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一種共面波導(dǎo)饋電的雙陷波漸變槽天線

李振亞 竺小松 張建華

李振亞, 竺小松, 張建華. 一種共面波導(dǎo)饋電的雙陷波漸變槽天線[J]. 電子與信息學(xué)報(bào), 2018, 40(8): 1867-1872. doi: 10.11999/JEIT171055
引用本文: 李振亞, 竺小松, 張建華. 一種共面波導(dǎo)饋電的雙陷波漸變槽天線[J]. 電子與信息學(xué)報(bào), 2018, 40(8): 1867-1872. doi: 10.11999/JEIT171055
Zhenya LI, Xiaosong ZHU, Jianhua ZHANG. A Co-planar Waveguide Fed Dual Band-notched Tapered Slot Antenna[J]. Journal of Electronics & Information Technology, 2018, 40(8): 1867-1872. doi: 10.11999/JEIT171055
Citation: Zhenya LI, Xiaosong ZHU, Jianhua ZHANG. A Co-planar Waveguide Fed Dual Band-notched Tapered Slot Antenna[J]. Journal of Electronics & Information Technology, 2018, 40(8): 1867-1872. doi: 10.11999/JEIT171055

一種共面波導(dǎo)饋電的雙陷波漸變槽天線

doi: 10.11999/JEIT171055
基金項(xiàng)目: 國(guó)家自然科學(xué)基金(61671454)
詳細(xì)信息
    作者簡(jiǎn)介:

    李振亞:男,1989年生,博士生,研究方向?yàn)閷拵炀€、共形微帶天線的理論分析與仿真計(jì)算

    竺小松:男,1963年生,研究員,博士生導(dǎo)師,研究方向?yàn)榍度胧街悄苄盘?hào)處理、智能蒙皮技術(shù)

    張建華:女,1962年生,教授,研究方向?yàn)殡姶艌?chǎng)理論與天線技術(shù)

    通訊作者:

    李振亞  lizhenya7189@126.com

  • 中圖分類號(hào): TN823

A Co-planar Waveguide Fed Dual Band-notched Tapered Slot Antenna

Funds: The National Natural Science Foundation of China (61671454)
  • 摘要: 為了濾除WIMAX(3.3~3.8 GHz)和WLAN(5.125~5.825 GHz)窄帶信號(hào)對(duì)超寬帶系統(tǒng)的干擾,該文提出一款共面波導(dǎo)饋電的小型化雙陷波漸變槽天線。共面波導(dǎo)結(jié)構(gòu)可以有效地?cái)U(kuò)展天線的帶寬,實(shí)現(xiàn)對(duì)整個(gè)UWB(3.1~10.6 GHz)頻段的全覆蓋。通過(guò)在天線的饋線上開(kāi)L型縫隙和在輻射貼片上開(kāi)一對(duì)E字型縫隙的方法,有效實(shí)現(xiàn)了在3.15~3.97 GHz和4.94~6.05 GHz頻段的雙陷波特性,能夠抑制WIMAX和WLAN對(duì)超寬帶系統(tǒng)的干擾。該天線結(jié)構(gòu)簡(jiǎn)單緊湊,尺寸非常小,僅為40 mm×18 mm×0.813 mm。仿真和實(shí)測(cè)結(jié)果表明該天線在超寬帶波段內(nèi)具有良好的陷波特性、增益特性,可以應(yīng)用于小型化超寬帶系統(tǒng)中。文中方法對(duì)于陷波漸變槽天線的研究具有一定的借鑒意義。
  • 圖  1  天線結(jié)構(gòu)圖

    圖  2  天線的設(shè)計(jì)流程

    圖  3  4種不同天線和參數(shù)優(yōu)化駐波比曲線

    圖  4  輻射貼片表面電流分布圖

    圖  5  天線實(shí)物圖

    圖  6  天線駐波比實(shí)測(cè)與仿真對(duì)比圖

    圖  7  天線的峰值增益

    圖  8  天線E面和H面輻射方向圖

    表  1  優(yōu)化后的天線單元參數(shù)

    參數(shù) 數(shù)值(mm) 參數(shù) 數(shù)值(mm)
    L 18.0 W 40.0
    L1 2.2 W1 11.0
    L2 2.7 W2 3.4
    L3 3.5 W3 3.8
    L4 6.0 W4 8.5
    L5 2.0 S 3.4
    L6 4.2 d 3.0
    下載: 導(dǎo)出CSV

    表  2  與相關(guān)文獻(xiàn)的對(duì)比

    文獻(xiàn) 尺寸(mm3) 工作頻率(GHz) 陷波波段(GHz) 抑制增益(dB)
    [11] 39×38×0.813 3.05~10.3 5~6 15.0
    [12] 50×50×0.8 2.4~11.2 4.6~6.2 13.5
    [13] 50×50×0.8 3~11 4.3~5.4 3.8
    [14] 43×40×0.508 3~11 5.125~5.350/5.725~5.825 10.0/7.6
    [15] 66.3×66.3×0.813 3~11 3.6~3.9/5.6~5.8 7.0/5.4
    [16] 50×50×0.8 2.4~11.6 3.1~4.0/5.1~6.2 7.5/10.0
    [17] 57.4×55×1.524 3.3~10.8 4.17~4.37/6.0~6.8 —/10.5
    本文 40×18×0.813 2.8~9.7 3.15~3.97/4.94~6.05 16.0/16.5
    下載: 導(dǎo)出CSV
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出版歷程
  • 收稿日期:  2017-11-14
  • 修回日期:  2018-04-26
  • 網(wǎng)絡(luò)出版日期:  2018-05-30
  • 刊出日期:  2018-08-01

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