双频频率选择表面及其在微带天线宽带RCS减缩中的应用

周禹龙; 曹祥玉; 高军; 郑月军; 张晨

doi:10.11999/JEIT160854

双频频率选择表面及其在微带天线宽带RCS减缩中的应用

doi: 10.11999/JEIT160854

基金项目:

国家自然科学基金 (61271100, 61471389, 61501494, 61671464)

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- 文章访问数: 1405
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- 被引次数: 0
出版历程
- 收稿日期: 2016-08-22
- 修回日期: 2017-01-09
- 刊出日期: 2017-06-19

Dualband Frequncey Selective Surface and Its Application to Wideband RCS Reduction of The Microstrip Antenna

Funds:

The National Natural Science Foundation of China (61271100, 61471389, 61501494, 61671464)

摘要

摘要: 该文设计了一种风车形双频带阻型频率选择表面(FSS) ，并将其加载到双频微带天线地板，实现宽带雷达散射截面(RCS)减缩。风车形FSS每一角都由两个相差90的半方环组成，通过电偶极子谐振和风车FSS高次模谐振实现双频阻带。仿真和实测结果表明，将该FSS单元加载到双频微带天线地板后，在5.20 GHz处，天线E面、H面前向增益基本保持不变；在10.41 GHz处，天线E面、H面前向增益提高了1.8 dBi；同时，天线单站RCS在1.0~16.8 GHz宽带内减缩效果明显，其中x极化波下最大缩减量达到28.3 dB, y极化波下最大减缩量达到36.2 dB。
- 微带天线 /
- 双频段 /
- 频率选择表面 /
- 宽带RCS减缩
Abstract: A dual stop band Frequency Selective Surface (FSS) in windmill-liked shape is proposed, which achieves wide Rader Cross Section (RCS) reduction by applying FSS on the ground of the dualband microstrip antenna. Each corner of the FSS is formed by combining two semi-suqares which have 90 of rotation between each semi-square. The dual stop bands are the results of the resonance of the electric dipole and the higher order mode effect. The simulation and measurement results show that the gain of E plane and H plane at 5.20 GHz is maintained, while the gain of E plane and H plane at 10.41 GHz are increased by 1.8 dBi, simultaneously. The antennas monostatic RCS reduction is obviously observed in a wide frequency band ranging from 1.0 GHz to 16.8 GHz. Whats more, the maximum value is 28.3 dB under x polarization and 36.2 dB under y polarization, respectively.
- Microstrip antenna /
- Dualband /
- Frequency Selective Surface (FSS) /
- Wide RCS reduction

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参考文献(17)

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