Evaluation of the Radiated Power from Near-field Measurements Acquired via the Planar Wide-mesh Scanning

被引：0
|
作者：
D'Agostino, Francesco [1 ]
Gennarelli, Claudio [1 ]
Guerriero, Rocco [1 ]
Riccio, Giovanni [1 ]
Savarese, Catello [2 ]
机构：
[1] Univ Salerno, DIIIE, I-84084 Salerno, Italy
[2] Univ Napoli Parthenope, DiT, Ctr Direz Napoli, I-80143 Naples, Italy
来源：
AUTOMATIKA | 2008年 / 49卷 / 1-2期
关键词：
directivity evaluation; NF-FF transformations; nonredundant sampling representations of electromagnetic fields; planar wide-mesh scanning;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A full procedure is developed in this paper for evaluating the power radiated by an antenna under test from a nonredundant number of near-field measurements collected by the innovative planar wide-mesh scanning. It can be applied for the antenna directivity evaluation whenever the power radiated by the antenna in the backward half-space is negligible. Such a procedure makes use of a closed form formula for computing the total radiated power from the knowledge of the radiation intensity samples on the far-field sphere. These samples are determined via a probe compensated near-field - far-field transformation. An optimal sampling interpolation formula is also used for their evaluation. The effectiveness of the proposed procedure is asses.. sed by numerical simulations.
引用
收藏
页码：69 / 76
页数：8
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