RANGE DISTANCE REQUIREMENTS FOR LARGE ANTENNA MEASUREMENTS FOR LINEAR APERTURE WITH UNIFORM FIELD DISTRIBUTION | Zendy

Sergey P. Skulkin | Zendy; V. I. Turchin | Zendy; Nikolay I. Kascheev | Zendy

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RANGE DISTANCE REQUIREMENTS FOR LARGE ANTENNA MEASUREMENTS FOR LINEAR APERTURE WITH UNIFORM FIELD DISTRIBUTION

Author(s) -

Sergey P. Skulkin,

V. I. Turchin,

Nikolay I. Kascheev

Publication year - 2016

Publication title -

progress in electromagnetics research m

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.216

H-Index - 31

ISSN - 1937-8726

DOI - 10.2528/pierm16031604

Subject(s) - range (aeronautics) , aperture (computer memory) , antenna (radio) , distribution (mathematics) , antenna aperture , optics , field (mathematics) , acoustics , physics , materials science , mathematics , computer science , radiation pattern , telecommunications , mathematical analysis , pure mathematics , composite material

Frequency dependences of the field for constant angle of observation measured by different probes at different distances are discussed. We consider the case of the square aperture antenna with the uniform field distribution. The analysis is based on time-domain physical optics method of field calculation. We show and explain the effect of sidelobe reduction when a big square probe is placed at a finite distance from square aperture antenna. Errors of the sidelobe levels of the antenna radiation pattern (ARP) in the cases of different sizes of the probe placed at different distances are shown. We show an optimal probe size and an optimal measurement distance between antennas. We also show and explain the effect of a large distortion of the ARP first zero, measured by the big probe at the finite distance.

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