A diagnostic technique used to obtain cross-range radiation centers from antenna patterns

Lee, T.-H.; Burnside, W. D.

doi:10.1109/8.43532

Cited by 2 publications

(1 citation statement)

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“…Different approaches are available in the literature, but all authors coincide about radiation being actually produced at privileged locations on the antenna [1]- [3], i.e., the radiation centers, and their importance for further optimization of existing designs [4], [5]. The actual physics behind each radiation center depends on the antenna itself, and its analytical determination is not straightforward.…”

Section: Introductionmentioning

confidence: 99%

Reconstruction of Measured Antenna Patterns and Related Time-Varying Aperture Fields

Martí-Canales

Ligthart²

2004

IEEE Trans. Antennas Propagat.

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Abstract-In this paper, the authors present a method to reconstruct measured antenna radiation patterns and their related time-varying aperture fields. The method is based on a model that accounts for the measurement scenario and the antenna radiation characteristics through its radiation centers. The inputs to the model are radiation pattern measurements over a certain bandwidth. Solving the model provides the number of radiation centers, the patterns coupled with each radiation center, and the time delay at which these patterns would be measured. With this information one can reconstruct the measured pattern and retrieve the time-varying aperture fields of the antenna. The latter also provides a diagnostic tool for complex radiating structures. The method and the model are validated with measurements performed in a compact range of two spaceborne antennas.

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Section: Introductionmentioning

confidence: 99%