介面测量合成孔径雷达技术和系统的进步以及中国SAR任务的最新进展
Qingjun Zhang1, Huangjiang Fan1, Yuxiao Qin2
1Institute of Remote Sensing Satellite, China Academy of Space Technology, Beijing 100094, China.
Sensors (Basel, Switzerland)
|August 14, 2025
概括
合成孔径雷达 (SAR) 遥感,特别是干扰测量雷达 (InSAR),正在转向应用驱动的开发. 最近中国在SAR卫星方面的进步正在增强InSAR精确地面观测和灾害管理的能力.
科学领域:
- 地球和太空科学 地球和太空科学
- 遥感技术 遥感技术 遥感技术
- 地质物理学 地质物理学
背景情况:
- 合成孔径雷达 (SAR) 遥感正在从以技术为中心向应用驱动的方向发展.
- 干涉测量SAR (InSAR) 自20世纪60年代以来有着悠久的发展历史.
- 在SAR中,应用范围包括地形测绘,地面变形监测,海洋观测和减灾.
研究的目的:
- 将InSAR技术分为重复通道和单通道干扰.
- 为突出中国SAR卫星技术近期的进步.
- 讨论这些进步对太空InSAR系统及其应用的影响.
主要方法:
- 将InSAR分为重复通道 (D-InSAR,PS-InSAR,SBAS-InSAR) 和单通道 (CT-InSAR,AT-InSAR) 的干扰.
- 审查中国SAR卫星技术的最新发展.
- 分析太空中的InSAR系统 (频率,轨道,平台) 的演变.
主要成果:
- 在SAR中,技术越来越受到应用需求的驱动.
- 中国在开发具有干扰测量能力的SAR卫星方面取得了重大进展.
- 太空中的InSAR系统正在向多频,更高轨道和多平台配置发展.
结论:
- 最近的进展使得高精度,高时间分辨率的陆地观测成为可能.
- 这些发展正在扩大InSAR在灾害预警,生态监测和基础设施安全方面的应用.
- 转向应用需求驱动的InSAR意味着一个成熟的领域,具有广泛的社会利益.
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