1) dual-frequency observation
双频观测值
1.
The influence of Tgd factor is illuminated through the theory of establishing the VTEC model above pierce point by dual-frequency observation,its magnitude using practical datas is analyzed.
采用双频观测值建立穿刺点上的VTEC模型,说明了Tgd因素的影响,用实际数据分析了其影响。
2) double frequency observation
双频观测
3) dual-frequency measurement
双频测值
4) triple-frequency observation value
三频观测值
5) double difference observation
双差观测值
1.
The weight determination of the double difference observation in GPS carrier phase positioning;
GPS载波定位中双差观测值权的合理确定
6) double-difference combined observation
双差组合观测值
补充资料：大坝内部变形观测(见水工建筑物变形观测)
大坝内部变形观测(见水工建筑物变形观测)
daba neibubianxing guanCe大坝内部变形观测见水工建筑物变形观测。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条