Title :
Coupling effects of high power microwave
Author :
Jianhua, Zhang ; Xiuqiao, Chen ; Peng, Jiang
Author_Institution :
Electron. Eng. Inst., Hefei, China
Abstract :
The coupling processes of a high power microwave pulse with narrow slot cavity are simulated with the finite-difference time-domain (FDTD) method. By calculating and analyzing the coupling fields distribution and the coupling coefficient of energy changing with the transmission path and time, the coupling enhancement effects and resonant characteristics of narrow slot cavity excited by an electromagnetic pulse are presented. Based on Maxwell´s equations and a set of electron-fluid equations, the nonlinear coupling processes of high power microwaves are simulated. Results show that the air breakdown and tail-erosion phenomena can occur in a slot even when the amplitude of the incident wave is below the normal breakdown threshold.
Keywords :
Maxwell equations; electromagnetic compatibility; electromagnetic coupling; electromagnetic interference; electromagnetic pulse; finite difference time-domain analysis; microwaves; FDTD method; Maxwell equations; air breakdown; coupling enhancement effects; coupling fields distribution; electromagnetic compatibility; electromagnetic interference; electromagnetic pulse; electron-fluid equations; energy coupling coefficient; finite-difference time-domain method; high power microwave pulse; narrow slot cavity; nonlinear coupling processes; resonant characteristics; tail-erosion phenomena; transmission path; EMP radiation effects; Electric breakdown; Electromagnetic analysis; Electromagnetic coupling; Finite difference methods; Maxwell equations; Microwave theory and techniques; Nonlinear equations; Resonance; Time domain analysis;
Conference_Titel :
Computational Electromagnetics and Its Applications, 2004. Proceedings. ICCEA 2004. 2004 3rd International Conference on
Print_ISBN :
0-7803-8562-4
DOI :
10.1109/ICCEA.2004.1459346
