西安电子科技大学天线与电磁散射研究所,陕西,西安,710071
纸质出版:2001
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张福顺, 焦永昌, 刘其中, 等. 减小平面近场测量中多次反射误差的新方法[J]. 电子学报, 2001,29(7):1003-1005.
ZHANG Fu-shun, JIAO Yong-chang, LIU Qi-zhong, et al. New Approach for Reducing the Multiple Reflection Errors in Planar Near-Field Measurement[J]. Acta Electronica Sinica, 2001, 29(7): 1003-1005.
本文给出了用平面近场技术测量超低副瓣天线时
平面近场测量总误差与天线远场方向图副瓣电平的误差方程
并进行了计算机仿真;提出了减小平面近场测量中探头天线与待测天线间多次反射误差和微波暗室电特性误差对超低副瓣天线所引入的测量误差的"自校准法"
实验结果说明该方法是解决平面近场测量中多次反射和微波暗室电特性误差较为理想的方法.
In this paper
the errors of planar near field scanning technique are analyzed for ultra-low-side-lobe antennas
and the concept of the total planar near-field amplitude and phase measured error is proposed.The relationship between the total errors and the far field pattern is then presented for the ultra-low-side-lobe antennas under test in planar near field measurement
and the related computer simulations are carried out.Finally
a "self-correction" method for reducing the multiple-reflection errors and the measurement environment errors is presented
which can improve efficiently the measurement precision in planar near-field measurement.
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