SELF-CALIBRATION FOR FAULT OR OBSTACLE CORRECTION IN CONTINUALLY ROTATING ARRAY ANTENNAS | Zendy

Rafael González Ayestarán | Zendy; Jesús A. LópezFernández | Zendy; Fernando LasHeras | Zendy

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SELF-CALIBRATION FOR FAULT OR OBSTACLE CORRECTION IN CONTINUALLY ROTATING ARRAY ANTENNAS

Author(s) -

Rafael González Ayestarán,

Jesús A. LópezFernández,

Fernando LasHeras

Publication year - 2011

Publication title -

electromagnetic waves

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.437

H-Index - 89

eISSN - 1559-8985

pISSN - 1070-4698

DOI - 10.2528/pier10102803

Subject(s) - obstacle , calibration , fault (geology) , directional antenna , computer science , physics , acoustics , telecommunications , antenna (radio) , geology , geography , seismology , archaeology , quantum mechanics

A novel self-calibration scheme for rotating array antennas is proposed. It is based on the acquisition of some near fleld samples using a static probe providing information about the actual behavior of the antenna. If any error, fault or obstacle modifles the desired behavior, the weights applied to the feedings of the array elements are modifled so that speciflcations are fulfllled again. Additionally, coupling between the elements of the arrays is also accounted for. Difierent disciplines such as near fleld to far fleld transformation, antenna modeling, adaptive flltering or automatic learning are involved in this system. Some signiflcant results are also presented.

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