FIELD: physics, radio.
SUBSTANCE: invention is related to the field of antenna engineering, in particular to design of small-size unified antenna module for building of antenna complexes of low, medium and high efficiency of telemetric antenna complexes. Technical result is achieved by the fact that unified antenna module that represents parallelepiped with square base and radio-transparent fairing on top, which is formed by two parallel metal screens and comprises system of signals addition and system of mutually orthogonal slot antennas on upper screen, at that for decimetre range upper screen is formed by metal plates with grounded central point, for metre range roll-formed channels are used with grounded central point, and lower screen is represented with metal plates of upper screen, height of upper screen and roll-formed channel above appropriate lower screens makes λW/4, where λW is wave length that corresponds to 0.9 of range high frequency, length of slot and channel makes (λW/2-λW/16), and width of slot and profile makes λW/32. For decimetre range partial radiator is formed by four metal plates for reception of horizontal and vertical polarisation, for metre range partial radiator is formed by four roll-formed channels.
EFFECT: reduction of size and weight of structure, manufacturability and simplicity of manufacture, reduction of steel intensity, possibility to use available drives of existing antenna complexes.
2 cl, 10 dwg
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Authors
Dates
2009-05-20—Published
2008-05-07—Filed