一種基于特征模理論設(shè)計(jì)的嵌入式全向共形天線

何其洪; 龔子平; 柯亨玉; 萬顯榮

doi:10.11999/JEIT160089

一種基于特征模理論設(shè)計(jì)的嵌入式全向共形天線

doi: 10.11999/JEIT160089

2.
(武漢大學(xué)電子信息學(xué)院武漢 430079) ②(中國電子科技集團(tuán)公司第五十四研究所石家莊 050081)

基金項(xiàng)目:

國家自然科學(xué)基金(61331012, 61371197, 41333106)

計(jì)量
- 文章訪問數(shù): 1670
- HTML全文瀏覽量: 198
- PDF下載量: 548
- 被引次數(shù): 0
出版歷程
- 收稿日期: 2016-01-19
- 修回日期: 2016-08-01
- 刊出日期: 2016-11-19

An Embedded Omnidirectional Conformal Antenna Based on Theory of Characteristic Modes

2.
(School of Electronic Information, Wuhan University, Wuhan 430079, China)

Funds:

The National Natural Science Foundation of China (61331012, 61371197, 41333106)

摘要

摘要: 特征模理論能夠?yàn)樘炀€設(shè)計(jì)者展現(xiàn)關(guān)于天線工作原理的清晰物理景象。該文基于特征模理論，分析了從金屬腔中簡單環(huán)結(jié)構(gòu)到組合倒L結(jié)構(gòu)等多種結(jié)構(gòu)形式的特征模參數(shù)以及相應(yīng)模式的輻射特性，確定了適宜作為所需天線的結(jié)構(gòu)形式，并研究了有效的激勵(lì)方式。通過參數(shù)優(yōu)化設(shè)計(jì)了一種工作于UHF頻段、結(jié)構(gòu)緊湊的嵌入式全向共形天線，并制作了天線樣機(jī)。天線樣機(jī)直徑為中心頻率的0.260 ，高度為0.080 ，測量電壓駐波比小于2∶1的帶寬為1.8%，測試結(jié)果與仿真結(jié)果吻合。驗(yàn)證了采用特征摸理論進(jìn)行天線設(shè)計(jì)的方法之有效性。
- 全向共形天線 /
- 特征模理論 /
- 組合倒L天線
Abstract: The Theory of Characteristic Modes (TCM) provides the antenna designer with physical insight regarding the antenna operating principles. Based on TCM, this paper analyzes in detail the characteristic modes properties of the several transfigurations of metal ring in a cylinder cavity. These properties give information about the radiation ability of every structure. It is very helpful to choose the very right structure as the desired antenna. This paper also gives an effective feed for the combined Inverse-L mode. The manufactured antenna is measured. The measured results show that the band width is 1.8% for VSWR2, the diameter is 0.260, the height is 0.080, and the measured results agree well with the simulated ones. It is verified that the design method based on TCM is very effective.
- Omnidirectional conformal antenna /
- Theory of Characteristic Modes (TCM) /
- Combined inverse-L antenna

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參考文獻(xiàn)(16)

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