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Design method for offset shaped dual-reflector antenna with an elliptical aperture of low cross-polarisation characteristics

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5 Author(s)
K. Aoki ; Commun. Syst. Center, Mitsubishi Electr. Corp., Amagasaki, Japan ; N. Miyahara ; S. Makino ; S. Urasaki
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The paper presents a design method for an offset shaped dual-reflector antenna (OSDRA) with an elliptical aperture of low cross-polarisation characteristics. This method is a dual-reflector synthesis based on a reflector shaping method using reflector shaping functions and is applied to attain low cross-polarisation characteristics for the OSDRA. The initial values for the reflector shaping are explicitly determined by a reflector system configuration transformation technique. This design method has been verified through measurement of an elliptical aperture antenna for a satellite news gathering system and a very small aperture terminal in the Ku band

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IEE Proceedings - Microwaves, Antennas and Propagation  (Volume:146 ,  Issue: 1 )