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Analysis and simulation of electric field intensity from a half-wave dipole antenna in open area test site

Wibowo, Ignatius Agung and Mohd Jenu, Mohd Zarar and Kazemipour, Alireza (2012) Analysis and simulation of electric field intensity from a half-wave dipole antenna in open area test site. In: PIERS Proceedings 2012, 27-30 March 2012, Kuala Lumpur, Malaysia.

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Abstract

Accurate measurement of electric ¯eld intensity is important in electromagnetic compatibility (EMC) ¯eld where the measured electric ¯eld emitted by an electrical or electronic product determines whether the product complies with regulation. To have valid measurement, the antennas used in the measurement must be calibrated accordingly. Both the measurement and calibration have to be done in a test site. Although there have been various alternative test sites available nowadays such as the anechoic chamber, legislative body such as the Interna- tional Electrotechnical Commission (IEC) requires an open-area test site (OATS) as the reference for radiated emission measurement and antenna calibration. Therefore it is very important to understand the propagation mechanism in the OATS in order to design, evaluate and operate the OATS. This paper discusses the modeling and simulation of propagation mechanism in the OATS, starting with the basic propagation equation as a foundation, and the derivation of the electric ¯eld propagation model in an ideal OATS. The model uses a half wave dipole antenna as the transmitter. Simulations of the radiation of electromagnetic wave from a half-wave dipole an- tenna in the range of 30{1000MHz have been performed in CST Microwave Studio R° simulation software. The results of the calculation using the model were compared to the simulation. The average deviation was used to compare the result of the calculation using the theoretical model and the result of the simulation. The importance of height scanning of the receiving antenna was also elaborated. The results have proven that the theoretical model and the simulation are consistent and therefore the simulation validates the model.

Item Type: Conference or Workshop Item (Paper)
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK7800-8360 Electronics
Divisions: Faculty of Electrical and Electronic Engineering > Department of Communication Engineering
Depositing User: Normajihan Abd. Rahman
Date Deposited: 15 Feb 2015 08:00
Last Modified: 15 Feb 2015 08:00
URI: http://eprints.uthm.edu.my/id/eprint/6118
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