2006•Unpublished venueRequires access

Analysis of the Coupling Field Inside a Rectangular Shielded Enclosure with an Aperture

Xianjin Li, Bihua Zhou, Lihua Shi, Cheng Gao, Juan Li

Abstract

The finite-difference time-domain (FDTD) method was used to study the plane wave coupling into a rectangular shielded enclosure through a aperture, and the theoretical prediction agree with the measured characteristics well. Results show that: 1) if the wave sources travel vertically to the aperture, the coupling field inside the cavity is mainly composed of different modes resonance fields; and 2) if the wave sources travel along the direction parallel with the aperture, the coupling field is the sum of the lower-frequency components with the sources' characteristics and the higher-frequency resonance fields of the cavity

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Available abstract

Key concepts: Shielded cable, Enclosure, Aperture (computer memory), Finite-difference time-domain method, Coupling (piping), Resonance (particle physics), Optics, Field (mathematics)