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2019
Conference Paper
Titel

Generalized test-zone field compensation

Abstract
Antenna measurement errors occur due to reflections and diffractions within the measuring chamber. In order to extract and correct the undesired signals, a technique based on test-zone field compensation and spherical wave expansion is applied to Compact Antenna Test Range (CATR) and Spherical Near-Field (SNF) measurements of a base transceiver station antenna. The required spherical test-zone field is acquired by simulating the corresponding measurement environment with the multi-level fast multipole method. Due to the numerical complexity of the problem, only the parts of the chamber with a significant influence on the measurement results are modeled. Comparing the determined directivities after applying the correction method, an exact overlap is achieved between the SNF and CATR solution.
Author(s)
Gemmer, T.M.
Heberling, D.
Hauptwerk
41st Annual Symposium of the Antenna Measurement Techniques Association, AMTA 2019. Proceedings
Konferenz
Antenna Measurement Techniques Association (AMTA Annual Meeting and Symposium) 2019
Thumbnail Image
DOI
10.23919/AMTAP.2019.8906330
Language
English
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Fraunhofer-Institut für Hochfrequenzphysik und Radartechnik FHR
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