Holographic pattern synthesis with modulated substrate integrated waveguide line-source leaky-wave antennas

Journal ar
IEEE Transactions on Antennas and Propagation
  • Volumen: 61
  • Número: 7
  • Fecha: 01 enero 2013
  • Páginas: 3466-3474
  • ISSN: 0018926X
  • Tipo de fuente: Revista
  • DOI: 10.1109/TAP.2013.2257650
  • Tipo de documento: Artículo
  • Editorial: Institute of Electrical and Electronics Engineers Inc.
We present the synthesis of one-dimensional (line-source) leaky-wave antennas (LWAs) in substrate integrated waveguide (SIW) technology with modulated geometry, demonstrating the capability to flexibly tailor the radiated fields pattern, both in near- and far-field regimes. The synthesis technique is inspired in holographic concepts, which are related to the existence of modulated leaky waves. A systematic design algorithm to obtain the requested modulation of the SIW width and distance between posts to synthesize the desired radiation pattern is described. Several design examples operating at 15 GHz are reported and experimentally validated, showing the power and versatility of the proposed holographic SIW technology. © 1963-2012 IEEE.

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