Near-Field/Far-Field Transformation with Helicoidal Scanning from Irregularly Spaced Data

被引：2
|
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, Italy
来源：
INTERNATIONAL JOURNAL OF ANTENNAS AND PROPAGATION | 2010年 / 2010卷
关键词：
NF-FF TRANSFORMATION; ELECTROMAGNETIC-FIELDS; ANTENNA MEASUREMENTS; DATA REDUCTION; INTERPOLATION; RECONSTRUCTION; REPRESENTATION; SAMPLES; NUMBER; PLANE;
D O I：
10.1155/2010/859396
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：
A fast and accurate technique for the compensation of the probe positioning errors in the near-field/far-field transformation with helicoidal scanning is proposed in this paper. It relies on a nonredundant sampling representation using a spherical modelling of the antenna under test and employs an iterative scheme to evaluate the near-field data at the points fixed by the helicoidal nonredundant representation from the acquired irregularly distributed ones. Once these helicoidal data have been recovered, those required by a classical cylindrical near-field/far-field transformation are efficiently determined by using an optimal sampling interpolation algorithm. Some numerical tests assessing the effectiveness of the proposed approach and its stability with respect to random errors affecting the near-field data are shown.
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收藏
页数：8
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