Spherical Near-field Probe Fed Antenna Techniques for Accurate Millimeter Wave Measurements

Spherical Near-field Probe Fed Antenna Techniques for Accurate Millimeter Wave Measurements
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用于精确毫米波测量的球形近场探头馈电天线技术

DOI：
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发表时间：
2016
期刊：
影响因子：
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通讯作者：
J. Dauvignac
J. Dauvignac
中科院分区：
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文献类型：
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作者：
F. Ferrero;S. Gregson;J. Lantéri;L. Brochier;Y. Benoit;C. Migliaccio;J. Dauvignac

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本文介绍了一种为AUT探针距离为500 mm的探针馈电天线的天线方向图测量而开发的特定设置。给出了近场测量的一个例子，并给出了在90GHz时相位捕获的重要误差。使用基于激光跟踪器结构数据的球面校正来改进原始测量。该技术大大改善了相位误差和近远场转换。
This paper present a specific set-up developed for antenna pattern measurements of probe-fed antenna with a 500mm AUT-probe distance. An example of Near-Field measurement is proposed and shows important errors on phase acquisition at 90GHz. Raw measurements are improved using a spherical correction based on laser-tracker structural data. Phase error and Near-field to Far Field transformation are strongly improved with this technique.