Ortho-mode transducers (OMTs) are key components in both dual-polarized antenna feed systems for telecommunication and radio-astronomy applications. The evaluation of the overall system performance requires the measurement of the return loss, isolation and cross-coupling levels of the OMTs. In this paper a novel technique for the microwave measurements of the full 4x4 scattering matrix of such devices is reported, which is based on different measurements at the single-polarized ports.
A microwave measurement procedure for a full characterization of ortho-mode transducers
O A Peverini;R Tascone;A Olivieri;R Orta;G Virone
2003
Abstract
Ortho-mode transducers (OMTs) are key components in both dual-polarized antenna feed systems for telecommunication and radio-astronomy applications. The evaluation of the overall system performance requires the measurement of the return loss, isolation and cross-coupling levels of the OMTs. In this paper a novel technique for the microwave measurements of the full 4x4 scattering matrix of such devices is reported, which is based on different measurements at the single-polarized ports.File in questo prodotto:
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