On Phaseless Spherical Near-Field Antenna Measurements

被引：0
|
作者：
Bangun, Arya [1 ]
Culotta-Lopez, Cosme [2 ]
Behboodi, Arash [1 ]
Mathar, Rudolf [1 ]
Heberling, Dirk [2 ]
机构：
[1] Rhein Westfal TH Aachen, Inst Theoret Informat Technol, Aachen, Germany
[2] Rhein Westfal TH Aachen, Inst High Frequency Technol, Aachen, Germany
来源：
2019 13TH EUROPEAN CONFERENCE ON ANTENNAS AND PROPAGATION (EUCAP) | 2019年
关键词：
spherical near-field; measurement; phase retrieval; spherical mode coefficients; RETRIEVAL ALGORITHMS; SIGNAL RECOVERY;
D O I：
暂无
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：
In this article, the application of phaseless measurement in spherical near-field antenna measurements is discussed, where the amplitude is measured and used to estimate the Spherical Mode Coefficients (SMC) of the antenna. Implementing phaseless measurement in a spherical near-field setting is challenging, since the spherical near-field data and its SMC depend highly on the structure of the spherical harmonics or Wigner D-functions, which can be seen as the Fourier basis on the sphere and rotation group. Similar to the phaseless Fourier measurement, considering only an amplitude measurement in this setting creates ambiguity in the reconstruction of the SMC. This paper shows the numerical investigation of several phaseless algorithms applied to spherical near-field antenna measurements.
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页数：5
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