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Introduction to Horn Antennas. Introduction. Horn Antennas : flared waveguides that produce a nearly uniform phase front larger than the waveguide itsel f constructed in a variety of shapes such as sectoral E-plane, sectoral H-plane, pyramidal, conical, etc. Application Areas.

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introduction
Introduction

Horn Antennas :

  • flared waveguides that produce a nearly uniform phase front larger than the waveguide itself
  • constructed in a variety of shapes such as sectoral E-plane, sectoral H-plane, pyramidal, conical, etc.
application areas
Application Areas
  • used as a feed element for large radio astronomy, satellite tracking and communication dishes
  • A common element of phased arrays
  • used in the calibration, other high-gain antennas
  • used for making electromagnetic interference measurements
e plane sectoral horn
E-plane Sectoral Horn
  • Fields expressions OVER THE hornare similar to the fields of a TE10 mode for a rectangular waveguide with the aperture dimensions of a and b1.
  • difference is in the complex exponential term, parabolic phase error,.
slide7

E and H-Plane Patterns

E-Plane

H-Plane

)

pyramidal horn
Pyramidal Horn
  • combination of the E-plane and H-plane horns and as such is flared in both directions
other horn antenna types
Other horn antenna types
  • Multimode Horns
  • Corrugated Horns
  • Hog Horns
  • Biconical Horns
  • Dielectric Loaded Horns

etc.

references
References
  • A.W. LOVE “The Diagonal Horn Antennas” microwave J., Vol. V,pp. 117-122, Mar. 1962
  • Constantine A. Balanis, ‘Antenna Theory, Analysis and Design’ 2nd Ed., Wiley,1997
  • D.M Pozar, ‘Directivity of Omnidirectional Antennas’ 1993
  • R.E Collin, ‘Antennas and Radiowave Propagation’ McGraw- Hill , 1985*
  • Samuel Silver, ‘Microwave Antenna Theory And Design’ McGraw- Hill , 1949