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Dual-band System composed by a Photonics-based Radar and a Focal-Point/Cassegrain Parabolic Antenna

T. H. Brandão et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo

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Author / responsible party
T. H. Brandão et al
Publisher
Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo
ISSN
2179-1074
ISSN
2179-1074
Language
English

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Abstract This work reports a dual-band radar system composed of aphotonics-based transceiver and a unique dual-band antenna. The proposed antenna consists of an integration of conventional focal-point and Cassegrain parabolic antennas in the same structure, ensured by using a subreflector based on a frequency selective surface. Numerical and experimental results in terms of the antenna reflection coefficient, radiation pattern and gain are reported with excellent agreement over both frequency ranges. The innovative dual-band photonics-based radar transceiver operates simultaneously in the S- and X-bands. The radar system has been properlyvalidated by multiple detections of helicopters and airplanes in real conditions.

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APA 7

al, T. H. B. E. (s. f.). Dual-band System composed by a Photonics-based Radar and a Focal-Point/Cassegrain Parabolic Antenna. https://doi.org/10.1590/2179-10742018v17i41545

MLA

al, T. H. Brandão et. "Dual-band System composed by a Photonics-based Radar and a Focal-Point/Cassegrain Parabolic Antenna.". https://doi.org/10.1590/2179-10742018v17i41545.

Chicago

al, T. H. Brandão et. s. f. "Dual-band System composed by a Photonics-based Radar and a Focal-Point/Cassegrain Parabolic Antenna.". https://doi.org/10.1590/2179-10742018v17i41545.

Harvard

al, T. H. B. E. s. f, Dual-band System composed by a Photonics-based Radar and a Focal-Point/Cassegrain Parabolic Antenna, Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo, available at: https://doi.org/10.1590/2179-10742018v17i41545 [Accessed 7 Aug. 2026].

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Title
Dual-band System composed by a Photonics-based Radar and a Focal-Point/Cassegrain Parabolic Antenna
Author / contributors
T. H. Brandão et al
Publisher
Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo
ISSN
2179-1074
ISSN
2179-1074
Language
English

Subjects

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Antennas; dual-use radars; frequency selective surface and radar
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