上海航天（中英文）2024，Vol.41Issue(2)：154-160,7.DOI:10.19328/j.cnki.2096-8655.2024.02.020
轻小型SAR卫星平飞模式设计
Design of Translational Invariant Mode Based on Small SAR Satellite
摘要
Abstract
In response to the requirements for improving the emergency observation efficiency of multiple targets of in-orbit small synthetic aperture radar(SAR)satellites in key areas,a design method for the translational invariant mode based on small SAR satellites is proposed.First,the design method is introduced,and the range dimension and large angle scanning capability of loaded planar phased array antenna are designed.Then,in view of regional multiple targets,a conditional trigger target-decision strategy and an on-board radar working parameter calculation strategy are proposed.Finally,based on the task-decision strategy and the task-planning model established in this paper,the simulation analyses of multi-target observation efficiency evaluation are carried out in four working modes,respectively,i.e.,left view,side view,translational invariant,and left and right maneuvering side view.The results show that compared with the side view mode,the target observation efficiency of the translational invariant mode can be improved to 41%.Compared with the left and right maneuvering side view mode,the target observation efficiency of the translational invariant mode can be improved to 73%.Therefore,the translational invariant mode designed in this article can effectively improve the observation efficiency towards regional multiple targets.关键词
星载SAR/平飞模式/任务规划/多目标/效能提升Key words
spaceborne synthetic aperture radar(SAR)/translational invariant mode/task-planning/multiple targets/efficiency improvement分类
航空航天引用本文复制引用
范军,陈筠力,肖锋,黄欣,黄智,刘艳阳..轻小型SAR卫星平飞模式设计[J].上海航天（中英文）,2024,41(2):154-160,7.基金项目
国家重点研发计划(2021YFC3000405) （2021YFC3000405）
