作为我国首个面向低纬区域的遥感星座,“五羊星座”先导A星近日奔赴发射场。
由广州大学牵头研制的“五羊星座”先导A星(广大一号)已整装出征奔赴发射场。该星座采用低倾角轨道方案,将构建我国首个面向低纬区域、具备高分宽幅与全谱段能力的智能化空天信息服务体系。
AI-generated summary
“五羊星座”是由广州市政府、国家信息中心和广州大学共同推进的低倾角非太阳同步遥感星座,旨在解决低纬度地带高频遥感数据供给不足的困境。
中新网广州9月17日电 (记者 许青青)广州大学17日介绍,由该校牵头研制的“五羊星座”先导A星(广大一号)近日已经整装出征,奔赴发射场。
据介绍,“五羊星座”是由广州市政府、国家信息中心和广州大学共同推进的低倾角非太阳同步遥感星座。作为“五羊星座”的先导星,该星采用低倾角轨道方案,突破传统极轨卫星的观测局限,开启我国低纬度区域高频遥感观测的全新实践,也标志着我国商业航天跳出极轨路径依赖、迈入自主定义低纬观测的新阶段。
“五羊星座”先导A星(广大一号)出征仪式现场。广州大学供图
据了解,在全球范围内,主流遥感星座长期以极轨方式运行。在粤港澳大湾区、我国南部,以及东南亚、非洲、南美等低纬度地带,人口稠密、经济活跃,却长期面临高频遥感数据供给不足的困境。“五羊星座”锚定南北纬35—40度这一全球经济活跃的低纬带,致力构建我国首个面向低纬区域、具备高分宽幅与全谱段能力的智能化空天信息服务体系。
广州大学空天遥感创新研究院院长、五羊星座工程总师顾行发介绍,全球半数以上人口与主要经济体集聚于南北纬35度之间,而传统太阳同步轨道卫星在此带重访频次不足;五羊星座以低倾角轨道实现突破,组网后将覆盖我国南部15省市,辐射东南亚、非洲、南美等低纬度区域99个国家,支撑资源监测、农业生产、海洋观测、生态保护、应急减灾、城市治理等多样场景。
按整体规划,“五羊星座”由3颗先导星与25颗业务卫星组成。此次出征的先导A星“广大一号”肩负整个星座的探路使命,将一次性验证轨道适配、多载荷成像、电推进在轨调度、星地链路及地面数据处理等全链条技术。以先导A星为起点,各方将依托在轨实测数据稳步推动后续业务星组网。
顾行发表示,广州大学将以“广大一号”为依托,打造开放共享的“天上实验室”,支撑高层次人才培养与原创性科研攻关,实现“一星牵引、多科共进”。(完)
AI outlook — possibilities, not facts
后续将依托先导A星在轨实测数据稳步推动业务星组网
Very likely · Within months

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