NDLI: Reverberation Chamber Techniques for Determining the Radiation and Total Efficiency of Antennas

Content Provider	IEEE Xplore Digital Library
Author	Holloway, C.L. Shah, H.A. Pirkl, R.J. Young, W.F. Hill, D.A. Ladbury, J.
Copyright Year	1963
Abstract	Reverberation chambers are becoming a popular alternative testing facility for a wide range of electromagnetic applications. Because of the statistical environment created inside a reverberation chamber, they offer a unique test facility. In particular, these chambers are ideally suited for performing radiated power measurements of either an antenna or device under test, and as such, it is possible to determine the efficiency of antennas. There have been several reverberation chamber techniques proposed over the years for measuring the antenna efficiency; however, these techniques require either the use of a reference antenna (i.e., an antenna with a known efficiency) and/or require the assumption that the two antennas used in the test have identical efficiencies. In this paper, we present three different approaches for determining both the radiation and total efficiencies of an unknown antenna that overcome these limitations and assumptions. We present a one-antenna approach, a two-antenna approach, and a three-antenna approach. We present measured data for three different antennas in order to compare these three approaches. We also discuss the uncertainties related to these types of measurements.
Sponsorship	IEEE Antennas and Propagation Society
Starting Page	1758
Ending Page	1770
Page Count	13
File Size	1701379
File Format	PDF
ISSN	0018926X
Volume Number	60
Issue Number	4
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-04-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Antenna measurements Equations Receiving antennas Reverberation chamber Transmitting antennas Frequency domain analysis uncertainties antenna radiation efficiency reverberation chambers total efficiency
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering

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