High Gain Printed Phased Array for SAR Applications Using Planar Electromagnetic Band-Gap Technology

Abstract

This paper shows how the design of integrated arrays can significantly benefit from Planar Circularly Symmetric (PCS) Electromagnetic Band Gap (EBG) structures. Using this technology, a phased array that scans up to 40 degrees in one dimension and that is characterized by relatively large bandwidth (BW~15%) is designed, manufactured and tested. The specific advantages coming from the use of PCS-EBGs are two fold. On one hand the losses associated to surface waves are significantly reduced. On the other hand each element of the array has a larger effective area that leads to a higher gain for the complete array when compared with a standard technology. Additional benefits are the low cross-polarization levels, the good front to back ratio, considering that the antenna does not include a backing reflector, and the low profile.

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Document Details

Document Type
Technical Report
Publication Date
Oct 01, 2006
Accession Number
ADA479898

Entities

People

  • A. Neto
  • G. Gerini
  • N. Llombart

Tags

Communities of Interest

  • Advanced Electronics
  • Air Platforms
  • Sensors

DTIC Thesaurus Topics

  • Abstracts
  • Arrays
  • Band Gaps
  • Bandwidth
  • Cross Polarization
  • Dielectric Permittivity
  • Dielectrics
  • Energy Bands
  • Frequency
  • Frequency Shift
  • High Gain
  • Phased Arrays
  • Polarization
  • Radiation Patterns
  • Surface Waves
  • Synthetic Aperture Radar
  • Waves

Fields of Study

  • Physics

Readers

  • Integrated Circuit Design and Technology.
  • Microwave Engineering.
  • Phased Array Antenna Design.