一种某舰载相控阵雷达码头标校及数据处理方法  

A Terminal Calibration and the Data Processing Method of a Shipborne Phased Array Radar

作　　者：王德良 赵良萍 陈飞[1] WANG Deliang;ZHAO Liangping;CHEN Fei(Nanjing Research Institute of Electronics Technology,Nanjing 210039)

机构地区：[1]南京电子技术研究所,南京210039

出　　处：《舰船电子工程》2022年第10期172-176,198,共6页Ship Electronic Engineering

摘　　要：基于舰船机动遍历大角度的舰载相控阵雷达码头标校是舰船出航执行任务前进行雷达对准评估的一种新方法,介绍了该方法的工程实现,研究了标校测量数据的处理和分析方法。综合考虑舰上测试站GPS天线偏离雷达回转中心的位移和舰船姿态对真值的影响,建立修正模型,给出数学表达式,定量分析了因转换引入的误差情况和不同雷达扫描角下的误差情况,并通过离散小波变换对标校测量误差样本数据进行处理,去噪和剔除奇异值得出平稳趋势,评估装订参数(系统差和大角度修正)的有效性。结合误差分析和实际应用,表明了该处理方法的实用性,对开展舰载雷达标校有指导性意义。The terminal calibration of shipborne phased array radar based on ship maneuvering for traversing all angle is a new method for radar alignment evaluation before ships sail. It introduces the method of engineering implementation,and studies the calibration measurement data processing and analysis methods. Considering the influence for the true value resulting from the displacement of the GPS antenna of the ship’s measuring station away from the center of rotation of the radar and the ship’s attitude,it establishes a correction model and gives the mathematical expression,and analyzes the error quantitatively caused by the conversion and the error situation under the different radar scanning angles. And it processes the sample data of calibration measurement error by discrete wavelet transform,obtains a stable trend by removing the noise and singular value,and evaluates the effectiveness of the binding parameters(system error and large angle correction). It shows the practicability of this processing method by combining with error analysis and practical application,and it has a guiding significance for carrying out shipborne radar calibration.

关 键 词：标校 舰载相控阵雷达 坐标变换 小波变换 

分 类 号：TN95[电子电信—信号与信息处理]