A new approach for fast modelling of Fabry-Perot antennas with modulated partially reflective surfaces (PRS) using ray-tracing is proposed. For validation of the method, a configuration is introduced which consists of a cavity with a modulated PRS, fed internally by a magnetic dipole. The PRS consists of 18×18 square patches of varying size placed in a regular grid with a lattice constant of approximately λ0/3 at 20 GHz. The radiation pattern of the configuration is determined both by the presented model and by a full-wave solver which is used as a reference. The Directivity predicted by the model and the reference is 16.2 dB and 16.8 dB respectively which proves a good agreement.
|Title of host publication||2015 Proceedings of 9th European Conference on Antennas and Propagation|
|Number of pages||4|
|Publication status||Published - 2015|
|Event||9th European Conference on Antennas and Propagation - Lisbon, Portugal|
Duration: 12 Apr 2015 → 17 Apr 2015
|Conference||9th European Conference on Antennas and Propagation|
|Period||12/04/2015 → 17/04/2015|
Hougs, M. D., Kim, O. S., & Breinbjerg, O. (2015). A Ray-tracing Method to Analyzing Modulated Planar Fabry-Perot Antennas. In 2015 Proceedings of 9th European Conference on Antennas and Propagation IEEE.