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Cruz, Catarina C., C. A. Fernandes, Matos, S. & Costa, J. R. (2018). Phase-only shaped beam transmit-array. 2018 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting.
A. C. Cruz et al., "Phase-only shaped beam transmit-array", in 2018 IEEE Int. Symp. on Antennas and Propagation and USNC-URSI Radio Science Meeting, Boston, 2018
@misc{cruz2018_1766292086518,
author = "Cruz, Catarina C. and C. A. Fernandes and Matos, S. and Costa, J. R.",
title = "Phase-only shaped beam transmit-array",
year = "2018"
}
TY - CPAPER TI - Phase-only shaped beam transmit-array T2 - 2018 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting AU - Cruz, Catarina C. AU - C. A. Fernandes AU - Matos, S. AU - Costa, J. R. PY - 2018 CY - Boston AB - A new analytical formulation is presented in this paper to obtain the phase correction function for planar transmitarrays, to produce a prescribed amplitude template. This phaseonly design enables using high transmission unit cells to favor maximum gain. Here, a transmit-array transforms the known power radiation pattern of the primary source into a desired output power pattern. As a proof of concept, two different output power radiation patterns are presented, namely, a sec2 with a roll-off at 45º and a flat-top with 20º of roll-off, at the 30 GHz Ka-band. The transmit-array aperture is 180 mm × 180 mm, with 60 mm focal length. It is illuminated by a 10.8 dBi feed radiation pattern, with circular polarization ER -
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