4.3 Article

Low RCS microstrip antenna using polarisation-dependent frequency selective surface

Journal

ELECTRONICS LETTERS
Volume 50, Issue 14, Pages 978-U87

Publisher

INST ENGINEERING TECHNOLOGY-IET
DOI: 10.1049/el.2014.1003

Keywords

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Funding

  1. Program for New Century Excellent Talents in University [NCET-11-0690]
  2. Fundamental Research funds for the Central Universities [K5051202049]
  3. National Natural Science Foundation of China [61372001]

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A low radar cross-section (RCS) microstrip antenna is proposed. A polarisation-dependent frequency selective surface (PDFSS) structure is designed and used as the antenna ground. By properly etching the unit cells of the PDFSS with different orientations on the ground of the microstrip antenna, the RCS has been reduced in the angular range of -90 degrees <= theta <= +90 degrees in both the xoz-plane and the yoz-plane under the w-polarised incident wave. The 'Gamma' shape slots between the unit cells with different orientations are used to reduce their mutual coupling.

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