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组合式非周期缺陷接地结构低通滤波器的分析 被引量：4

Analysis of the Low-Pass Filter with the Combined Non-periodic Defected Ground Structure
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摘要 利用时域有限差分法对非周期缺陷接地结构 (CNPDGS)进行了电磁仿真 ,研究了由CNPDGS结构构成的低通滤波器的频率特性 ,并将本文分析结果与有关文献的测量结果进行了比较 ,二者一致性很好 ,从而验证了本文方法的有效性和计算的正确性。在此基础上 ,进一步研究了缺陷接地结构尺寸参数变化对低通滤波器特性的影响 ,并给出了低通滤波器频率特性随结构尺寸参数变化的曲线 ,设计了通带分别为 0 .7GHz和 6 .5GHz的低通滤波器。 The low-pass filter formed by the combined non-periodic defected ground structu re (CNPDGS) is simulated by finite-difference time-domain (FDTD) method in this paper. The results of the simulation show good agreements with the results of m easurement in the reference. It shows that the analysis method and the calculati on in the paper are effective and correct. Furthermore, the effect of the lattic e dimensions on the characteristic of the low-pass filter formed by the CNPDGS structure is studied.The curves of characteristic varying with the dimensions are given. At last, low-pass filters with 0.7GHz and 6.5GHz pass-band are designed, respectively.
作者 王雷 丁荣林 王安国 胡俊杰
机构地区 天津大学电子信息工程学院
出处 《微波学报》 CSCD 北大核心 2004年第3期39-42,共4页 Journal of Microwaves
基金 国家自然科学基金资助项目 (6 0 3710 2 9)
关键词 低通滤波器 通带 电磁仿真 接地 时域有限差分法 频率特性 缺陷 参数变化 测量结果 组合式 CNPDGS, FDTD, Low-pass filter, Pass-band cha racteristic
分类号 TN713 [电子电信—电路与系统]
  • 相关文献

参考文献9

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共引文献19

同被引文献18

  • 1刘海文,李征帆,孙晓玮,程知群,钱蓉,张丹.一种新颖的蝴蝶结形缺陷接地结构微带线[J].红外与毫米波学报,2004,23(6):431-435. 被引量：9
  • 2刘海文,李征帆,孙晓玮.缺陷接地结构在RF和微波电路中的最新应用[J].电子科学技术评论,2005(1):19-24. 被引量：14
  • 3宋海,华光,洪伟.一种基于DGS的宽带双极化三角元微带天线[J].微波学报,2005,21(4):27-30. 被引量：11
  • 4陈昌明,徐军.一种新颖的缺陷接地结构带通滤波器[J].四川理工学院学报（自然科学版）,2005,18(3):5-7. 被引量：4
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引证文献4

二级引证文献9

微波学报
2004年 第3期

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