A novel technique for acquiring high aperture efficiency in dual reflectarray antennas (DRA) is presented. This technique is performed by using a shaped beam sub-reflectarray which gives optimum illumination on the main reflectarray aperture. Applying this technique resolves the inherent deficiency of reflectarrays; which is the impossibility of controlling elements amplitude. In this regard, it has been shown that using this feature, the aperture efficiency of a classic dual reflectarray antenna can be enhanced significantly by optimally shaping the sub-reflectarray radiation pattern. Theoretical analysis demonstrates an improvement of about 12 % in antenna aperture efficiency comparing with a conventional dual reflectarray antenna.
Mousavi, S. M., & Mirtaheri, S. A. (2015). Controlling Amplitude Distribution on Reflectarray Antennas for Maximum Aperture Efficiency. Electronics Industries, 6(3), 5-12.
MLA
Seyed Mostafa Mousavi; Seyed Abdullah Mirtaheri. "Controlling Amplitude Distribution on Reflectarray Antennas for Maximum Aperture Efficiency". Electronics Industries, 6, 3, 2015, 5-12.
HARVARD
Mousavi, S. M., Mirtaheri, S. A. (2015). 'Controlling Amplitude Distribution on Reflectarray Antennas for Maximum Aperture Efficiency', Electronics Industries, 6(3), pp. 5-12.
VANCOUVER
Mousavi, S. M., Mirtaheri, S. A. Controlling Amplitude Distribution on Reflectarray Antennas for Maximum Aperture Efficiency. Electronics Industries, 2015; 6(3): 5-12.