开放式微波结构中的时域模函数初探

李梅; 苏东林; 杨争光

开放式微波结构中的时域模函数初探

北京航空航天大学电子工程系

基金项目: 国家自然科学基金资助项目(69971005); 航空科学基金资助项目(99F510096); 教育部优青教基金、骨干教师基金资助项目

详细信息

中图分类号: TN 401
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出版历程
- 收稿日期: 2002-01-14
- 网络出版日期: 2003-04-30

Application of Diakoptics Arithmetic to RF and Microwave Circuit Design

Dept. of Electronic Engineering, Beijing University of Aeronautics and Astronautics

摘要

摘要: 为了探讨将Diakoptics算法应用到开放式微波结构时适宜的时域模函数形式,在对槽线、共面波导、微带线及耦合微带线的空间电磁场分布特性分析的基础上,提出零阶、一阶第一类贝塞尔函数是较适宜的时域模函数,并总结了选取规律.
- 微波电路 /
- 贝塞尔函数 /
- 差分法 /
- 时域Diacoptics /
- 时域有限差分法 /
- 时域模函数 /
- 完全匹配层
Abstract: It is very important to choose proper time domain modes when microwave structures are analyzed by time domain Diakoptics. Efforts were made to find out the proper time domain modes for analyzing open microwave structures. Based on analysis of electromagnetic field distributions for such open microwave structures as conductor-backed slotline, conductor-backed coplanar waveguide, microstrip line and coplanar strips, the zero and one order Bessel functions were proved to be the proper time domain mode functions. The rules of choosing time domain modes for these open microwave structures were summarized. The results can provide useful references for further investigations in this field.
- microwave circuits /
- Bessel functions /
- finite difference methods /
- time-domain Diakoptics /
- finite-difference time-domain(FDTD) /
- time-domain modes /
- perfectly matched layer(PML)

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参考文献(1)

[1] Su Donglin, Park Jun-Seok, Qian Yongxi, et al. Waveguide bandpass filter analysis and design using multimode parallel FDTD Diakoptics[J]. IEEE Transactions on Microwave Theory and Techniques, 1999, 47(6):867~876 [2] 苏东林,钱永喜,吕善伟,等. 一个基于并行时域Diakoptics的离散格林函数的新算法[J].电子学报,1999,27(9):37~40 Su Donglin,Qian yongxi,Lü Shanwei,et al. A novelmethod of calculating discrete Green's function based on parallel time-domain Diakoptics[J].ACTA Electronica Sinica,1999,27(9):37~40(in Chinese) [3] 苏东林,钱永喜,吕善伟,等.一种计算微波电路的并行算法——FDTD-Diakoptics[J].电子学报,1999,27(12):43~46 Su Donglin,Qian Yongxi,Lü Shanwei,et al.A parallel algorithm for microwave circuit simulations-FDTD-Diakoptics[J]. ACTA Electronica Sinica,1999,27(12):43~46(in Chinese) [4] Su Donglin,Park J S, Houshmand B, et al.A novel 2-D multi-mode parallel time domain Diakoptics and its application in filter analysis and design. IEEE International Microwave Symp Dig. Baltimore, MD,1998 [5] 苏东林,钱永喜,Itoh T.使用时域Diakoptics和频率综合的混合方法设计厚膜滤波器. 微波毫米波技术国际会议. 1998.18~20 Su Donglin,Qian Yongxi,Itoh T.Design of filters with thick irises by a hybrid time-domain Diakoptics and frequency synthesis approach. Int Conf Microwave Millimeter Wave Technol. 1998.18~20(in Chinese) [6] Huang T W, Houshmand B,Itoh T. The FDTD Diakoptics method. IEEE International Symposium. Atlanta, GA, 1993.1435~1438 [7] Hoefer W J R. The Transmission-line matrix method theory and applications[J]. IEEE Trans MTT, 1985, (33):882~893 [8] Hoefer W J R. The discrete time domain Green's function or Johns matrix——A new powerful concept in transmission line modeling (TLM)[J]. International Journal of Numerical Modeling:Electronic Networks, Devices and Fields, 1989,(2):215~225 [9] Righi M, Hoefer W J R, Mongiardo M, et al. Efficient TLM Diakoptics for separable structures[J]. IEEE Trans on MTT, 1995, (43):854~859 [10] Huang T W, Houshmand B, Itoh T. The implementation of time-domain Diakoptics in the FDTD method[J]. IEEE Trans on MTT, 1994, 42:2149~2155 [11] 徐润炎. 正交函数系及其有关课题[M].大连:大连工学院出版社,1987 Xu Runyan. Orthotropic function series and the related problems[M]. Dalian:Dalian University of Technology Press,1987(in Chinese)

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