Beam control system and beam control method of phased-array antenna

The invention discloses a beam control system and a beam control method of a phased-array antenna. The beam control system of the phased-array antenna comprises a processor, a first FPGA (Field Programmable Gate Array) circuit and the phased-array antenna, the first FPGA circuit is coupled with the processor; the phased-array antenna is coupled to the first FPGA circuit; wherein the first FPGA circuit has at least two antenna working modes, the processor is used for sending a switching instruction to the first FPGA circuit, and the first FPGA circuit is used for responding to the switching instruction, selecting the antenna working mode corresponding to the switching instruction and controlling the phased-array antenna to work according to the selected antenna working mode. Through the above mode, the control flexibility of the phased-array antenna can be improved. 本申请公开了相控阵天线的波束控制系统以及波束控制方法。其中，相控阵天线的波束控制系统包括处理器、第一FPGA电路以及相控阵天线；第一FPGA电路耦接处理器；相控阵天线耦接第一FPGA电路；其中，第一FPGA电路具有至少两种天线工作模式，处理器用于发送切换指令给所述第一FPGA电路，第一FPG