全球导航卫星系统（GNSS）测量规范 Specifications for survey and measurement of global navigation satellite system  ICS  07.040 CCS  A 76   中华人民共和国国家标准 GB/T 18314—2024 代替 GB/T 18314—2009 2024-08-2 3发布 2025-03-0 1实施     国家市场监督管理总局 国家标准化管理委员会 发 布 目　　次 前言   ·····································································································   Ⅲ 1     范围   ··································································································   1 2     规范性引用文件   ······················································································   1 3     术语和定义   ···························································································   1 4     基本要求   ······························································································   2 5     级别划分和测量精度   ·················································································   3      5.1     级别划分   ·························································································   3      5.2     用途   ······························································································   3      5.3     测量精度   ·························································································   3 6     GNSS网布设   ·························································································   4      6.1     布设基本要求   ····················································································   4      6.2     设计要求   ·························································································   4      6.3     GNSS点命名   ····················································································   5      6.4     技术设计   ·························································································   5 7     选点   ··································································································   5      7.1     选点准备   ·························································································   5      7.2     点位基本要求   ····················································································   5      7.3     辅助点与方位点   ·················································································   6      7.4     选点作业   ·························································································   6      7.5     选点后上交的资料   ···············································································   6 8     埋石   ··································································································   6      8.1     标石   ······························································································   6      8.2     埋石作业   ·························································································   6      8.3     标石外部整饰   ····················································································   7      8.4     关键工序的控制   ·················································································   7      8.5     埋石后上交的资料   ···············································································   7 9     仪器   ··································································································   7      9.1     接收机选用   ······················································································   7      9.2     仪器检验   ·························································································   8      9.3     仪器维护   ·························································································   8 10     观测   ·································································································   8      10.1     基本技术要求   ···················································································   8      10.2     观测区的划分   ···················································································   9      10.3     观测计划   ··········································