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Simplified approach to probe-corrected spherical near-field scanning

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1 Author(s)
Yaghjian, A.D. ; US Air Force, Rome Air Development Center, Electromagnetic Sciences Division, Bedford, USA

A multipole representation for the response of an arbitrary receiving antenna is derived that allows the formulation of probe-corrected spherical near-field scanning simply in terms of conventional vector spherical harmonics. Both the representation and formulation are free of rotational and translational addition theorems. A sampling theorem derived for Legendre functions is used to evaluate the resulting orthogonality integrals by direct summation in a computer time proportional to (ka)3.

Published in:

Electronics Letters  (Volume:20 ,  Issue: 5 )