single difference phase observation 单差相位观测
triple difference phase observation 三差相位观测 ; 三差相位查看
double difference phase observation 双差相位观测
gps phase observation gps载波相位观测值
phase observation data 相位观测值
virtual phase observation 虚拟相位观测值
carrier phase observation 载波相位观测
Three kinds of models of carrier phase observation value linear combination are deduced such as wide lane, narrow lane and free ionosphere.
推导了三种载波相位观测量线性组合的模型：宽巷组合、窄巷组合和无电离层延迟的组合。
When realizing kinetic GPS differenced positioning using single frequency GPS receiver, the decision of integer ambiguity of phase observation is rather difficult.
利用单频GPS接收机进行实时动态差分时，相位观测值整周模糊度的实时确定比较困难；
The dual-frequency carrier phase observation equation is built and ionosphere-free predigested, the estimate formula of zenith wet delay is deduced with least square method.
建立了双频载波相位观测模型，并将其进行无电离层延迟化简，用最小二乘原理推导了天顶湿延迟的估值公式。
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