A spectral estimation technique to improve the efficiency of FDTD method for narrow-band microwave circuits

Author

Xing Ping Lin ; Naishadham, Krishna

Author_Institution

Dept. of Electr. Eng., Wright State Univ., Dayton, OH, USA

fYear

1995

fDate

16-20 May 1995

Firstpage

1015

Abstract

With the advances in computer technology, the finite-difference time-domain (FDTD) method is becoming increasingly popular in the analysis of microwave circuits. A major drawback of the conventional Yee FDTD implementation is the enormous time and memory required to characterize the resonant behavior of narrow-band circuits. In this paper, we introduce a technique which effectively employs a combination of Prony´s extrapolation and adaptive sampling of the temporal data to reduce the number of FDTD iterations for resonant circuits. The new technique is applied to the characterization of a multilayered coplanar waveguide filter element.<>

Keywords

circuit resonance; coplanar waveguides; finite difference time-domain analysis; microwave circuits; microwave filters; spectral-domain analysis; FDTD method; Prony´s extrapolation; adaptive sampling; multilayered coplanar waveguide filter element; narrow-band microwave circuits; resonant behavior; spectral estimation technique; temporal data; Circuit analysis; Circuit analysis computing; Finite difference methods; Microwave circuits; Microwave technology; Microwave theory and techniques; Narrowband; RLC circuits; Resonance; Time domain analysis;

fLanguage

English

Publisher

ieee

Conference_Titel

Microwave Symposium Digest, 1995., IEEE MTT-S International

Conference_Location

Orlando, FL, USA

ISSN

0149-645X

Print_ISBN

0-7803-2581-8

Type

conf

DOI

10.1109/MWSYM.1995.406144

Filename

406144