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Spherical near-field far-field transformation with infinite ground plane at arbitrary height z

: Cornelius, R.; Heberling, D.; Pototzki, D.


Sibille, A. ; Institute of Electrical and Electronics Engineers -IEEE-; European Association on Antennas and Propagation -EurAAP-:
11th European Conference on Antennas and Propagation, EUCAP 2017 : 19-24 March 2017, Paris
Piscataway, NJ: IEEE, 2017
ISBN: 978-88-907018-7-0
ISBN: 978-1-5090-3742-1
European Conference on Antennas and Propagation (EUCAP) <11, 2017, Paris>
Fraunhofer FHR ()

In measurement scenarios with ground planes the boundary condition has to be included appropriately in the near-field to far-field transformation. For spherical near-field antenna measurements, techniques exist to include a ground plane in the xy-plane (z = 0m). In this paper, we will describe a transformation procedure including a translation of the transformation origin, so that the ground plane can be at any height ζ to overcome that limitation of existing techniques. The procedure is demonstrated by a simulation and measurement example.