雙頻頻率選擇表面及其在微帶天線寬帶RCS減縮中的應用

周禹龍; 曹祥玉; 高軍; 鄭月軍; 張晨

doi:10.11999/JEIT160854

雙頻頻率選擇表面及其在微帶天線寬帶RCS減縮中的應用

doi: 10.11999/JEIT160854

基金項目:

國家自然科學基金 (61271100, 61471389, 61501494, 61671464)

計量
- 文章訪問數(shù): 1436
- HTML全文瀏覽量: 165
- PDF下載量: 432
- 被引次數(shù): 0
出版歷程
- 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: 該文設計了一種風車形雙頻帶阻型頻率選擇表面(FSS) ，并將其加載到雙頻微帶天線地板，實現(xiàn)寬帶雷達散射截面(RCS)減縮。風車形FSS每一角都由兩個相差90的半方環(huán)組成，通過電偶極子諧振和風車FSS高次模諧振實現(xiàn)雙頻阻帶。仿真和實測結果表明，將該FSS單元加載到雙頻微帶天線地板后，在5.20 GHz處，天線E面、H面前向增益基本保持不變；在10.41 GHz處，天線E面、H面前向增益提高了1.8 dBi；同時，天線單站RCS在1.0~16.8 GHz寬帶內減縮效果明顯，其中x極化波下最大縮減量達到28.3 dB, y極化波下最大減縮量達到36.2 dB。
- 微帶天線 /
- 雙頻段 /
- 頻率選擇表面 /
- 寬帶RCS減縮
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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參考文獻(17)

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