# Bessel function

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## Bessel function

[′bes·əl ‚fəŋk·shən]
(mathematics)
A solution of the Bessel equation. Also known as cylindrical function. Symbolized Jn (z).
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
where [J.sub.[mu]] the Bessel function of the first kind of order [mu] and {[j.sub.[mu],n}.sup.[infinity].sub.n=1] 1 is the increasing sequence of positive zeros of [J.sub.[mu]] (cf.
One mathematical description of these structures is called the "Bessel Function Model".
(iv) Several implementation details for algorithm optimization including Woodbury matrix identity for dimension-reduction, pruning a basis function and the third kind Bessel function approximation are discussed, and the CRB of DOA estimation is derived.
A solution of the generalized Bessel differential equation is the generalized Bessel function of order v and degree [mu] specified by the power series with infinite radius of convergence
If c = 1 and k [right arrow] 1, then the generalized k-Bessel function defined in (1) reduces to the classical Bessel function [J.sub.v] defined in Erdelyi .
where R(p) > 0; [K.sub.v](x) is the Bessel function of the second kind defined by (, p.
[I.sub.0]([[beta].sub.m]r) is the zero-order modified Bessel function. The partial differentials of the function y to r and z are the two velocity solutions, [u.sub.r] and [u.sub.z], which are shown below:
Using the integral form of the Bessel function and the limitation N [right arrow] [infinity], the normalized radiation vector [??]([theta], [phi], z) of the array can be deduced as:
(Here [J.sub.v] is Bessel function of the first kind of order v .) Let
where [J.sub.[alpha]] denotes the usual Bessel function of first kind and order [alpha].

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