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PEC cavity for a ring array of spiral antennas

Abstract : The design of a low-profile PEC cavity for a ring array of spiral antennas is presented. The goal of the design is to determine the configuration of a finite cavity to provide maximum front-to-back ratio (FBR) while keeping a good reflection coefficient for an octave bandwidth. Wall height and distance from the base of the cavity to the antennas are varied. It is shown that a wall height smaller than the distance of the antennas to the base of the cavity provides the best option of FBR (up to 6 dB at low frequencies).
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https://hal-supelec.archives-ouvertes.fr/hal-01103943
Contributor : Virginie Bouvier <>
Submitted on : Thursday, January 15, 2015 - 4:36:50 PM
Last modification on : Friday, June 26, 2020 - 2:34:02 PM

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Israël Hinostroza, Régis Guinvarc'H, Randy L. Haupt. PEC cavity for a ring array of spiral antennas. 2014 IEEE Antennas and Propagation Society International Symposium (APSURSI 2014), IEEE, Jul 2014, Memphis, United States. pp.939-940, ⟨10.1109/APS.2014.6904798⟩. ⟨hal-01103943⟩

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