Dirac delta function by a line surmounted by an arrow. The height of the arrow is usually used to specify the value of any multiplicative constant, which will give the area under the function. The other convention… …   Wikipedia

• Dirac delta function — Physics, Math. See delta function. Also called Dirac function. [named after P.A.M. DIRAC] * * * …   Universalium

• Dirac delta function — Physics, Math. See delta function. Also called Dirac function. [named after P.A.M. DIRAC] …   Useful english dictionary

• Delta-sigma modulation — Delta sigma (ΔΣ; or sigma delta, ΣΔ) modulation is a method for encoding high resolution or analog signals into lower resolution digital signals. The conversion is done using error feedback, where the difference between the two signals is… …   Wikipedia