Surface imaging and parameter determination of an antenna range

David G. Asatryan; Gourgen M. Babayan

doi:10.1117/12.526160

28 May 2004 Surface imaging and parameter determination of an antenna range

David G. Asatryan, Gourgen M. Babayan

Proceedings Volume 5298, Image Processing: Algorithms and Systems III; (2004) https://doi.org/10.1117/12.526160
Event: Electronic Imaging 2004, 2004, San Jose, California, United States

Abstract

A problem of surface imaging and parameter determination in an antenna far-field range by scanning the electromagnetic field intensity distribution in a plane combined with the imagined position of a test antenna aperture is considered. The signal at the receiver output is formed as a result of superposition in the antenna of the direct and reflected waves from the range surface. Exact and approximate mathematical models for description of an "Antenna - Range" system are offered and analysed. Model parameters are determining by statistical regression method. The system parameter dependence on model parameters is obtained. The offered method allows determining both the path length and direction of the reflected waves, the sites of the antenna range essential in reflection, as well as all system parameters, including the module of reflection coefficient. Processing of both modeled and measured signals, as well as surface imaging of a virtual and the real antenna ranges are carried out. The results may be used during operation of any existing antenna range, as well as in their design.

Citation Download Citation

David G. Asatryan and Gourgen M. Babayan "Surface imaging and parameter determination of an antenna range", Proc. SPIE 5298, Image Processing: Algorithms and Systems III, (28 May 2004); https://doi.org/10.1117/12.526160

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