NDLI: Understanding and Selecting Antennas for Measuring in Congested Electromagnetic Environments

Content Provider	IEEE Xplore Digital Library
Author	Keebler, P.F. Phipps, K.O.
Copyright Year	2007
Description	Author affiliation: EPPJ Solutions, Knoxville (Keebler, P.F.; Phipps, K.O.)
Abstract	It is not uncommon for electromagnetic compatibility (EMC) engineers who conduct surveys of electric and magnetic fields in some commercial, industrial, power plant, and healthcare facilities to encounter congested areas where challenges are presented in selecting the appropriate survey antenna. Site surveys and laboratory experiments conducted by the EMC Group at EPRI Solutions have been conducted with a variety of antennas in efforts to compare techniques and measurement results. This paper presents two examples of electromagnetic field measurements, one conducted in an open area test site (OATS) and the second conducted in a doubly- isolated shielded enclosure (DISE) in comparing electromagnetic field measurements using a biconical log periodic dipole (BLPD) the radiated antenna and two antennas: the biconic and discone as the receiving (or antennas under test) antennas. Comparison of the laboratory data to the OATS data clearly shows that the reflections that do occur may attenuate or amplify the signal from an interferer at the point of installation. Considering this phenomena, it is important not only to consider a survey when a new piece of equipment is installed, but it may be necessary to perform a survey to determine the change in the electromagnetic environment when structural metallic objects are present at the site.
Starting Page	1
Ending Page	6
File Size	353214
Page Count	6
File Format	PDF
ISBN	1424413494
DOI	10.1109/ISEMC.2007.224
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-07-09
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Antenna measurements Electromagnetic measurements Magnetic field measurement Dipole antennas Receiving antennas Electromagnetic compatibility Open area test sites Laboratories Electromagnetic fields Area measurement
Content Type	Text
Resource Type	Article

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Radiated electromagnetic fields of actual devices measured in different test environments

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Measurement of above 1 GHz EMC antennas in a fully anechoic room

Uncertainty model for the dipole-like antenna factor measurements on an open area test site

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Near-field corrections to antenna factor of dipole antennas calibrated in very narrow OATS

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Understanding and Selecting Antennas for Measuring in Congested Electromagnetic Environments

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