Analysis of curved waveguide structures using the MPSTD algorithm

Author

Li, Lin ; Cao, Qunsheng ; Yao, Binyan

Author_Institution

Coll. of Inf. & Technol., Nanjing Univ. of Aeronaut. & Astronaut. (NUAA), Nanjing

fYear

2008

fDate

2-5 Nov. 2008

Firstpage

668

Lastpage

671

Abstract

In this paper, the multidomain pseudospectral time-domain (MPSTD) algorithm is applied to model the curved waveguide structures. In order to improve the stability of the MPSTD method, the design of a filtering procedure is discussed for corner singularities. By calculating the resonant frequencies and S-parameters of the waveguide structures, numerical results indicate that the MPSTD method can achieve high efficiency and accuracy when use to analyze curved objects. This paper presents a scheme to analyze the waveguide structures, and extends application field of the MPSTD method.

Keywords

Chebyshev approximation; finite difference time-domain analysis; waveguide filters; curved waveguide structures analysis; filtering procedure design; finite-difference time-domain method; multidomain pseudospectral time-domain algorithm; resonant frequencies; Algorithm design and analysis; Chebyshev approximation; Computational geometry; Electromagnetic waveguides; Filtering; Finite difference methods; Maxwell equations; Resonant frequency; Scattering parameters; Time domain analysis; Chebyshev; MPSTD; curved waveguide structures;

fLanguage

English

Publisher

ieee

Conference_Titel

Antennas, Propagation and EM Theory, 2008. ISAPE 2008. 8th International Symposium on

Conference_Location

Kunming

Print_ISBN

978-1-4244-2192-3

Electronic_ISBN

978-1-4244-2193-0

Type

conf

DOI

10.1109/ISAPE.2008.4735302

Filename

4735302