ICS 49.020 CCS V70 卫星遥感产品星地验证规范 第6部分：后向散射系数 Specification for satellite -to-ground validation of satellite remote sensing products - Part 6：backscattering coefficient T/YH 1029.6—2024 中 国 宇 航 学 会 中 国 宇 航 学 会 标 准 化 分 会 2024－09－25 发布 发 布 团 体 标 准 2024－11－01实施 全国团体标准信息平台 T/YH 1029.6-2024 目次 前言 ................................ ................................ ................................ ................................ ................................ . I 引言 ................................ ................................ ................................ ................................ ................................ II 1 范围 ................................ ................................ ................................ ................................ ............................. 1 2 规范性引用文件 ................................ ................................ ................................ ................................ ......... 1 3 术语和定义 ................................ ................................ ................................ ................................ ................. 1 4 总体流程 ................................ ................................ ................................ ................................ ..................... 2 5 地面数据获取 ................................ ................................ ................................ ................................ ............. 3 5.1 地面设备要求 ................................ ................................ ................................ ................................ ......3 5.2 场地选择与设备布设 ................................ ................................ ................................ ........................... 4 5.3 同步测量设备调试 ................................ ................................ ................................ ............................... 4 5.4 地面数据记录要求 ................................ ................................ ................................ ............................... 4 6 星地数据匹配 ................................ ................................ ................................ ................................ ............. 5 6.1 检验产品选择 ................................ ................................ ................................ ................................ ......5 6.2 地面数据筛选 ................................ ................................ ................................ ................................ ......5 6.3 星地数据匹配方法 ................................ ................................ ................................ ............................... 5 7 产品检验评价 ................................ ................................ ................................ ................................ ............. 7 7.1 检验评价方法 ................................ ................................ ................................ ................................ ......7 7.2 不确定度 ................................ ................................ ................................ ................................ .............. 7 7.3 准确度 ................................ ................................ ................................ ................................ .................. 7 8 检验报告 ................................ ................................ ................................ ................................ ..................... 8 附录 A（资料性）地面数据记录表 ................................ ................................ ................................ .............. 9 附录 B（规范性）三面角反射器雷达截面积计算 ................................ ................................ .................... 11 附录 C（规范性）检验报告简表模板 ................................ ................................ ................................ ........ 12 参考文献 ................................ ................................ ................................ ..................