An accurate and efficient error predictor tool for CATR measurements

An accurate and efficient numerical model is developed to simulate the far field of an antenna under test (AUT) measured in a Compact Antenna Test Range (CATR), on the basis of the known quiet zone field and the theoretical aperture field distribution of the AUT. The comparison with the theoretical...

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Bibliographic Details
Main Authors: Cappellin, C., Sorensen, S. Busk, Paquay, M., Ostergaard, A.
Format: Conference Proceeding
Language:English
Subjects:
Antenna measurements
Antenna theory
Aperture antennas
Diffraction
Distributed computing
Equations
Gain measurement
Numerical models
Space technology
Testing
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Summary:An accurate and efficient numerical model is developed to simulate the far field of an antenna under test (AUT) measured in a Compact Antenna Test Range (CATR), on the basis of the known quiet zone field and the theoretical aperture field distribution of the AUT. The comparison with the theoretical far-field pattern of the AUT shows the expected measurement accuracy. The numerical model takes into account the relative movement of the AUT within the quiet zone and is valid for any CATR and AUT of which the quiet zone and aperture field, respectively, are known. The antenna under test in this study is the Validation Standard Antenna (VAST12), especially designed in the past for antenna test ranges validations. Simulated results as well as real measurements data are provided.
ISSN:2164-3342