DC-6 GHz寬帶同軸電磁輻照實(shí)驗(yàn)裝置的設(shè)計(jì)研究

王詩(shī)棋; 房少軍; 陳鵬

doi:10.11999/JEIT180593

DC-6 GHz寬帶同軸電磁輻照實(shí)驗(yàn)裝置的設(shè)計(jì)研究

doi: 10.11999/JEIT180593

大連海事大學(xué)信息科學(xué)技術(shù)學(xué)院 ??大連 ??116026

詳細(xì)信息

作者簡(jiǎn)介:
王詩(shī)棋：女，1993年生，博士生，研究方向?yàn)殡姶艌?chǎng)與微波技術(shù)、生物電磁學(xué)

房少軍：男，1957年生，教授，博士生導(dǎo)師，研究方向?yàn)槲⒉夹g(shù)與微波通信

陳鵬：男，1977年生，副教授，研究方向?yàn)殡姶艌?chǎng)與微波技術(shù)、生物電磁學(xué)、無(wú)線傳感器網(wǎng)絡(luò)、超寬帶無(wú)線通信技術(shù)與天線

通訊作者:
陳鵬　chenpeng213@126.com

中圖分類號(hào): TN814
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出版歷程
- 收稿日期: 2018-06-13
- 修回日期: 2018-12-26
- 網(wǎng)絡(luò)出版日期: 2019-01-22
- 刊出日期: 2019-05-01

Design and Research of DC-6 GHz Broadband Electromagnetic Radiation Experimental Device

College of Information Science and Technology, Dalian Maritime University, Dalian 116026, China

摘要

摘要:
由于傳統(tǒng)TEM小室的頻帶寬度不能滿足日益增長(zhǎng)的寬頻帶需求，該文采用同軸結(jié)構(gòu)設(shè)計(jì)了一個(gè)DC-6 GHz的寬帶電磁輻照裝置。該裝置基于傳輸線理論和阻抗匹配原理，采用錐形過(guò)渡與圓同軸連接的結(jié)構(gòu)，在端口處選用N型連接器，與腔體的連接實(shí)現(xiàn)了良好的阻抗匹配。利用CST仿真軟件進(jìn)行建模優(yōu)化，最后對(duì)仿真結(jié)構(gòu)進(jìn)行加工與調(diào)試，仿真結(jié)果表明，該同軸電磁輻照裝置在DC-6 GHz頻率范圍內(nèi)S11均在–10 dB以下，由于加工的誤差測(cè)試結(jié)果在個(gè)別頻點(diǎn)稍有偏差，但趨勢(shì)和仿真結(jié)果具有較好的一致性，吻合較好，證明該輻照裝置具有良好的傳輸性能。該文設(shè)計(jì)的同軸腔在電磁輻照系統(tǒng)中具有很好的應(yīng)用價(jià)值。
- 電磁輻照裝置 /
- DC-6 GHz寬帶 /
- 阻抗匹配
Abstract:
As the bandwidth of the traditional TEM cell can not satisfy the growing demand for broadband, a broadband electromagnetic radiation device working from DC to 6 GHz is designed based on the coaxial structure. According to circuit principle and impedance matching of the transmission line, the device adopts the taper transition structure between the N connector and circular coaxial connected, which achieves the advantages of good impedance matching. The device is simulated by the CST software, and has been fabricated and measured. The simulated results show that S11 is better than –10 dB in the frequency range of DC-6 GHz. Due to the machining error, test results are slightly biased at individual frequencies, which have good consistency with the simulated results and demonstrate the desirable transmission performance of the radiation device. The design has great application value in electromagnetic radiation system.
- Electromagnetic radiation device /
- DC-6 GHz broadband /
- Impedance matching

HTML全文

圖 1 結(jié)構(gòu)圖

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圖 2 DC-6 GHz同軸電磁輻照裝置結(jié)構(gòu)圖

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圖 3 錐形過(guò)渡長(zhǎng)度對(duì)回波損耗影響的仿真結(jié)果

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圖 4 錯(cuò)位過(guò)渡長(zhǎng)度對(duì)回波損耗影響的仿真結(jié)果

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圖 5 電磁輻照實(shí)驗(yàn)裝置仿真模型

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圖 6 實(shí)驗(yàn)測(cè)試場(chǎng)景圖

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圖 7 電磁輻照裝置仿真與測(cè)試結(jié)果

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圖 8 輻射電磁場(chǎng)圖

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表 1 電磁輻照實(shí)驗(yàn)裝置結(jié)構(gòu)尺寸(mm)

L₁ L₀ R r D

117.31 119.40 25.60 11.10 2.04

下載: 導(dǎo)出CSV

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