Suppression of reflections by directive probes in spherical near-field measurements

Per Christian Hansen, Flemming H. Larsen

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    Abstract

    The influence of probe correction in spherical near-field measurements on signals from outside the test volume is investigated theoretically and experimentally. It is found that the suppression of reflections obtained by a directive probe is not disturbed by the probe correction. A geometric relation between the antenna "minimum sphere" and the probe pattern beamwidth is established, whose satisfaction guarantees the absence of numerical instabilities in the far-field computation. The condition is sufficient, but not necessary if the "minimum sphere" of the antenna is in the near field of the probe.
    Original languageEnglish
    JournalI E E E Transactions on Antennas and Propagation
    Volume32
    Issue number2
    Pages (from-to)119-125
    ISSN0018-926X
    Publication statusPublished - 1984

    Bibliographical note

    Copyright: 1984 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE

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