Synthesized-reference-wave holography for determining antenna radiation characteristics
Synthesized-reference-wave holography for determining antenna radiation characteristics
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DOI：
10.1109/map.2008.4674712
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发表时间：
2008-11
影响因子：
3.5
通讯作者：
V. Schejbal;V. Kovarik;D. Cermak
中科院分区：
文献类型：
--
作者：
V. Schejbal;V. Kovarik;D. Cermak
合成参考波全息技术提供了相对简单和成本效益的天线辐射特性的测量和使用近场强度（功率）图案测量的复杂孔径场的重建。近场被过采样。使用随探头位置线性偏移的参考信号间接获得相位。这些方法允许利用探头补偿的优点，用于平面和圆柱扫描的近场振幅和相位测量，包括精度分析。本文介绍了平面和柱面扫描的探头补偿全息近场测量方法，并进行了数值模拟。全息近场和远场测量与探头补偿的比较。
Synthesized-reference-wave holographic techniques offer relatively simple and cost-effective measurement of antenna radiation characteristics and reconstruction of complex aperture fields using near-field intensity (power) pattern measurement. The near field is over-sampled. The phase is obtained indirectly, using the reference signal shifted linearly with the position of the probe. These methods allow utilization of advantages for probe compensation for near-field amplitude and phase measurements for planar and cylindrical scanning, including accuracy analyses. Descriptions are given of holographic near- field measurements using probe compensation for planar and cylindrical scanning, and numerical simulations. A comparison of holographic near-field and far-field measurements with and without probe compensation is presented.