H-MRTD simulation of dual-frequency miniature patch antenna

YU Wen-ge; ZHONG Xian-xin; LI Xiao-yi; CHEN Shuai

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H-MRTD simulation of dual-frequency miniature patch antenna

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- H-MRTD simulation of dual-frequency miniature patch antenna
- Optics and Precision Engineering Vol. 12, Issue 3, Pages: 292-297(2004)
- 作者机构：
  
  重庆大学, 光电技术及系统教育部重点实验室, 重庆, 400044
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN823
- Received：27 November 2003，
  
  Revised：16 February 2004，
  
  Published Online：15 June 2004，
  
  Published：15 June 2004
- 稿件说明：
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余文革, 钟先信, 李小毅, 陈帅. 双频微型贴片天线的H-MRTD模拟(英文)[J]. 光学精密工程, 2004,(3): 292-297

YU Wen-ge, ZHONG Xian-xin, LI Xiao-yi, CHEN Shuai. H-MRTD simulation of dual-frequency miniature patch antenna[J]. Editorial Office of Optics and Precision Engineering, 2004,(3): 292-297
余文革, 钟先信, 李小毅, 陈帅. 双频微型贴片天线的H-MRTD模拟(英文)[J]. 光学精密工程, 2004,(3): 292-297 DOI：

YU Wen-ge, ZHONG Xian-xin, LI Xiao-yi, CHEN Shuai. H-MRTD simulation of dual-frequency miniature patch antenna[J]. Editorial Office of Optics and Precision Engineering, 2004,(3): 292-297 DOI：

摘要

利用槽隙加载及短接技术设计了双频小型微带天线.通过调节短接面宽度

两谐振频率f

及f

可明显降低

天线尺寸显著减小

而且频比(f

)的可调范围为1.7～2.3.首次将三维H MRTD(Haar-Wavelet-Based Multiresolution Time Domain)全波分析方法应用于该天线的建模和分析

并将H MRTD数值计算公式推广到了非均匀有耗媒质中.数值模拟结果同传统FDTD(Finite Difference Time Domain)方法及实验结果进行了比较.结果表明

每个波长只需取较少的空间离散网格

三维H MRTD时域全波分析方法便能较精确地模拟微机械微带天线

并能有效地减少CPU计算时间及节省计算机内存.

Abstract

A novel MEMS dual-band patch antenna is designed using slot-loaded and short-circuited size-reduction techniques. By controlling the short-plane width

and f

two resonant frequencies

can be significantly reduced and the frequency radio(f

)is tunable in the range 1.7～2.3. The Haar-Wavelet-Based multiresolution time domain(H-MRTD)is used for modeling and analyzing the antenna for the first time. In addition

the mathematical formulae are extended to an inhomogenous media. Numerical simulation results are compared to those achieved using the conventional 3-D finite-difference time-domain(FDTD)method and measured. It has been demonstrated that

with this technique

space discretization with only a few cells per wavelength gives accurate results

leading to a reduction of both memory requirements and computation time.

关键词

Keywords

references

Yu W G, Zhong X X, Wu ZH ZH, et. al. Novel stack-shorted microstrip bluetooth antenna[J]. Optics and Precision Engineering, 2003, 11(4):394-399.

LIU ZH F, KOOI P SH, et. al. A method for designing broad-band microstrip antenna in multilayered planar structures[J]. IEEE Trans Antennas and Propagat,1999, 47(9):1416-1420.

YU W G, ZHONG X X, WU ZH ZH, etal. Numerical analysis of micromachine patch antenna using FDTD technique[C]. The International Computer Science Conference 2003. Active Media Technology(ICAMT2003).Chongqing, China. 2003, 29-31, 346-351.

WU ZH ZH, ZHONG X X, LI X Y, et al. Multiplayer-shorted micromachined Bluetooth antenna[J]. Optics and Precision Engineering. 2001, 9(6):572-576.

ZAID L, KOSSIAVAS G, et al. Dual-frequency and broad-band antennas with stacked quarter wavelength elements [J]. IEEE Trans, 1999, AP-47(4): 654-660.

YEE K S. Numerical solution of initial boundary value problems involving Maxwell′s equation in isotropic media[J].IEEE Trans Antennas Propagation, 1966, 14(5): 302-307.

KRUMPHOLZ M, KATEHI L P B. MRTD: new time-domains schemes based on multiresolution analysis[J].IEEE Trans Microwave Theory Tech, 1996,44(4):555-571.

TENTZERIS E, ROBERTSON R, CANGELLARIS A, et al. Space- and time-adaptive gridding using MRTD[C].Proc. MTT-S, 1997.337-340.

TENTZERIS E, HARVEY J,KATEHI L P B. Time adaptive time-domain techniques for the design of microwave circuits[J]. IEEE Microwave and Guided Wave Letters, 1999, 9(3): 96-98.

GEDNEY S D. An anisotropic perfectly matched layer absorbing media for the truncation of FDTD lattices[J].IEEE Trans Antennas and Propagation, 1996, 44(12): 1630-1639.

MAC S, BIFFI G G, PIAZZESL P, et al. Dual-band slot-loaded patch antenna[C]. IEE Proc Microw Antennas Propag, 1995,142(3):225-232.

CHEONG Y W, LEE Y M, RA K H, et al. Wavelet-Galerkin scheme of time-dependent inhomogeneous electromagnetic problems[J]. IEEE Microwave Guided Wave Lett, 1999, 9(8):297-299.

TAFLOVE A, BRODWIN M E, Numerical solution of steady state electromagnetic scattering problem using the time dependent Maxwell′s equations [J]. IEEE Trans MTT, 1975, 23(8):623-630.

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