基于CORDIC算法的相控阵雷达波控系统设计实现

Designand Implementation of Phased-Array Radar Beam Steering Control System Basedon Cordic Algorithm

相控阵雷达是指相位控制电子扫描阵列雷达,其最大特点是通过快速且精确的波束转换能力,使雷达能够在短时间内完成全空域的电子扫描。高效的波控系统在其中发挥着至关重要的作用。文章介绍一种基于FPGA中的CORDIC算法构建的集中式波控系统,包括系统硬件设计组成及波束控制逻辑实现。该波控系统具有良好的波控精度和实时性。并基于某相控阵雷达测试了该系统的有效性和实时性。

Phased array radar is a phase-controlled electronically scanned array radar.Its biggest feature is that the radar can complete the electronic scanning of the whole airspace in a short time through the fast and accuratebeamsteeringcapability.Efficient beam steering controlsystem plays a vitalrole in it.This paperintroduces a centralized beamsteering controlsystem based on CORDIC algorithm in FPGA,including hardware composition and logic implementation.The system has good accuracy and real-time performance.The effectiveness and real-time performance of the system are tested based on certain phased array radar.