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On the Use of Phase Data When Conducting an Extrapolation Measurement

Published

Author(s)

Jason B. Coder, David R. Novotny, Michael H. Francis, Jeffrey R. Guerrieri

Abstract

The extrapolation measurement technique has been used with the three antenna method for more than 40 years, to determine absolute antenna gain and polarization data. The critical part of the extrapolation technique is an insertion loss measurement that is done repeatedly as two antennas are physically separated. When the two antennas are close together, they may interact and reflect a portion of the signal back to the transmitting antenna. Part of the data processing procedure requires that a determination be made as to when the antennas are far enough apart that they are no longer interacting with each other. In this paper, we present an alternative method with the goal of providing a more objective way to determine when the antennas are no longer interacting with each other. The proposed method relies on using the phase data obtained from the insertion loss measurement.
Proceedings Title
Proceedings of the 2013 Antenna Measurement Techniques Association Conference
Conference Dates
October 6-11, 2013
Conference Location
Columbus, OH
Conference Title
35th Annual Symposium of the Antenna Measurement Techniques Association (AMTA)

Citation

Coder, J. , Novotny, D. , Francis, M. and Guerrieri, J. (2013), On the Use of Phase Data When Conducting an Extrapolation Measurement, Proceedings of the 2013 Antenna Measurement Techniques Association Conference, Columbus, OH (Accessed July 24, 2024)

Issues

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Created November 1, 2013, Updated January 27, 2020