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A Fully Probe Corrected Near-field Far-field Transformation Technique Employing Plane-wave Synthesis : Volume 11, Issue 4 (04/07/2013)

By Mauermayer, R. A. M.

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Book Id: WPLBN0004002717
Format Type: PDF Article :
File Size: Pages 8
Reproduction Date: 2015

Title: A Fully Probe Corrected Near-field Far-field Transformation Technique Employing Plane-wave Synthesis : Volume 11, Issue 4 (04/07/2013)  
Author: Mauermayer, R. A. M.
Volume: Vol. 11, Issue 4
Language: English
Subject: Science, Advances, Radio
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Publication Date:
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications


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M. Mauermaye, R. A., & Eibert, T. F. (2013). A Fully Probe Corrected Near-field Far-field Transformation Technique Employing Plane-wave Synthesis : Volume 11, Issue 4 (04/07/2013). Retrieved from

Description: Lehrstuhl für Hochfrequenztechnik, Technische Universität München, 80290 Munich, Germany. The far-field behavior of an antenna under test (AUT) can be obtained by exciting the AUT with a plane wave. In a measurement, it is sufficient if the plane wave is artificially generated in the vicinity of the AUT. This can be achieved by using a virtual antenna array formed by a probe antenna which is sequentially sampling the radiating near-field of the AUT at different positions. For this purpose, an optimal filter for the virtual antenna array is computed in a preprocessing step. Applying this filter to the near-field measurements, the far-field of the AUT is obtained according to the propagation direction and polarization of the synthesized plane wave. This means that the near-field far-field transformation (NFFFT) is achieved simply by filtering the near-field measurement data. Taking the radiation characteristic of the probe antenna into account during the synthesis process, its influence on the NFFFT is compensated.

The principle of the plane-wave synthesis and its application to the NFFFT is presented in detail in this paper. Furthermore, the method is verified by performing transformations of simulated near-field measurement data and of near-field data measured in an anechoic chamber.

A fully probe corrected near-field far-field transformation technique employing plane-wave synthesis

Bennett, J. and Schoessow, E.: Antenna near-field/far-field transformation using a plane-wave-synthesis technique, Proceedings of the Institution of Electrical Engineers, 125, 179–184, doi:10.1049/piee.1978.0048, 1978.; EM Software and Systems: FEKO Suite 6.1,, 2011.; Hansen, J. E.: Spherical near-field antenna measurements, IEE Electromagnetic Waves Series 26, Peter Peregrinus Ltd., London, UK, 1988.; Harrington, R. F.: Time-Harmonic Electromagnetic Fields, Wiley, J., Weinheim, 2001.; Yaghjian, A.: An overview of near-field antenna measurements, IEEE Transactions on Antennas and Propagation, 34, 30–45, doi:10.1109/TAP.1986.1143727, 1986.; Yamaguchi, R., Kimura, Y., Komiya, K., and Cho, K.: A far-field measurement method for large size antenna by using synthetic aperture antenna, in: 3rd European Conference on Antennas and Propagation, 1730–1733, 2009.


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