查询词典 discretization error

The features of involute gear profile are mapping analyzed, the principle and method of on machine measuring the longitudinal form error of bull gear s with the rack probe is introduced, the data evaluation model of longitudinal form error is established, and a measuring example is given.

对渐开线齿轮廓面特性进行了映射分析，介绍了齿条刃边测头在机测量大型齿轮齿向误差的基本原理及测量方案，建立了齿向误差的数据评定模型，并给出了测量实

The absolute error of the depth of geothermal reservoir is between 23 m and 50 m, and the relative error of interface of cap rock is less than 6.3%.

在对深部热水储层和盖层岩性界面进行地质解释后，得到热储层赋存深度的绝对误差为23-50 m，盖层岩性界面的相对误差小于6.3%。

The receiver clock error models and satellite clock error models are induced from the real data analysis.

此外，还讨论了由于GPS信号散射角、地球遮挡等产生的几何可见性问题。

A new adaptive clock error model was put forward in order to determine the GPS error state model in GPS/ INS tightly integrated system.

针对GPS/INS深组合系统中GPS接收机误差状态模型难以确定的问题，文中提出了一种自适应的时钟误差模型。

For this reason, by means of leading in the concept of device clock error, the authors propose a new data synchronization method based on device clock error.

为此，文章通过引入装置时钟差的概念，提出了一种基于时钟差的数据同步方法，该方法以乒乓对时为基础、参考向量法对时作辅助，解决了自愈环网双向通道路由不一致时数据的同步问题，具有很好的实用价值。

It analyzes the influence of the time-frequency properties of atom clock on time-keeping error by quantity, and estimates the error of related physical measure caused by the time-keeping properties of atom time-frequency criterion-time resolution.

定量分析了原子钟的时间频率特性产生的守时时差，估算了原子时频标准的守时时差对有关物理量测量所产生的影响。

The precise satellites clock error estimation algorithm of navigation satellites is studied in this paper. The computation of precise satellites clock error based on the non-difference phase is realized and the results are compared with the products provided by IGS analysis centers.

研究了导航卫星精密钟差的估计算法，编程实现了基于非差载波相位的精密卫星钟差的解算，并同IGS若干分析中心提供的精密钟差产品进行了比较。

A clock at the level of micro second has beendeveloped by using the microcomputer's clock pulse signal. With this high precision clock, the error of measuring twisting moment can be less than 1％ and the error of measuring rotation velocity less than 1‰.

利用微机的时钟脉冲研制出一种精度达微秒级的时钟，用此时钟测量扭矩的误差小于1％，测量的转速误差小于1‰。

The experimental result indicats the all status error about magnetic heading measure is corrected less than 1 degree from 20 degree by automatism compass error compensatory method,this has gained the satisfactory effect in engineering adduction.

实验结果表明，采用自动罗差补偿方法，可将全姿态磁航向的测量误差在20°情况下修正到1°以内，在工程引用中得到了满意的效果。

The estimation of forming part"s sideline The estimation of forming part"s sideline is significant in weld and assembly process, the paper puts forth two kinds of method to realize quantitative analysis for the deformed sideline, one is using line contour error to estimate deformed sideline combined with GA and taking the value of line contour error as target to check whether it is in the range of precision; The other is comparing curvature and torsion of design model with curvature and torsion of deformed model to check the sidelines precision.

冲压件边线变形的评价。冲压件的边线变形的评价在焊装工艺中有着重要意义，本文提出两种方法来实现冲压件边线的变形评价：一是借鉴线轮廓度评定的方法，结合遗传算法计算出边线的线轮廓度，并以线轮廓度值作为边线是否满足要求的评价指标：二是通过比较变形前后曲线的曲率和挠率来评价边线的变形情况。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。