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HERAS: A Modular Matlab Tool Using Physical Optics for the Analysis of Reflector Antennas.

Alejandro Baldominos1, Salvador Mercader-Pellicer2, George Goussetis1

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HERAS is a free Matlab tool for analyzing reflector antennas using physical optics. It aids engineers in optimizing designs for complex satellite communication systems, enhancing broadband service delivery.

Keywords:
multi-beam antennasobject-oriented programmingphysical opticsreflector antennas

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Area of Science:

  • Electromagnetics and Antennas
  • Computational Electromagnetics
  • Satellite Communications Engineering

Background:

  • Modern satellite communication systems require complex designs to meet increasing broadband demands.
  • Reflector antennas are key architectures for very high-throughput satellite (VHTS) systems.
  • Efficient estimation of coverage characteristics is crucial for optimizing these systems.

Purpose of the Study:

  • To introduce HERAS, a novel Matlab-based tool for reflector antenna analysis.
  • To provide a flexible and adaptable tool for system engineering requirements.
  • To facilitate the efficient estimation of VHTS system performance.

Main Methods:

  • Development of the HERAS tool in Matlab, incorporating physical optics (PO) theory.
  • Implementation of a graphical user interface (GUI) and provision of freely available source code.
  • Validation of HERAS against commercial software packages.

Main Results:

  • HERAS provides accurate analysis of reflector antennas using PO theory.
  • The tool's flexibility allows adaptation to various system engineering needs.
  • Demonstrated efficiency in estimating VHTS system performance through practical examples.

Conclusions:

  • HERAS is a valuable, freely accessible resource for educational and research purposes in antenna engineering.
  • The tool supports the design and optimization of reflector antennas for advanced satellite systems.
  • HERAS contributes to the efficient performance estimation required for VHTS development.