Retrieval of antenna pattern through data measured in non-ideal environment

  • Authors: Choni Y.1, Danilov I.2
  • Affiliations:
    1. Казанский национальный исследовательский технический университет им. А.Н. Туполева - КАИ
    2. АО «Информационные спутниковые системы» им. акад. М.Ф. Решетнёва»
  • Issue: Vol 18, No 4 (2015)
  • Pages: 41-44
  • Section: Articles
  • URL: https://journals.ssau.ru/pwp/article/view/7227
  • ID: 7227

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Abstract

A measurement procedure, which includes investigation of the illuminating field with a probe being moved around the work area, is analyzed. This field is represented by a convergent cluster of plane waves, the spatial spectrum of which is used at the stage of pattern reconstruction. On examples of two-dimensional scalar tasks (measuring in the plane and under condition that polarization antenna and illuminating field are the same), very interesting reliefs of fields formed by plane waves cluster, which approximates a spherical wave from a relatively close source, are shown inside and outside the working area. Methodical accuracy of the pattern retrieval with using an isotropic probe and a probe with a cardioid pattern is compared. In the first embodiment, strengthening of the ill-posed problem of an appropriate algebraic equations system leads to a growth of oscillations of approximating field and less accurate retrieval of the antenna pattern.

About the authors

Yu.I. Choni

Казанский национальный исследовательский технический университет им. А.Н. Туполева - КАИ

Author for correspondence.
Email: kai@kstu-kai.ru

I.Yu. Danilov

АО «Информационные спутниковые системы» им. акад. М.Ф. Решетнёва»

Email: office@iss-reshetnev.ru

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Copyright (c) 2015 Choni Y., Danilov I.

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