FIELD: radio engineering, communication.
SUBSTANCE: invention relates to radio engineering. Disclosed is a compact vertical antenna array with construction of dipoles based on coaxial resonators, without limitations on the number of elements and amplification. The antenna array is in the form of a vertical rod which can be placed in a dielectric cover in the form of a tube. Decoupling between radiators is realised using quarter-wave coaxial resonators which structurally divide the radiators, where the length of said resonators is realised by cutting by a value defined based on the condition of compensating for stray capacitance arising between the end surfaces of adjacent dipoles. This enables to achieve independent parallel feeding of radiators when placed close to each other and compact dimensions of the antenna array.
EFFECT: setting up a parallel feed circuit; achieving the required amplification with an unlimited number of elements; and designing a simple structure.
16 cl, 11 dwg
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Authors
Dates
2016-01-20—Published
2013-10-04—Filed