Title :
Calculation of External Q of A Resonator by FDTD Method
Author :
Awai, I. ; Oda, Y. ; Okayama, Y.
Author_Institution :
Department of Electrical and Electronic Engineering, Yamaguchi University, 2557 Tokiwadai, Ube 755-8611 Japan. Phone and Fax +81 836 35 9455, E-mail awai@po.cc.yamaguchi-u.ac.jp
Abstract :
Coupling factor of a resonator to an external circuit is described by the external Q. It is calculated via the FDTD method efficiently. Two procedures that utilizes energy flow from the resonator and decay of the internal field are proposed and compared to give the same result.
Keywords :
Circuits; Electromagnetic fields; Electromagnetic waveguides; Finite difference methods; Gaussian processes; Magnetic resonance; Power engineering and energy; Pulse modulation; Pulse width modulation; Resonant frequency;
Conference_Titel :
Microwave Conference, 1998. 28th European
Conference_Location :
Amsterdam, Netherlands
DOI :
10.1109/EUMA.1998.338156
