Abstract
Photonic beamformer model for linear phased array antenna in the receive mode has been developed, investigated and experimentally tested. The proposed beamformer scheme based on true-time-delay technique, DWDM technology and fiber chromatic dispersion has been designed. The beamforming arrangement for ultra wideband antenna array can currently provide the required true time delay capabilities by using modern fiber-optical telecom components available at the market. The attention was paid to measurements of intrinsic time delays in used fiber-optic components which are significant for beamformer design. Experimental demonstration of the designed model beamforming features included actual measurement of 5-element receiving microwave linear phase array antenna far-field patterns in 6–18 GHz frequency range for antenna pattern shifts up to 40º which show no squint effect. The influence of inaccuracy of photonic beamformer channels time delays setting and amplitude aligning on the antenna beamforming has been also analysed.
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Ivanov, S.I., Lavrov, A.P., Saenko, I.I. (2017). Model of Photonic Beamformer for Microwave Phased Array Antenna. In: Galinina, O., Andreev, S., Balandin, S., Koucheryavy, Y. (eds) Internet of Things, Smart Spaces, and Next Generation Networks and Systems. ruSMART NsCC NEW2AN 2017 2017 2017. Lecture Notes in Computer Science(), vol 10531. Springer, Cham. https://doi.org/10.1007/978-3-319-67380-6_44
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DOI: https://doi.org/10.1007/978-3-319-67380-6_44
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