相控阵跟踪系统测角与角度跟踪算法

摘要

针对高速运动平台与中继卫星之间稳定的双向信息传输需求，开展弹载平台二维有源相控阵卫星自跟踪技术的研究，完成二维相控阵天线跟踪系统方案的设计，为弹载中继终端大规模二维有源相控阵的研制奠定基础。首先给出相控阵跟踪系统方案并对相控阵自跟踪系统的关键技术进行了分析：角度搜索/捕获，角度测量，角度跟踪；随后对相控阵卫星跟踪系统的测角方法和角度跟踪滤波算法进行研究，分析了具体原理并对测角精度和跟踪精度进行了仿真研究。%According to the demand of two-way information transmission between the high-speed motion platform and the repeater satellite,the research on the automatic satellite tracking technology for missile-borne active two-dimensional phased array is carried out.The design the tracking system would lay the foun-dation for the development of large-scale two-dimensional active phased array radar for the missile-borne re-peater terminal.At first,the project of the phased array tracking system is introduced and then the key tech-nologies of the tracking system are analyzed,such as angle searching/capturing,angle measurement and an-gle tracking.The paper focuses on the angle measurement and the algorithm of angle tracking filtering for the system,analyzing the main principles and carrying out the simulation study on the angle measurement track-ing accuracy and tracking accuracy.