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chill_notes/GNSS/基础知识/什么是GPS最简独立闭合环.md
2026-04-16 00:28:41 +08:00

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==三台由独立观测获得基线向量构成的闭合环。==
==GPS控制网一般也构成一定的图形涉及如下的概念==
==1、观测时段测站上开始接收卫星信号到观测停止连续工作的时间段简称时段。==
==2、同步观测两台或两台以上接收机同时对同一组卫星进行的观测。==
==3、同步观测环三台或三台以上接收机同步观测获得基线向量构成的闭合环简称同步环。==
==4、独立观测环由独立观测获得基线向量构成的闭合环简称独立环。==
==5、====异步====观测环:在构成多边形环路的所有基线向量中,只要有非同步观测的基线向量,则称该多边形环路为====异步====观测环,简称====异步====环。==
> 来自 <[https://zhidao.baidu.com/question/182755838.html](https://zhidao.baidu.com/question/182755838.html)>