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|Type:||Artigo de periódico|
|Title:||Tridimensional Yagi antenna: shaping radiation pattern with a non-planar array|
|Abstract:||This work presents the concept and development of the tridimensional Yagi antenna, which is a novel type of Yagi antenna operating in P band. It is idealised from two other types of Yagi antennas: Quasi-Yagi and Yagi-Uda. The resultant antenna is based on a microstrip balun, as in the first, and its driver and directors are made from metal tubes, as in the second, both integrated to a reflecting plane. The key point of this new antenna model is its asymmetric and reconfigurable radiation pattern and therefore the possibility of a high rejection between sectors in a plane. This feature was accomplished with the new concept of progressive rotation of directors around the driver. The authors present a design methodology to adjust return loss and radiation pattern characteristics. The final prototype presents 9.4 dB gain at 450 MHz and 47% bandwidth centred at 425 MHz.|
|Editor:||Inst Engineering Technology-iet|
|Appears in Collections:||Artigos e Materiais de Revistas Científicas - Unicamp|
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