
全球首组成功入轨的商用中倾角InSAR遥感卫星升空
北京时间9月17日10时40分,中国在酒泉卫星发射中心使用快舟十一号遥三运载火箭,成功将天仪51、52星发射升空,卫星顺利进入预定轨道。这是全球首组成功入轨的商用中倾角InSAR遥感卫星。
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天仪51、52星是全球首组成功入轨的商用中倾角InSAR遥感卫星,由天仪空间研制。
中新社北京9月17日电 (记者 马帅莎)北京时间9月17日10时40分,中国在酒泉卫星发射中心使用快舟十一号遥三运载火箭,成功将天仪51、52星发射升空,卫星顺利进入预定轨道,发射任务取得圆满成功。
天仪51、52星是全球首组成功入轨的商用中倾角InSAR(干涉合成孔径雷达)遥感卫星。区别于传统太阳同步轨道InSAR卫星,本组卫星采用中倾角轨道设计,重点面向中低纬度区域开展高频重访监测,适配中国全域及共建“一带一路”国家监测需求。
据卫星研制方天仪空间介绍,本组卫星实现三项核心能力跃升。一是通过中倾角轨道实现高频重访,破解传统InSAR“重访慢”的行业痛点,可将目标区域干涉重访周期由当前的数天压缩至1天,后续多组卫星组网可进一步缩短至数小时;二是在中倾角观测体系下实现三维形变反演,破解传统InSAR对南北向形变“测不准”的共性难题;三是通过多视角协同成像消除城市高楼区域及高山深谷的观测盲区,破解传统InSAR“看不全”的行业痛点。
依托上述能力,卫星可服务于山区地质灾害监测、城市风险建筑识别、水电工程巡检、交通干线安全防护等领域,搭建“常规一日一测、应急随时响应”的监测体系,为各行业安全监测提供近实时天基观测支撑。
快舟十一号运载火箭由快舟航天空间科技有限公司研制,700公里太阳同步轨道运载能力1吨,具有飞行可靠性高、入轨精度高、准备周期短、保障需求少、发射成本低等特点。此次任务是快舟十一号运载火箭的第7次飞行。

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