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Keywords:

  • Vivaldi antenna;
  • cross polarization;
  • impedance matching

Abstract

A combination method is utilized to design eagle feed Vivaldi antenna.The antenna structure is discretized into arbitrary number of sections whose characteristic impedances and their corresponding dimensions are evaluated using transmission line theory and finite element method, respectively. The proposed antenna is compared with two classical designs, theoretically and experimentally. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:126–133, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26516