A 1-m, X-band, circularly polarized, inflatable microstrip reflectarray has been developed. It has demonstrated the achievement of a surface tolerance of ±1.3 mm, a mass of 1.2 kg, a bandwidth of at least 3%, a peak sidelobe and a peak cross-pol of −18 dB, and a radiation efficiency of 37%. Correctable areas have been identified to improve the radiation efficiency in the future.
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Huang et al. (1999) studied this question.
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