It analyses the importance of the lofting of tunnel excavation contour line,represents and compares the five inch station method and coordinate method that common used in construction lofting.
分析了隧道开挖轮廓线放样的重要性,就施工放样中常用的五寸台法和坐标法进行了阐述和对比,结合具体工程实例,研究了两种放样方法的适用情况,以帮助隧道施工人员选择适合现场工程特征的快速简便的放样方法。
Research methods:Surveying the existing railway by coordinate method,the core of the new technique are basing on humanity and safety,as well as cutting down the counts of surveyors.
研究方法:用坐标法测量既有线。
For measuring the central position of circular object with the total - station device or the mekometer, this paper presents two kinds of methods, namely, coordinate method and direction - distance one, and derives their calculating formulas.
针对圆形物体中心位置的精确测定，提出了基于全站仪或光电测距仪的两种方法：坐标法和方向距离法。
Comparing and analyzing the Connotation of vector method and coordinates method,we found that these two methods unify relation-mapping-inversion method and manifest idea of combining figure with shape.
向量法和坐标法是解析几何研究的基本方法,掌握这两种方法是学好解析几何的关键。
A new approach for measuring the teeth space deviations of involute circular gears on a CMM with coordinates method was introduced.
提出一种在三坐标测量机上利用坐标法测量渐开线圆柱齿轮齿距偏差的新方法,分析了该方法的测量原理,并通过检测实例对该方法的有效性进行了验证。
A method of measuring contrate involute errors of double gears, gear shapers and gear shavers on the CZ450 gear integrated error tester using the polar coordinate method is introduced.
介绍了在CZ45 0齿轮整体误差测量仪上利用极坐标法测量双联齿轮、插齿刀和剃齿刀的端面渐开线齿形的方法 ,从而扩展了CZ45 0的测量功能。
A polar coordinate method for determining all the points on the sectional line in the expansien figure of curved surface,is presented in the paper.
本文提出在曲面体表面的展开图中确定截交线上各点位置的极坐标法,从而克服了直角坐标法中实际放线时由于画垂直线或平行线而产生人为的偏差,而且便于在现场实施。
It also discussed how to implement road construction survey and staking-out using polar coordinate method.
并对如何利用极坐标法进行道路施工测量放样作了论述。
Based on several comparative methods of surveying and fixing of curve, a new method of polar coordinate to calculating the demarcating data is put forward.
因此,选择何种方法能够迅速、准确地测设曲线上各点位,是一个没有彻底解决的问题,通过对比圆曲线的多种测设方法,提出了极坐标法解算标定数据的新方法。
In this paper a method named inside control in concert with Polar coordinate to resolve the problems was presented and demonstrations were given to show how it works.
本文提出了一种检测柱体垂直度的方法—内控法配合极坐标法 ,并用实例加以说
measurement of points beyond road midline with polar coordinates method;
极坐标法测设公路中线以外点
The polar coordinates method for the observation and computation of float effective distance is analyzed.
对极坐标法进行浮标有效行程观测和计算进行研究,根据基点所处位置是否在浮标中断面上和水面比降的大小,分4种情况讨论了浮标有效行程的确定方法,并给出相关算例。
3 and taking into account the practical needs and requirements of railway department, makes further analysis of the closure tolerance of the control point of the railway curve laid out by the polar coordinates method and suggests some new closure tolerance.
本文在文献［３］的基础上，结合目前铁路发展的实际和要求，进一步对极坐标法测设曲线控制点的闭合差限值进行分析，提出新的闭合差限值。
Then the feasibility and advantages of the application of main coordinate method to bid evaluating and determining are dwelled on.
讨论与分析了现行各种评标定标方法的特点与局限性 ,论述了主坐标法在评标定标中应用的可行性与优点 ,并在此基础上给出了主坐标法的算法模型和算
Establishment of Relative Polar Coordinate Method of Lofting Mineral Company Shandong Branch of CHALCO
建立相对坐标系的极坐标法施工放样
logit/log method
对数值 对数坐标法
areal coordinates
重心坐标, 面坐标
Guidance measurement by combining relative and absolute coordinates
相对坐标与绝对坐标结合制导测量方法研究
Research of the Method for Coordinate Transformation between RTK-Net Survey Coordinate System and Local Coordinate System
网络RTK测量坐标与地方坐标转换方法的研究
Method of 2D and 3D Radar Registration and Its Application
两坐标与三坐标雷达配准方法及其应用分析
A Discussion on Methods for Transforming Point Position Coordinate from Previous Geodetic Coordinate System to next Generation CGCS 2000
2000国家大地坐标系下点位坐标转换方法浅析
A New Algorithm for Transforming from Cartesian to Geodetic Coordinates
空间直角坐标向大地坐标转换的新算法
On Transformation of National Mark to Construction Mark
国家坐标系与施工坐标系的转换方法探讨
On the precision comparison of two methods for the transformation from GPS coordinate to the local coordinate
GPS坐标向地方坐标转换的两种方法精度比较
A New Algorithm for Target Recognition Based on Log-Polar Transform
基于对数极坐标变换的目标识别算法
Target Detection and Recognition Methods to Measure the Spatial Coordinate of Dim and Small Target
弱小目标空间坐标测量中的目标检测识别方法
The dates you specified for the axis values can't be used, because the maximum axis value must occur at a later date than the minimum axis value.
为坐标轴指定的日期非法。坐标轴远端的日期必须晚于近端的日期。
Discussion on Applying the Selection of G54～G59 Directionsin Processing Coordinate-system and the Drift of Processing Coordinate-system;
加工坐标系选择G54～G59指令与加工坐标系偏移用法释疑
Study on the coordinate transformation methods and accuracy from WGS-84 to BJ-54
WGS-84坐标系与BJ-54坐标系的转换方法及精度探讨
The analysis of conversion from geocentric to geodetic coordinates with Newton iteration to solve non-linear equations
地心坐标反解大地坐标的非线性方程组牛顿迭代法分析
Algorithm of Establishing Local Coordinate System for Sub-Views in Engineering Drawing
工程图中建立各分视图坐标中心及局部坐标系的算法
A New Transformation Method of Exploratory Profiles from 2D to 3D Coordination Systems
勘探剖面二维坐标系向三维坐标系转换的新方法