Advances in Cylindrical Mathematical Absorber Reflection Suppression

Authors: S.F. Gregson, A.C. Newell, G.E. Hindman, M.J. Carey

In many instances, reflections within antenna test ranges constitute the largest single component within the facilitylevel error budget. For some time, a frequency domain measurement and post-processing technique named Mathematical Absorber Reflection Suppression (MARS) has been successfully used to reduce range multi-path effects within spherical near-field and far-field antenna measurement systems. More recently, a related technique has been developed for use with cylindrical near-field antenna measurement systems. This paper provides an introduction to the measurement technique and novel probe pattern corrected near-field to farfield transform algorithm. It then presents the most recent results of an ongoing validation campaign detailing a number of the most recent advances which are found to yield improvements comparable to those attained with the corresponding spherical MARS technique. The results are discussed and conclusions presented.

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Copyright 2010 IET. Reprinted from The Fourth European Conference on Antennas and Propagation (EuCAP 2010) 12-16 April 2010.

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