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Near-field antenna measurements using nonideal measurement locations

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3 Author(s)
R. C. Wittmann ; Nat. Inst. of Stand. & Technol., Boulder, CO, USA ; B. K. Alpert ; M. H. Francis

We introduce a near-field to far-field transformation algorithm that relaxes the usual restriction that data points be located on a plane rectangular grid. Computational complexity is O(Nlog N) where N is the number of data points. This algorithm allows efficient processing of near-field data with known probe position errors. Also, the algorithm is applicable to other measurement approaches such as plane-polar scanning, where data are collected intentionally on a nonrectangular grid

Published in:

IEEE Transactions on Antennas and Propagation  (Volume:46 ,  Issue: 5 )