Design of broad-band and low-profile multi-polarized transmitting array antenna
A broadband two-dimensional scanning triangular grid multi-polarization transmission array has been designed,with the array antenna adopting a dual-polarized all-metal Vivaldi structure.The miniaturization of the metal Vivaldi antenna can meet the array conditions of the triangular grid.Based on the theory of polarization formation,the characteristics of its multi-polarization formation are studied to adapt to more diversified applications.The prototype measurement results indicate that the antenna array can achieve high-power multi-polarization formation within the X and Ku frequency bands(operating bandwidth ratio of 3∶1);with an active Voltage Standing Wave Ratio(VSWR)less than 3,the azimuth and elevation scanning angles can reach±30°;the equivalent radiated power(within±30° scanning angle)can reach 110 kW;the array profile is 17 mm.
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维普
