1) difference of the observing and measuring cycle
观测周期差
2) observation period
观测周期
1.
According to the problems in deformation observation of buildings, the author makes an analysis in three aspects: precision decision,observation period and point location for deformation observation,and puts forward some opinions.
该文针对工程建筑物变形观测中的若干问题 ,从变形量测定精度的确定、变形观测周期的选取以及变形观测点的布设三个方面进行了分析与探讨。
3) variance-of-period-slope detector(VPSD)
周期斜率方差检测器
4) macro-cycle
宏观周期
5) cycle error
周期误差
1.
In this paper, causes for the change of early phase of cycle error with photoelectric ranger are analyzed.
分析了测距仪周期误差初相角变化的原因，提出了周期误差理论的新思路，指出了周期误差处理中应注意的问题。
2.
In this paper,the quality of cycle error and error for unshapely phase with photoelectric ranger are discussed.
论述了测距仪周期误差及相位不均匀性误差的性质，分析了这些误差对距离测量的影响，给出了实验结果，提出了改进有关误差检定的建
6) the periodic error
周期误差
1.
This is the first cause that the initial phase difference is large when the periodic errors are determined twice with the same instrument.
光波测距仪检验工作中的周期误差是三项主要的系统误差之一,周期误差中初相角的精度不仅与测试方法和仪器精度有关,而且与周期误差自身的参数振幅有关,因而使仪器的初相角不宜测准。
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