A phased array beam control device and control method thereof

Abstract

The invention discloses a phased array beam control device, a firmware upgrade method and a radar, comprising a first FPGA module for real-time processing of phase data of the beam; a second FPGA module for processing according to the first FPGA module data, output corresponding instructions to a plurality of radio frequency transceiver components; the clock and synchronization signal module is used to generate a clock signal and synchronize to the first FPGA module and the second FPGA module; the first DDR module is used to store The process data generated by the first FPGA module; the FLASH module is used to store configuration information required for loading; the power supply module is used to supply power to the first FPGA module and the second FPGA module. The single phased array beam control device composed of the above-mentioned first FPGA module and the second FPGA module can realize the logic control of multiple radio frequency transceiver components at the same time, reduce the number of beam control devices, thereby reducing the system hardware cost.

Description

technical field [0001] The invention relates to the technical field of signal processing, in particular to a phased array beam control device and a control method thereof. Background technique [0002] The beam control devices of phased array radar usually include centralized and distributed. Among them, centralized means that a set of beam control devices performs unified calculations on the amplitude and phase of each array unit of the phased array, and shifts the phase after the calculation is completed. The data of the transmitter and attenuator is distributed to each antenna array unit, the amount of hardware equipment is small, and the cost is low, but the calculation time will increase with the increase of antenna units, which will affect the speed of beam scanning. Distributed means that the entire array antenna is divided into multiple sub-arrays, each sub-array is controlled by a beam control device, and each beam control device only calculates the phase shift amou...

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Problems solved by technology

[0002] The beam control devices of phased array radar usually include centralized and distributed. Among them, centralized means that a set of beam control devices performs unified calculations on the amplitude and phase of each array unit of the phased array, and shifts the phase after the calculation is completed. The data of the attenuator and the attenuator are distributed to each antenna array unit, the amount of hardware equipment is small, and the cost is low, but the calculation time will increase with the increase of antenna units, which will affect the speed of beam scanning

Distributed means that the entire array antenna is divided into multiple sub-arrays, each sub-array is controlled by a beam control device, and each beam control device only calculates the phase shift amount of the RF transmitting and receiving components in this sub-array, thereby reducing the calculation time and satisfying the requirements of beam control. However, the increase in the number of beam control devices required will increase the cost, decrease the reliability, and increase the workload of debugging and maintenance.

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