基于星载GNSS-R探测的目标双基RCS分析  

Analysis of the target RCS in satellite-borne GNSS-R remote sensing

作　　者：刘馨宁 黄宇[1] 孙协昌[1] 李勐[1] 

机构地区：[1]航天恒星科技有限公司,北京100086

出　　处：《电子设计工程》2016年第2期124-127,共4页Electronic Design Engineering

基　　金：总装预研基金项目(9140A21010114HT05064)

摘　　要：针对星载GNSS-R地(海)表探测应用中的目标双基RCS进行了分析:首先阐述了RCS的定义以及几种典型目标的单基站后向RCS计算方法;然后以此为基础分析了双基站目标RCS的影响因素,并以散射收发角度为例通过图示说明其对这几种典型目标双基RCS值的影响;最后通过将GNSS信号性质代入双基RCS运算中得到了基于GNSS-R探测的几种典型目标的双基站RCS,并通过仿真得到了这几种目标在GNSS-R遥感探测应用背景下的双基RCS与收发角度的关系图。In this work, the bistatic target RCS in satellite-borne GNSS-R remote sensing is analyzed： in the first place, the definition of RCS and the RCS of several kinds of basic targets is stated; secondly, the affecting factors of the bistatic target RCS is illustrated with the example of scattering angle; finally, the properties of the GPS signal is induced into calculating formulas to get the bistatic RCS of these targets in satellite-borne GNSS-R remote sensing, and the relationship between the bistatic RCS and the scattering angle is shown in the simulations.

关 键 词：双基RCS 星载GNSS-R 被动式探测 目标识别 RCS仿真 

分 类 号：TN951[电子电信—信号与信息处理]