FIELD: physics.
SUBSTANCE: invention relates to superhigh-frequency equipment, specifically to transceiving antennae with circular pattern in azimuth plane, intended for radiation/reception of vertical polarization waves, and can be used in active radar systems with active response, in particular automatic dependent surveillance-broadcasting stations (ADS-B) and multi-position surveillance systems (MPSS), equipped for the purpose of synchronization and determining own location of GLONASS/GPS navigation equipment. Disclosed technical result is achieved due to that vertical polar array of vertical polarization with circular azimuth pattern includes vertical support in form of hollow metal cylinder with metal screen in upper end part, distribution system, which is an N-channel power divider (N is an integer), outputs of which are connected to inputs of N identical power dividers in halves, and N identical emitters arranged along support axial line, each of which consists of two conformal slot radiators unfolded by 180° relative to each other in horizontal plane, and in-phase excited by power divider in two, wherein the distribution system and the radiators are made on the basis of the conformal symmetrical stripline line in the form of a multilayer structure consisting of five odd current conducting layers and four even dielectric layers, which are concentrically conjugated with the outer surface of the support, forming a topology of strip conductors and screens of the N-channel power divider, power dividers in half and conformal radiators and releasing the upper and inner parts of the support for embedding the GLONASS/GPS antenna channel, and connection of outputs of N-channel power divider with corresponding inputs of dividers in halves is made in form of N current conducting jumpers and N current-conducting U-shaped screens, passing through all layers of structure and forming together sections of symmetrical strip line.
EFFECT: high operating frequency range while maintaining high gain, possibility of expanding the working sector in the elevation plane when forming a beam pattern of a special shape, in particular coaxial, as well as having an internal GLONASS/GPS antenna channel.
3 cl, 5 dwg
Title | Year | Author | Number |
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Authors
Dates
2020-12-11—Published
2020-03-06—Filed