Mobile satellite communication multi-subarray panel antenna array and optimization method thereof
A technology for mobile satellite communication and flat-panel antennas, which is applied to antenna arrays, antennas, and independent antenna unit combinations, etc., and can solve problems such as sidelobe level rise, long transit time, and poor antenna pattern characteristics.
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[0054] Such as figure 1 , figure 2 Shown a kind of mobile satellite communication multi-sub-array panel antenna array, comprises a plurality of panel antenna sub-arrays 1, the antenna turntable that is installed for a plurality of described panel antenna sub-arrays 1 and the radiation that is respectively connected in each panel antenna sub-array 1 Multiple feeder systems 3 between the unit and the signal transceiving port, multiple flat antenna sub-arrays 1 are installed in parallel on the antenna turntable, and the target elevation angles of the multiple flat antenna sub-arrays 1 aimed at the target satellite are all the same. The feeder system 3 includes a phase shifter 3-1 connected to the signal transceiving port and multiple sets of delay lines 3-2 connected between the radiation unit of the panel antenna sub-array 1 and the phase shifter 3-1, The number of the panel antenna sub-arrays 1 is Q and the distance between two adjacent panel antenna sub-arrays 1 is d i , wh...
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