Application of Mathematical Absorber Reflection Suppression to Direct Far-Field Antenna Measurements

Authors: Stuart Gregson, Bruce Williams, Gregory Masters, Allen Newell, Greg Hindman
Publication: AMTA 2011
Copyright Owner: NSI-MI Technologies

Mathematical Absorber Reflection Suppression (MARS) has been used successfully to identify and extract range multi-path effects in a great many spherical [1, 2], cylindrical [3, 4], and planar [5, 6] near-field antenna measurement systems. This paper details a recent advance that enables the MARS measurement and postprocessing technique to be used to correct antenna pattern data from far-field or compact antenna test ranges (CATRs) where only a single great circle pattern cut is taken. This paper provides an overview of the measurement and novel data transformation and postprocessing chain that is utilised to efficiently correct farfield, frequency domain antenna pattern data. Preliminary results of range measurements that illustrate the success of the technique are presented and discussed.


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