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Alternative TitleError Analysis of Generation and Detection of Electromagnetic Vortex Using Uniform Circular Array
陈亚南; 董晓龙
Source Publication空间科学学报
Keyword轨道角动量 均匀圆形天线阵 涡旋电磁波 误差分析
Other AbstractFor realization of multiplexing of electromagnetic vortex, error performance of generating and detecting electromagnetic vortex by uniform circular array is analyzed. When generating electromagnetic vortex by the uniform circular array, there exists different excitation phase errors including Gaussian distribution error, quantified error, single element error et al. The electromagnetic vortex amplitude-phase characteristics are simulated and analyzed under these phase errors, then the orbital angular momentum modes are calculated, and the error thresholds are given when the modes can be accurately identified. At the same time, the amplitude-phase distribution is analyzed when the detecting array is not parallel to the generation array. Simulation results show that the magnitude of the electromagnetic vortex will become irregular and the phase will remain well within the width of the main lobe under various generating phase errors, and the orbital angular momentum mode cannot be recognized even under small inclination angle detecting error. The results indicate that the electromagnetic vortex has good anti-interference performance for these generating phase errors. However, it is highly sensitive to the inclination angle detecting error.
Indexed ByCSCD
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Document Type期刊论文
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GB/T 7714
陈亚南,董晓龙. 基于均匀圆形天线阵的涡旋电磁波产生与接收误差分析[J]. 空间科学学报,2018,38(3):393-401.
APA 陈亚南,&董晓龙.(2018).基于均匀圆形天线阵的涡旋电磁波产生与接收误差分析.空间科学学报,38(3),393-401.
MLA 陈亚南,et al."基于均匀圆形天线阵的涡旋电磁波产生与接收误差分析".空间科学学报 38.3(2018):393-401.
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