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Opt Lett. 1998 Mar 15;23(6):409-11.

Quasi-discrete Hankel transform.

Abstract

A quasi-discrete Hankel transform (QDHT) is presented as a new and efficient framework for numerical evaluation of the zero-order Hankel transform. A discrete form of Parseval's theorem is obtained for the first time to the authors' knowledge, and the transform matrix is discussed. It is shown that the S factor, defined as the products of a truncated radius, is critical to building the QDHT.

PMID:
18084527
DOI:
10.1364/ol.23.000409

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