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  4. The weighted averages method for semi-infinite range integrals involving products of Bessel functions
 
research article

The weighted averages method for semi-infinite range integrals involving products of Bessel functions

Golubovic, R.  
•
Polimeridis, A.
•
Mosig, J. R.  
2013
IEEE Transactions on Antennas and Propagation

An efficient and accurate method, based on the weighted averages (WA) extrapolation technique, is presented for the evaluation of semi-infinite range integrals involving products of Bessel functions of arbitrary order. The method requires splitting the integration interval into a finite and an infinite part. The integral over the first finite part is computed using an adaptive quadrature rule based on Patterson formulas. For the evaluation of the remaining integral, the strongly irregular oscillatory behavior of the product of two Bessel functions is first represented as a sum of two asymptotically simply oscillating functions. Then, by applying the integration-then-summation technique, a sequence of partial integrals is obtained, and its convergence is accelerated with the help of WA. Details and possible complications involved in the method are addressed. Finally, the excellent performance of the proposed method is demonstrated throughout several numerical examples.

  • Details
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Type
research article
DOI
10.1109/Tap.2013.2280048
Web of Science ID

WOS:000326832300026

Author(s)
Golubovic, R.  
Polimeridis, A.
Mosig, J. R.  
Date Issued

2013

Publisher

Institute of Electrical and Electronics Engineers

Published in
IEEE Transactions on Antennas and Propagation
Volume

61

Issue

11

Start page

5589

End page

5596

Subjects

Bessel functions

•

extrapolation

•

Bessel functions products

•

Patterson formulas

•

adaptive quadrature rule

•

arbitrary order

•

integration-then-summation technique

•

irregular oscillatory behavior

•

oscillatory behavior

•

partial integrals sequence

•

semiinfinite range integrals

•

weighted averages extrapolation technique

•

weighted averages method

•

Acceleration

•

Accuracy

•

Convergence

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LEMA  
Available on Infoscience
August 2, 2012
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/84343
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