机载双站SAR的通用模型及其结构分析  

A general model of bistatic airborne SAR and its configuration analysis

作　　者：武拥军[1] 张建华[1] 宋铮[1] 

机构地区：[1]电子工程学院信息系,安徽合肥230037

出　　处：《合肥工业大学学报（自然科学版）》2011年第12期1898-1902,共5页Journal of Hefei University of Technology：Natural Science

基　　金：安徽省自然科学基金资助项目(11040606M126)

摘　　要：文章建立了机载双站SAR的通用几何模型,定义了描述该模型的2个结构参数,据此给出了基于接收机轨迹的雷达回波信号模型;根据2个结构参数的取值及其变化特点对机载双站SAR的空间构型进行了分类,讨论了各种构型中机载双站SAR的工作模式及其对收、发雷达天线的波束控制要求,并通过仿真研究了各种机载双站SAR构型情况下2个结构参数的变化特性,为成像算法的研究奠定了基础。The general geometric model of the bistatic airborne SAR is established and two configura- tion parameters to describe this model are defined. The echo signal model of the radar based on the receiver trajectory is presented by the configuration parameters. According to the values and variant characteristics of the two configuration parameters, the space configuration of the bistatic airborne SAR is sorted. In every configuration, the working mode of the bistatic airborne SAR and its demand on the beam controlling of the transmitting and receiving antennae are discussed. The variant characteristics of two configuration parameters for each configuration are studied by the simulations, which will lay the foundations for the study of the imaging algorithms.

关 键 词：机载双站SAR 几何模型 结构参数 工作模式 结构分析 

分 类 号：TN958[电子电信—信号与信息处理]