u型槽微带贴片天线带内RCS降低

2019 International Applied Computational Electromagnetics Society Symposium - China (ACES) Pub Date : 2019-08-01 DOI:10.23919/ACES48530.2019.9060515

Chenghui Wang, Yikai Chen, Shiwen Yang

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引用次数: 0

摘要

提出了一种降低u型槽微带贴片天线带内雷达截面的系统方法。基于经验设计技术设计了u型槽微带贴片天线，并用特征模理论对其进行了分析。通过考察模态显著性、模态电流和模态场等CM指标，区分u槽贴片天线的辐射模式和散射模式。根据指定的RCS还原频段和角范围，选择特定的散射模式并加载集总元。该方法可从理论上计算集总元素的值，最大RCS降低20 dB。

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In-Band RCS Reduction of a U-Slot Microstrip Patch Antenna

A systematic method for reducing the in-band radar cross-section (RCS) of a U-slot microstrip patch antenna is developed. The U-slot microstrip patch antenna is designed based on an empirical design technique and then analyzed using the theory of characteristic modes (TCM). The radiation modes and scattering modes of the U-slot patch antenna are distinguished by examining the CM indicators, including modal significances, modal currents, and modal fields. According to the designated frequency band and angular range for RCS reduction, a specific scattering mode is selected and loaded with lumped elements. Values of the lumped elements can be calculated theoretically in this method and a maximum RCS reduction of 20 dB is obtained.

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来源期刊

2019 International Applied Computational Electromagnetics Society Symposium - China (ACES)

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