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一種基于天牛須算法的新型超寬帶功分器研究

李杰 閻躍鵬 梁曉新 萬晶 王魁松

李杰, 閻躍鵬, 梁曉新, 萬晶, 王魁松. 一種基于天牛須算法的新型超寬帶功分器研究[J]. 電子與信息學(xué)報(bào), 2020, 42(2): 418-424. doi: 10.11999/JEIT181003
引用本文: 李杰, 閻躍鵬, 梁曉新, 萬晶, 王魁松. 一種基于天牛須算法的新型超寬帶功分器研究[J]. 電子與信息學(xué)報(bào), 2020, 42(2): 418-424. doi: 10.11999/JEIT181003
Jie LI, Yuepeng YAN, Xiaoxin LIANG, Jing WAN, Kuisong WANG. Research on the Novel Ultra-wideband Power Divider Based on Beetle Antennae Search Algorithm[J]. Journal of Electronics & Information Technology, 2020, 42(2): 418-424. doi: 10.11999/JEIT181003
Citation: Jie LI, Yuepeng YAN, Xiaoxin LIANG, Jing WAN, Kuisong WANG. Research on the Novel Ultra-wideband Power Divider Based on Beetle Antennae Search Algorithm[J]. Journal of Electronics & Information Technology, 2020, 42(2): 418-424. doi: 10.11999/JEIT181003

一種基于天牛須算法的新型超寬帶功分器研究

doi: 10.11999/JEIT181003
詳細(xì)信息
    作者簡介:

    李杰:女,1977年生,工程師,博士生,研究方向?yàn)樯漕l微波電路設(shè)計(jì)

    閻躍鵬:男,1963年生,博士生導(dǎo)師,研究員,研究方向?yàn)榧呻娐吩O(shè)計(jì),射頻微波電路設(shè)計(jì)

    梁曉新:女,1979年生,碩士生導(dǎo)師,研究員,研究方向微波毫米波芯片及模塊

    通訊作者:

    梁曉新 liangxiaoxin@ime.ac.cn

  • 中圖分類號(hào): TN626

Research on the Novel Ultra-wideband Power Divider Based on Beetle Antennae Search Algorithm

  • 摘要:

    根據(jù)對(duì)馬刺線的原理分析,該文提出一種新型馬刺線結(jié)構(gòu),并在此基礎(chǔ)上設(shè)計(jì)出一種新穎的超寬帶功分器(頻率范圍為2.5~13.2 GHz)。該超寬帶功分器尺寸較小,制作結(jié)構(gòu)簡單,帶內(nèi)傳輸特性好,輸入與輸出端口的回波損耗均小于–12 dB,帶內(nèi)插入損耗小于3.5 dB。在設(shè)計(jì)過程中,根據(jù)理想傳輸線模型,利用奇偶模分析方法,推導(dǎo)出設(shè)計(jì)的目標(biāo)函數(shù),并利用天牛須算法對(duì)其進(jìn)行優(yōu)化設(shè)計(jì),有效提高了功分器的設(shè)計(jì)準(zhǔn)確性和靈活性。為了驗(yàn)證設(shè)計(jì)的準(zhǔn)確性,采用材料RO4003C作為基板設(shè)計(jì)超寬帶功分器。實(shí)驗(yàn)結(jié)果表明,采用新型馬刺線結(jié)構(gòu)的超寬帶功分器結(jié)合天牛須算法有效縮短了計(jì)算時(shí)間,提高了設(shè)計(jì)精度,可以廣泛運(yùn)用于超寬帶功分器設(shè)計(jì)。

  • 圖  1  新型馬刺線結(jié)構(gòu)

    圖  2  超寬帶功分器結(jié)構(gòu)圖

    圖  3  功分器的奇偶模等效電路

    圖  4  扇形線示意圖

    圖  5  功分器實(shí)物圖

    圖  6  S參數(shù)仿真和測試結(jié)果對(duì)比

    表  1  優(yōu)化參數(shù)前后結(jié)果對(duì)比

    最優(yōu)值(dB)${S_{11}}$${S_{22}}/{S_{11}}$${S_{23}}/{S_{32}}$${S_{21}}/{S_{31}}$
    沒有采用優(yōu)化算法$ - 20$$ - 29$$ - 29$$ - 3.2$
    采用天牛須算法 $ - 40$$ - 50$$ - 40$$ - 3.1$
    下載: 導(dǎo)出CSV

    表  2  功分器性能對(duì)比

    參考文獻(xiàn)拓?fù)浣Y(jié)構(gòu) 復(fù)雜度尺寸(cm$ \times $cm)插入損耗(dB)15 dB 隔離度(比值,(BW, GHz))隔離電阻數(shù)量
    文獻(xiàn)[1]CPD3.0$ \times $1.03.53.00:1 (3.5–10.5)1
    文獻(xiàn)[2]多模諧振3.0$ \times $2.05.02.90:1 (4.0–11.7)1
    文獻(xiàn)[5]級(jí)聯(lián)3.3$ \times $2.34.06.00:1 (2.0–12.0)5
    文獻(xiàn)[6]SIR 3.0$ \times $2.05.01
    文獻(xiàn)[7]非共面4.0$ \times $4.04.01
    文獻(xiàn)[9]Radial Stub2.0$ \times $1.53.81.50:1 (7.1–10.6)1
    文獻(xiàn)[10]耦合振蕩4.0$ \times $1.23.7隔離度均大于–15 dB1
    本文馬刺線級(jí)聯(lián)1.4$ \times $1.5<3.52.67:1 (4.5–12.0)1
    下載: 導(dǎo)出CSV
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出版歷程
  • 收稿日期:  2018-11-01
  • 修回日期:  2019-04-22
  • 網(wǎng)絡(luò)出版日期:  2019-05-29
  • 刊出日期:  2020-02-19

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