基于孔径积分和曲面积分的鼻雷达罩特性分析

The 2012 International Workshop on Microwave and Millimeter Wave Circuits and System Technology Pub Date : 2012-04-19 DOI:10.1109/MMWCST.2012.6238208

Juan Wang, Gaofeng Guo, Hu Zheng, E. Li

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引用次数: 4

摘要

本文采用孔径积分和表面积分(AI-SI)的方法，详细研究了半球形天线罩和封闭的前端天线罩对天线特性的影响。当天线罩曲率变化较大时，AI-SI方法优于射线追踪。该算法简单，适用于任何孔径。用该方法计算的半球形封闭远场方向图与孔径天线辐射的精确方向图吻合较好。当有前端天线罩存在时，εr=5.2 ~ 0.08j，传输能量为73.7%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Characteristic analysis of nose radome by aperture-integration and surface-integration method

In this paper, the effects of semi-spherical radome and nose radome enclosed on the characteristics of antenna are investigated in detail by the means of aperture-integration and surface-integration (AI-SI). The AI-SI method is superior to ray tracing when the radome curvature varies significantly. Besides, this algorithm is simply and can be appropriate for any aperture. Calculated far-field patterns enclosed semi-spherical using this numerically technique agree well with the exact pattern for an aperture antenna radiating. In the presence of nose radome with εr=5.2-0.08j, the energy transmission is 73.7%.

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来源期刊

The 2012 International Workshop on Microwave and Millimeter Wave Circuits and System Technology

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