Iteration-phase retrieval for quiet zone of compact antenna test ranges

被引：0
|
作者：
Chen, Yuqing [1 ]
Yao, Yuan [1 ]
Yuand, Junsheng [1 ]
Chen, Xiaodong [2 ]
机构：
[1] Beijing Univ Posts & Telecommun, Sch Elect Engn, Beijing 100876, Peoples R China
[2] Queen Mary Univ London, Sch Elect Engn & Comp Sci, London E1 4NS, England
来源：
2019 COMPUTING, COMMUNICATIONS AND IOT APPLICATIONS (COMCOMAP) | 2019年
关键词：
phase retrieval; angular spectrum transmission; GS; HIO; compact antenna test range;
D O I：
10.1109/comcomap46287.2019.9018716
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
An iteration-phase retrieval method for quiet zone of compact antenna test ranges is proposed in this paper. The missing phase can be attained with field amplitude-only data on two parallel planes and initial random spatial phase processed interactively by an algorithm. Thus, a combined Gerchberg-Saxton and hybrid input-output (GS/HIO) algorithm is considered. In order to avoid aliasing effect, the size of data on each plane are enlarged with the same number of zeros padded before iteration, and then reduced into the original size after the propagation of angular spectrum. The required data, sampled at 220GHz with half-wavelength, are obtained through GRASP simulation software. The validity of the method is verified with MATLAB. The results show that the GS/HIO algorithm with zero padded has more effective than without zero padded. The maximum phase deviation in quiet zone (+/- 0.35 m) of x and y-axis is less than 0.72 degrees.
引用
收藏
页码：36 / 39
页数：4
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