Fast finite-difference time-domain analysis of resonators using digital filtering and spectrum estimation techniques

Author

Bi, Zhiqiang ; Shen, Ying ; Wu, Keli ; Litva, John

Author_Institution

Commun. Res. Lab., McMaster Univ., Hamilton, Ont., Canada

Volume

40

Issue

8

fYear

1992

fDate

8/1/1992 12:00:00 AM

Firstpage

1611

Lastpage

1619

Abstract

The use of digital filtering and spectrum estimation techniques for improving the efficiency of the FD-TD algorithm in solving eigenvalue problems is discussed. The great improvement of the efficiency of the method is demonstrated by means of both numerical and measurement results. In addition, several improvements to the present FD-TD method for eigenvalue analysis are presented. These include the analysis of open dielectric resonators and the extraction of the resonant frequencies from the FD-TD results. The result for the open dielectric resonator analysis is validated using measured data

Keywords

dielectric resonators; difference equations; eigenvalues and eigenfunctions; filtering and prediction theory; spectral analysis; time-domain analysis; FD-TD algorithm; digital filtering; efficiency; eigenvalue problems; finite-difference time-domain analysis; open dielectric resonators; resonant frequencies; resonators; spectrum estimation techniques; Data mining; Dielectric measurements; Digital filters; Eigenvalues and eigenfunctions; Filtering algorithms; Finite difference methods; Resonant frequency; Resonator filters; Spectral analysis; Time domain analysis;

fLanguage

English

Journal_Title

Microwave Theory and Techniques, IEEE Transactions on

Publisher

ieee

ISSN

0018-9480

Type

jour

DOI

10.1109/22.149539

Filename

149539