datum point

Exploration for Variable Methods of Free Net Reference Datum Point

自由网参考基准变换方法的探讨

Study on the application of datum point to Mohr circle

Mohr圆基准点的应用研究

Research on Datum Point in Height Monitoring System and Sedimentation Observation on Baoshan Steel Works

宝钢高程监测系统及沉降观测基准点探讨

To pick out the datum point serving as noise ;

取出被作为噪声的数据点；

The differential formulas of the adjustment results errors caused by spatial datum point positioning error

GPS网空间基准点定位误差引起的平差成果误差的微分公式

A virtual face and a datum point which embody basic semantics requirements are two low level objects .

通过对问题域最基本需求的抽象，提出了两个反映基本需求的对象：虚面、基准点。

A Study on the Datum Point for Evaluation of Machining Errors of a Digitized Gear-Tooth Surface

数字化齿面加工误差评定基准研究

Selection and Examination of the Plane Datum Point of GPS Ecological Monitoring Net of Soil and Water Conservation in Shangrao Mountainous Region

上饶市山区水土保持GPS生态监测网平面基准点的选择与检验

The influencing factors of piling-up loading method include : datum point , negative skin friction , additive skin friction , and compaction .

堆载加载法中影响试桩承载性状的因素主要包括：堆载对基准点的影响；负摩阻力的影响；附加摩阻力的影响；土体压密的影响。

The sole nature of datum point to stress analysis graphic method is analyzed , and the application of datum point to Mohr circle is further investigated .

对应力分析图解法的基准点唯一性进行了分析，进一步研究了Mohr圆基准点的应用。

The cause and rule of deformation of datum point are analysized by data of repetition . Finally , some useful conclusions and suggestions are also given .

根据复测数据分析了基准点的变形原因和规律，得出了一些有益的结论和建议。

The results showed that logical starting point of land property rights reform in rural China was efficiency first , which also was the datum point of structure change of farmland property rights in China .

研究结果表明，效率优先是中国农村土地产权制度改革的逻辑起点，这也构成中国农地产权结构变迁的基准点。

A method of fuzzy modeling based on fuzzy clustering and Kalman filter is proposed and fuzzy clustering produces membership values for each datum point . In the paper , the fuzzy likelihood function is utilized to cluster sample data .

提出一种基于模糊聚类和卡尔曼滤波方法的模糊辨识方法。该方法是基于模糊聚类，计算给定样本在各类中的隶属度。提出一种基于模糊似然函数的模糊辨识方法。

In this paper , a simple method and procedure is given by which cone radius , journal angle , diameter and leg datum point size of a rock bit can be calculated respectively according to geometric relations of rock bit structure parameters .

本文给出一种根据牙轮钻头结构参数间的几何关系分别计算牙轮半径，牙爪轴倾角，牙掌基准尺寸，牙轮背锥角和钻头直径的方法及程序。

In the system application , we place the target calibration board in the position which should be monitored ( for the tunnel project , people usually choice tunnel crown as the position ), and place the reference calibration board in the datum point .

在系统应用中，将目标标定板安置在需要监测的位置处（对于隧道工程来说，通常为拱顶位置），并在基准点处安置参考标定板。

In modern satellite communications system , the technique that combines power detection and AGC technique based on datum voltage point can usually be used to keep the signal transmission power at the transmitter .

现代卫星通信系统中，为了维持发送的信号强度，在发射端通常都采用将功率监测和基于基准电压设定点的自动增益控制（AGC）技术结合起来的技术。

Establishment on the Vertical Datum of Single Point Dynamic in China

我国单点动态垂直基准的建立

This paper discusses the vertical datum of single point dynamic and questions concerned of its establishment . The Discussion of Voltage Reference and it 's Application

在讨论均衡基准特点的同时，指出了其在研究我国大陆现今地壳垂直运动中可能带来的不适用性，从而提出了单点动态垂直基准。电压基准

Regional anomaly datum in a point is estimated according to the data in some information points around some point . The estimation of regional anomaly is obtained under the conditions of linear , unbiased and minimum variance of estimation .

根据某点周围若干个信息点上的重（磁）观测数据估计出该点处的区域异常值，而且这种估计是在满足线性、无偏、最小估计方差条件下求得的。

Datum Analysis in Measuring Point Way to Architecture Perspective Drawing

建筑透视图量点法的数据分析

The traditional hydrographic model is that plane position is determined by GPS , and depth is observed by echo sounding system , under the condition of possession of tide observation datum , the height point under water can be gotten .

传统的水下地形测量模式定型于利用GPS测定水底点的平面位置，利用测深仪测定水底点的深度，附之以瞬时潮位资料，获得点位的高程。

Gravity datum is selected for datum network to analyse the stability of the datum point using mean spacing method .

基准网选取重心基准，采用秩亏自由网平差方法，并依据平均间隙法对基准点进行了稳定性分析。