Dirac delta function

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Dirac delta function

[di′rak ′del·tə ‚fəŋk·shən]
(mathematics)
References in periodicals archive ?
T] is narrow compared with the slit width or ideally close to a Dirac delta function, then the SRF approximates to a triangle function with a bandwidth (FWHM, Full Width at Half Maximum) equivalent to a in image plane coordinate.
The result indicates that the radio emissions by the nonlinearly oscillating neutron star are periodically pulse-like radiation with the Dirac delta shape, which is consistent with the general observations of pulsars.
where [delta](x) is the Dirac delta function, and f is a given function such that [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII] for some positive constant c.
MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII] and [delta] being the Dirac delta distribution.
5d(f), where we have used the even property of Dirac delta function.
Dirac delta function [delta](x - L) was introduced to describe a distribution of externally applied torque.
where U(t) is the unit step function, [delta](t) is the Dirac delta function, ([[theta].
x] is the floor operator, [delta](x) is Dirac delta function and u(x) is the unit step function.
Ozcag, Defining the kth Powers of the Dirac Delta Distribution for Negative Integers, Appl.
New to this edition is coverage of the application of Laplace transforms, the Dirac delta function, and the Heaviside function; the Cherkaev, Lurie, and Milton (CLM) stress invariance theorem; and recent developments in thermoelasticity.