Transformation formulas for spherical and spheroidal multipole fields

A transformation linking spherical multipole fields with generalized spheroidal multipole fields is derived. Applications including the inverse diffraction problem for spherically scanned near-field data for sources that due to conformal considerations are efficiently described using spheroidal (eit...

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Bibliographic Details
Published in:International journal of electronics and communications 2007-04, Vol.61 (4), p.262-269
Main Authors: Sten, Johan C.-E., Marengo, Edwin A.
Format: Article
Language:English
Subjects:
Field transformation
Near-field scanning
Spherical multipole fields
Spheroidal multipole fields
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Summary:A transformation linking spherical multipole fields with generalized spheroidal multipole fields is derived. Applications including the inverse diffraction problem for spherically scanned near-field data for sources that due to conformal considerations are efficiently described using spheroidal (either oblate or prolate) volume support regions are discussed with the aid of numerical illustrations.
ISSN:1434-8411
1618-0399
DOI:10.1016/j.aeue.2006.04.005