High-power and large-diameter broadband millimeter-wave air-fed phased array radar system and imaging method
An imaging method and radar technology, applied in the field of millimeter-wave air-fed phased array radar, can solve the problems of small number of targets, low radar data rate, low mechanical scanning rate, etc. The effect of low feeder loss
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[0044] In order to facilitate those skilled in the art to understand the technical content of the present invention, the content of the present invention will be further explained below with reference to the accompanying drawings.
[0045] In order to solve the problem that the beam electronic scanning range of the existing large-bandwidth, high-power, large-diameter millimeter-wave radar system is too narrow and realize the millimeter-wave phased array radar integrated with large-scale antenna units, the present invention provides a millimeter-wave space-fed phased array. In the array radar system, the antenna array is fed by air feed, which reduces the antenna loss and improves the aperture efficiency, and reduces the difficulty of implementing large-scale phased array antennas. A broadband air-fed phased array radar using stepped frequency signals is provided. The system reduces the instantaneous working bandwidth of the radar system, enables the antenna beam of the phased a...
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