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新募投卫星地面终端波束自适应通信天线技术研
2022-04-20 21:37

  为进步募集资金运用效率,维护股东权益,公司综合思索市场需求与开展方案,拟对该募投项目停止调整,将原拟用于“收买深圳市光为光通讯科技有限公司少数股东股权项目”募集资金3,895.39万元(含利息)全部用于施行新募投“卫星空中终端波束自顺应通讯天线技术研讨”项目。

  

  项目背景引见

  

  在国务院印发的“十四五”国度应急体系规划中,卫星互联网被明白列入“新基建”范畴,以完成应急通讯卫星资源的统一调度和综合应用,可处理世界约35亿人未接入互联网效劳、超80%天文空间未完成互联网掩盖、全球互联网浸透率迟缓等难题。

  

  卫星互联网分为高轨和低轨两类。与高轨卫星相比,低轨卫星因具备近空中、广掩盖、低时延、宽带化、低本钱等特性备受全球各大航空航天、互联网、通讯行业巨头喜爱。

  

  但由于低轨卫星相关于地表的挪动速度超越5700 m/s,一颗卫星的可视时间约10 min,而用户在一个波束的驻留时间可能只要1 min,因而发作波束切换和星间切换的频度较高,其挪动性管理与控制更为复杂,在空中接纳终端,采用扫描频率更快的波束自顺应天线是完成低轨卫星通讯的一个必然选项。

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