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浮动基准
相关语句
  floating datum
     GENERATIVE FEATURE BASED DESIGN BASED ON FLOATING DATUM SYSTEM
     基于浮动基准体系的生成型特征设计
短句来源
     This paper introduces the paving technique of each layer and the use of full automatic leveling apparatus and the floating datum beam in expressway construction,analyzes matters heeding attention in each layer paving, the importance of equipxnent forming complete sets,and how to enhance level degree of expressway pavement in embankment,subbase and base layer.
     介绍高速公路各层路面的摊铺技术,全自动找平装置和浮动基准梁的应用,分析各层施工技术的注意事项,设备配套的重要意义及如何在路基、底基层和基层施工中,提高高速公路路面的平整度。
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  “浮动基准”译为未确定词的双语例句
     This thesis aims at setting up light migrating models in skin, analyzing the influence of difference between individuals on selecting the proper source-detector separation, through investigating tissue optics problems relating to glucose sensing. As the final goal of this thesis, floating-reference method, which is expected to realize maximal sensitivity of glucose and depress the negative effect of internal noise, was derived and verified.
     本论文旨在通过研究血糖浓度测量的组织光学的基础问题,建立起光在皮肤模型中的传输模型,并分析个体差异对于测量位置选择的影响,最后推导并证明一种既能实现血糖浓度灵敏度最大化又能有效克服内部噪声影响的浮动基准方法。
短句来源
     The construction quality of subgrade, sub-base, base course and binder course affects directly the pavement eveness, the general situation of adding auto-levelling system on grader and the application of auto-leveling device on pavers are introduced in this paper, other factors affecting on the eveness and measures are also analysed.
     指出了高等级公路路基、底基层、基层和联结层施工质量的控制是影响面层平整度的直接因素,重点介绍了国产平地机加装自动找平控制系统的工作概况以及摊铺机全自动找平装置和浮动基准梁的应用,并从实践出发,分析了其他因素对平整度的影响及相应的处理措施。
短句来源
     Through function expansion and technique improvement of gun control system of combat vehicle, floating benchmark coordinate axis is used for system design based on the analysis of characteristic of each function error. It is possible to synthesize mult functions with only one "digital controller"added. Hence system structure is simplified and system cost reduced.
     通过战车炮控系统功能扩充与技术改造,在分析各个功能误差特性的基础上,采用浮动基准坐标轴的系统设计,只用增加一个“数字控制器”,就可实现多项功能的综合,从而简化了系统的结构,降低了系统的成本。
短句来源
  相似匹配句对
     Non-rigid Base Line Floating Workpiece width Measuring on Line
     非刚性基准浮动工件宽度的在线测量
短句来源
     The concept of absolute and floating reference s is proposed in this paper.
     本文提出了绝对基准浮动基准的概念。
短句来源
     The Discussion of Voltage Reference and it's Application
     电压基准
短句来源
     length standard;
     长度基准
短句来源
     A Study of Floating Charge
     论浮动抵押
短句来源
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  floating datum
The study and analysis of floating datum selection for rugged terrain
      


The most popular and accurate method in flatness measurement of surface plate is based on measuring the straightness of a family of lines by an autocollimator or a laser interferometer in the direction perpendicular to the surface plate. The flatness of the surface plate is calculated from these straightness data. How to select this family of lines is an important problem in flatness measurement. The concept of absolute and floating reference s is proposed in this paper. It is proved theoretically for methods...

The most popular and accurate method in flatness measurement of surface plate is based on measuring the straightness of a family of lines by an autocollimator or a laser interferometer in the direction perpendicular to the surface plate. The flatness of the surface plate is calculated from these straightness data. How to select this family of lines is an important problem in flatness measurement. The concept of absolute and floating reference s is proposed in this paper. It is proved theoretically for methods with floating reference, such as methods with autocollimators and laser interferometers, these principles are: (1) Degrees of freedom of the pattern must be less than or equal to three, (2) All lines to be measured have at least three different directions, (3) Two diagonals are the best lines for determining the profile of surface; (4) Four perimeter lines and two diagonals are the basic lines in flatness measurement of the surface plate.

在平板的平面度测量中,最常用的、精度最高的方法,是利用光电准直光管或激光干涉仪测量一族直线在与平板垂直方向的直线度,然后根据直线度数据来确定平板的平面度。如何选择这一族直线是平面度测量中的一个重要问题。本文提出了绝对基准与浮动基准的概念。对于采用浮动基准的方法,例如准直光管法和激光干涉仪法,从理论上阐明了选线原则为:(1)线族的总自由度必须小于或等于三;(2)至少必须测量三种不同方向的线;(3)二条对角线是确定平面轮廓的最佳线;(4)平板平面度测量中应取四条周线与二条对角线为基本测量线。

Usual static correction methods based on refraction wave,including the generalized reciprocal method, delay time method and ABC method, need correct firstbreak times of refraction waves and trace same high-velocity refractor. Hence,I advance a new method, relative static correction using refraction wave. The newmethod needs no first break times of refraction waves,but derives adjacent receiving-point relative time shifts from crosscorrelation of adjacent-trace refraction wavegroups. Then the mean value obtained...

Usual static correction methods based on refraction wave,including the generalized reciprocal method, delay time method and ABC method, need correct firstbreak times of refraction waves and trace same high-velocity refractor. Hence,I advance a new method, relative static correction using refraction wave. The newmethod needs no first break times of refraction waves,but derives adjacent receiving-point relative time shifts from crosscorrelation of adjacent-trace refraction wavegroups. Then the mean value obtained through mid value filtering is taken as timeshift between two adjacent receiving points. Finally,we compute both the residualcorrection values relating to the relative floating datum and the correction valuescorresponding to the control-point datum.The application examples show that the new method can nicely cope with staticcorrection in the area where surface and geological conditions are very complicatedbecause it is characterized by good adaptability and high automation.

以往基于折射波的各种静校正方法(如广义互逆法、延迟时法、ABC法等)均要求有准确的折射波初至时间,且需要追踪同一高速折射层。为此,本文提出一种折射波法相对静校正方法。该法不需要拾取折射波初至时间,而是利用折射波组相邻道互相关求取各检波点的相对时差,再以中值滤波方法选取中值,作为两检波点的时差。然后,求取相对浮动基准面的剩余校正量和以控制点为基础的基准面校正量。文中应用实例表明,该方法适应性强,自动化程度高,可解决地表地质条件复杂地区的静校正问题。

The present paper deals with the errors existent in routine datum plane statics under the condition of complex topography as well as the cause for the errors. The author puts forward a new field statics method-floating datum plane statics, which can completely eliminate the errors existent in the routine datum plane statics method and improve the quality of the seismic time profile as well as its interpretation precision.

本文从理论上论述了复杂地形条件下常规基准面静校正和存在的误差以及存在误差的主要原因。提出了一种新野外静校正方法──浮动基准面静校正,完全消除了常规基准面静校正方法所存在的误差,提高了地震时间剖面的质量和解释精度。

 
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