查询词典 accuracy

The geometry strategy of POD using carrier phase epoch-wise differency and P code is studied by the simulated data in order to achieve the decimeter accuracy level. The accessment method of POD results is also discussed. The contributions of this paper are as follows. Firstly, with the analysis of the CHAMP data, the space environment of LEOs and its influence is discussed.

本文主要工作如下：首先，结合CHAMP卫星实例数据，分析了低轨卫星所处的空间环境对GPS信号的影响，研究了6PS卫星星座和LEO卫星星座的摄动运动问题和星载GPS观测误差模型问题，建立了低轨卫星GPS测量信号仿真平台。

According to compare the results with decision tree, support vector machine, and RBF neural network, the neural network classifier with dynamic threshold has better forecasting accuracy, stability and generalization ability.

通过与决策树、支持向量机、RBF网络等方法的比较结果表明，基于动态闽值的神经网络分类器具有更好的预测精度、稳定性以及泛化能力。

In addition to the stability and accuracy of satellite orbital data triggered decoherence is one of the reasons.

另外卫星的轨道数据的稳定性和准确性也是引发退相干的原因之一。

This paper overviews the various algorithms for least square collocation, discusses the matrix QR decomposition, derives the relationship between QR decomposition and generalized inverse matrix, and obtains least square inverse used for calculating matrix. In addition, the estimation formula for least square collocation by QR decomposition and its accuracy formula are derived. A case study is conducted using gravity anomaly test and calculation to demonstrate that the QR method is correct and valid in least-square collocation calculation.

分析了目前采用的最小二乘配置法解算方法，在讨论了矩阵的QR分解方法的基础上，推导得出了矩阵QR分解与广义逆矩阵的关系，得出了可以直接利用QR分解求解矩阵的最小二乘逆，并推导了应用QR分解求解最小二乘配置的估值计算公式和精度估算公式，最后通过重力异常实例进行了计算，得出矩阵的QR分解用于最小二乘配置解算的正确性和可行性。

One disadvantage of the fast growth of digital resources in digital libraries is the decrease of retrieval speed and result accuracy.

1背景随着数字图书馆理念和技术的不断发展，很多图书馆所拥有的数字资源与日俱增。

To increase the control accuracy of the system and to decrease the response time of the system.

给出了这种快速高精度温度控制系统的结构及其实现方法，并根据任务的需要，对已有的预测控制算法进行了改进。

The experiments showed that this algorithm could improve accuracy of recognition in the case of not decreasing the speed.

实验结果表明，该算法能够在不影响识别速率的前提下，有效的提高识别准确度。

IV.Personal Diathesis:- Good appetency to the students, like working with children, and great desire to dedicate oneself to English teaching;- To work efficiently and with strong responsibility;- Always be willing to self-improve and accumulate,in order to insure the accuracy and the authority of professional knowledge.

学习能力：积极完善自身的专业知识，注重学习和积累，确保专业知识的精确度和权威性。

Seismic formation velocity is one of important parameters for formation pressure prediction ,its precision affect the accuracy of the pressure prediction defectively.

由于地震层速度是地层压力预测的重要参数，其精度直接影响着压力预测的精度，利用测井约束下的波阻抗反演方法将测井、地震和地质解释成果结合获取较高精度的地震层速度，达到提高地层压力预测精度的目的。

Seismic formation velocity is one of important parameters for formation pressure prediction,its precision affect the accuracy of the pressure prediction defectively.

在钻井工程方面，地层孔隙压力是合理设计套管程序的基础参数，是合理选择钻井液密度、实现高效近平衡或欠平衡压力钻井的关键和依据[1-6]。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。