An effective NF-FF transformation technique with planar spiral scanning tailored for quasi-planar antennas

被引：33

作者：

D'Agostino, Francesco ^{[1
]}

Ferrara, Flaminio ^{[1
]}

Gennarelli, Claudio ^{[1
]}

Guerriero, Rocco ^{[1
]}

Migliozzi, Massimo ^{[1
]}

机构：

[1] Univ Salerno, Dipartimento Ingn Informaz & Ingn Elettr, I-84084 Fisciano Salerno, Italy

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2008年 / 56卷 / 09期

关键词：

ellipsoidal source modelling; near-field-far-field (NF-FF) transformation techniques; non-redundant sampling representations of electromagnetic fields; planar spiral scanning;

D O I：

10.1109/TAP.2008.928786

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

An effective probe compensated near-field-far-field transformation technique with planar spiral scanning is developed in this paper. It makes use of an ellipsoidal modelling of the source, instead of the previously adopted spherical one. Such a modelling, tailored for quasi-planar antennas, allows one to consider measurement planes at a distance, smaller than one half the antenna maximum size, thus reducing the error related to the truncation of the scanning surface. Moreover, it is quite general, containing the spherical modelling as particular case, band reduces significantly the number of the needed near-field data when dealing with quasi planar antennas. Some numerical tests, assessing the accuracy of the technique and its stability with respect to random errors affecting the data, are reported.

引用

页码：2981 / 2987

页数：7

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