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Back四项GNSS掩星探测国家标准国家标准获批发布
四项GNSS掩星探测国家标准国家标准获批发布
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中国新闻网8 minutes agoTech2 min readChina

四项GNSS掩星探测国家标准国家标准获批发布

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市场监管总局批准发布《GNSS掩星探测载荷技术条件》《GNSS掩星探测数据质量检验要求》《GNSS掩星数据产品类型及分级》《GNSS掩星探测数据格式》四项推荐性国家标准,由中国气象局组织研制,覆盖从硬件载荷到数据应用的全技术链条,为卫星遥感技术统一技术规范。

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Why It Matters

全球导航卫星系统(GNSS)掩星探测技术通过接收GNSS卫星无线电信号反演获取大气参数,需统一技术标准以保障数据一致性和跨部门应用。

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本报北京9月10日电 记者李春剑从市场监管总局(国家标准委)获悉,近日,《GNSS掩星探测载荷技术条件》《GNSS掩星探测数据质量检验要求》《GNSS掩星数据产品类型及分级》《GNSS掩星探测数据格式》四项推荐性国家标准批准发布。该系列标准由中国气象局组织研制,覆盖掩星探测从硬件载荷到数据应用的全技术链条,为该项卫星遥感技术从硬件制造到数据应用各环节建立起统一的技术规范。

全球导航卫星系统(GNSS)掩星探测,就是通过GNSS掩星探测设备接收GNSS卫星发射的无线电信号,反演获取地球大气温度、湿度、压强及电离层电子密度等参数的过程,如同给地球大气做“CT扫描”。此次发布的四项标准各有侧重、衔接配套,构建起完整的技术标准体系。

具体来看,《GNSS掩星探测载荷技术条件》规范天基探测载荷的结构功能、性能指标、环境适应性及测试方法,从硬件源头统一技术要求,支撑载荷设计、生产与验收。《GNSS掩星探测数据质量检验要求》针对电离层电子密度、大气温湿压等六类核心反演产品,明确量化检验指标与校验方法,统一质量评判标尺,保障多源产品精度一致性。《GNSS掩星数据产品类型及分级》按处理深度将数据划分为0级至3级四个等级,明确各类产品定义与分类规则,统一产品口径,便利数据管理与共享应用。《GNSS掩星探测数据格式》规范各级数据的文件格式与命名规则,统一数据交互接口,为国内跨部门数据共享和国际掩星数据交换奠定基础。

市场监管总局(国家标准委)相关负责人表示,将会同中国气象局,全力推动掩星系列标准在制造、水利、航空、航海、农业、交通、国防领域应用。

(光明日报)

Open Questions

  • 这些标准何时开始在制造、水利等领域具体实施?
  • 是否有配套的培训或推广计划?
  • 国际掩星数据交换中,这些标准与现有国际标准的兼容性如何?

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This article was originally published by 中国新闻网.

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