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PIER PIER B PIER C PIER M PIER Letters
2008-03-25
An Alternative Solution for the Reflector Surface Retrieval Problem
By
Pietro Bolli,

    Dr. Pietro Bolli

    Osservatorio Astronomico di Cagliari

    Istituto Nazionale Astrofisica

    Italy

    Homepage

Giuseppe Mazzarella,

    Prof. Giuseppe Mazzarella

    University di Cagliari

    Italy

    Homepage

Giorgio Montisci,

    Dr. Giorgio Montisci

    University di Cagliari

    Italy

    Homepage

Giampaolo Serra

    Dr. Giampaolo Serra

    Dipartimento di Ingegneria Elettrica ed Elettronica

    University di Cagliari

    Italy

    Homepage

Progress In Electromagnetics Research, Vol. 82, 167-188, 2008
doi:10.2528/PIER08021102
Abstract
The retrieval of the surface profile of a reflector antenna is an important task, mainly for radio-astronomical applications. The microwave holography retrieves the reflector profile starting from a set of measured far-field data. The main step of this technique is the computation of the induced currents on the reflector surface. This requires the solution of a linear inverse problem which is strongly illconditioned. We propose a new technique, based on the Singular Value Decomposition, for the solution of this linear inversion problem. This technique supplies a flexible regularization scheme, able to take into account also the noise level of the data. The proposed procedure has been tested on a number of different cases, with field data generated by a commercial software.
Citation
Pietro Bolli, Giuseppe Mazzarella, Giorgio Montisci, and Giampaolo Serra, "An Alternative Solution for the Reflector Surface Retrieval Problem," Progress In Electromagnetics Research, Vol. 82, 167-188, 2008.
doi:10.2528/PIER08021102
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