Design and Simulation of X band Transmit Array Antenna with an Isoflux Beam

Document Type : Original Article

Authors

1 University of Science and Technology of Iran

2 Iran University of Science and Technology Department Electrical Engineering

Abstract

This paper presents a dual polarized isoflux transmit array antenna architecture. The design of a compact antenna is done with spiral dipole elements. The optimization and design process of an isoflux transmit array for a satellite in the low earth orbit (LEO) is presented. Intersection approach optimization algorithm is used to create an isoflux power pattern on the earth surface. An approach is incorporated into the synthesis technique that allows one to constrain the transmission coefficient to values which are selected from an available database of transmission coefficients. The antenna dimension is about 388mm × 388mm × 17.5mm and this transmit array antenna is fed by a horn in the X band frequency. Bandwidth of the beam form is more than 20 percent and aperture efficiency in the center frequency is about 55 percent.

Keywords

References

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Applied Electromagnetics
Volume 8, Issue 1 - Serial Number 20
September 2020
Pages 45-52

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History

  • Receive Date: 12 November 2019
  • Revise Date: 11 January 2020
  • Accept Date: 14 June 2020
  • Publish Date: 22 August 2020

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