Density tapering for antenna arrays based on a coordinate transform

Craeye, Christophe;Buisson Douglas;Razavi, Nima;Bui Van Ha
(2016) 2016 URSI International Symposium on Electromagnetic Theory, EMTS 2016 — Location: Espoo, Finland (14.August.2016)

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Authors
  • Author
  • Buisson DouglasInstitute of Astronomy, University of Cambridge, Cambridge, UK
    Author
  • Razavi, NimaCavendish Astrophysics, University of Cambridge, Cambridge, UK
    Author
  • Bui Van HaUCLouvain
    Author
Abstract
A differential equation is established to transform an array with constant average density into an array with prescribed density. It is shown that this allows good control over the first few sidelobes. This is especially true when combined with a limited amplitude weighting that compensates for local density variations, with limited effect on the array sensitivity.
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Citations

Craeye, C., Buisson Douglas, Razavi, N., & Bui Van Ha. (2016). Density tapering for antenna arrays based on a coordinate transform. Proceedings of the 2016 URSI International Symposium on Electromagnetic Theory, EMTS 2016. Published. 2016 URSI International Symposium on Electromagnetic Theory, EMTS 2016, Espoo, Finland. https://doi.org/10.1109/URSI-EMTS.2016.7571493