分布式InSAR卫星系统编队指标体系研究

doi:10.11947/j.AGCS.2022.20210375

测绘学报 ›› 2022, Vol. 51 ›› Issue (12): 2433-2439.doi: 10.11947/j.AGCS.2022.20210375

• 天绘二号卫星系列专栏 • 上一篇下一篇

分布式InSAR卫星系统编队指标体系研究

陈力¹, 张德新², 陈筠力³, 邵晓巍²

1. 北京跟踪与通信技术研究所, 北京 100094;
2. 上海交通大学, 上海 200240;
3. 上海卫星工程研究所, 上海 201109

收稿日期:2021-07-10 修回日期:2022-03-16 发布日期:2023-01-12
通讯作者: 邵晓巍 E-mail:xw.shao@sjtu.edu.cn
作者简介:陈力(1963-),女,博士,研究员,研究方向为大地测量、航天工程。E-mail:chenli_2015_china@163.com

Index system study on distributed InSAR formation system

CHEN Li¹, ZHANG Dexin², CHEN Junli³, SHAO Xiaowei²

1. Beijing Institute of Tracking and Telecommunications Technology, Beijing 100094, China;
2. Shanghai Jiao Tong University, Shanghai 200240, China;
3. Shanghai Institution of Satellite Engineering, Shanghai 201109, China

Received:2021-07-10 Revised:2022-03-16 Published:2023-01-12

摘要/Abstract

摘要： 天绘二号是我国首个近距离双星编队分布式InSAR卫星系统,它的出现使我国具备了全球数字表面模型和雷达正射影像获取能力。针对全球高程数据(1∶50000)快速获取的需求,本文以天绘二号为背景,基于一体化设计理念,提出一种分布式InSAR卫星系统编队设计、控制和规划技术指标体系论证方法。本文方法在充分考虑分布式InSAR卫星编队技术指标对系统应用性能耦合影响的基础上,建立了满足图像旁向重叠度、干涉成像基线和对地观测效能3类应用需求的编队技术指标论证模型。本文方法将编队理论融入工程实践,可实现快捷、高效的分布式SAR卫星编队系统设计目标,支撑型号装备研制与地面运管系统开发。天绘二号在轨运行结果表明,卫星编队技术指标论证结果合理可行,各项性能指标分配准确。

关键词: 分布式InSAR卫星系统, 卫星编队, 技术耦合, 天绘二号

Abstract: TH-2 is the first close-range dual-satellite formation distributed InSAR satellite system in China, which enables China to establish global digital surface model and radar orthophoto acquisition capability. Addressing the need for rapid access to global elevation data (1∶50000), this paper investigates the index system for satellite formation design, control and planning based on an integrated design concept in the context of the TH-2. This method establishes a demonstration model of formation technical index for three types of application requirements: image bypass overlap, interferometric imaging baseline and earth observation effectiveness, based on the full consideration of the coupling effect of technical index on system application performance. The proposed method integrates formation theory into engineering practice, which can achieve the goal of fast and efficient distributed SAR satellite formation system design and support the development of model equipment and ground operation and management system. The in-orbit results of TH-2 show that the proposed method is reasonable and feasible, and the performance indicators are accurately assigned.

Key words: satellites system of distributed InSAR, satellite formation, technical coupling, TH-2

中图分类号:

P228.6

陈力, 张德新, 陈筠力, 邵晓巍. 分布式InSAR卫星系统编队指标体系研究[J]. 测绘学报, 2022, 51(12): 2433-2439.

CHEN Li, ZHANG Dexin, CHEN Junli, SHAO Xiaowei. Index system study on distributed InSAR formation system[J]. Acta Geodaetica et Cartographica Sinica, 2022, 51(12): 2433-2439.

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分布式InSAR卫星系统编队指标体系研究

Index system study on distributed InSAR formation system

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