新型單層雙頻雙極化微帶反射陣天線的設(shè)計(jì)

薛飛; 王宏建; 董興超

doi:10.11999/JEIT160332

新型單層雙頻雙極化微帶反射陣天線的設(shè)計(jì)

doi: 10.11999/JEIT160332

2.
(中國科學(xué)院國家空間科學(xué)中心微波遙感技術(shù)重點(diǎn)實(shí)驗(yàn)室北京 100190) ②(中國科學(xué)院大學(xué) 北京 100149)

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出版歷程
- 收稿日期: 2016-04-07
- 修回日期: 2016-08-25
- 刊出日期: 2017-03-19

Design of Novel Single Layer Dual-band Dual-polarization Microstrip Reflectarray Antenna

2.
(Key Laboratory of Microwave Remote Sensing, National Space Science Center, Chinese Academy of Sciences, Beijing 100190, China)

摘要

摘要: 該文提出一種新型的具有多諧振結(jié)構(gòu)的單層微帶反射陣單元，是由6個(gè)振子以一定的間隔平行放置組合而成，該單元具有良好的線極化特性。采用高頻電磁仿真軟件HFSS對(duì)單元的各個(gè)參數(shù)進(jìn)行優(yōu)化分析，使得單元的反射相位曲線在兩個(gè)頻段內(nèi)均具有良好的線性度。根據(jù)此單元設(shè)計(jì)了一個(gè)工作在X/Ku波段的偏饋雙頻雙極化微帶反射陣天線，在兩個(gè)頻段內(nèi)采用同一個(gè)角錐喇叭天線作為其饋源。將此反射陣天線進(jìn)行加工并測(cè)試，測(cè)試結(jié)果表明，在X波段中心頻率10 GHz和Ku波段中心頻率13.58 GHz處，天線均具有良好的輻射性能。實(shí)測(cè)和仿真結(jié)果吻合較好，證明了該反射陣天線具有良好的雙頻輻射性能。該文的設(shè)計(jì)對(duì)于微帶反射陣列天線實(shí)現(xiàn)雙頻雙極化性能具有重要的參考價(jià)值。
- 微帶反射陣天線 /
- 雙頻雙極化 /
- 多諧振結(jié)構(gòu) /
- 偏饋
Abstract: A novel single layer microstrip reflectarray element with multi-resonance structure is presented. The element is composed of six dipoles which are placed in parallel at a certain distance. The element has good linear polarization properties. Ansoft HFSS is used to optimize the parameters and linear reflection phase curves in two bands are achieved. A dual-band dual-polarization reflectarray composed of the elements is designed, fabricated and measured. The proposed reflectarray operates in two frequency bands within X band centered at 10 GHz and Ku band centered at 13.58 GHz. The reflectarray is offset fed by only one horn antenna for both bands in two orthogonal polarizations. Measured results show good radiation performance in both bands. A well coincide is obtained between the simulated and measured results, which demonstrate the desirable dual-band dual-polarization radiation performance of the reflectarray. The design is valuable to other reflectarray in achieving dual-band dual-polarization performance.
- Microstrip reflectarray antenna /
- Dual-band dual-polarization /
- Multi-resonance /
- Offset fed

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參考文獻(xiàn)(18)

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