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   线性参照系 的翻译结果: 查询用时:0.014秒
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计算机软件及计算机应用
公路与水路运输
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线性参照系
相关语句
  linear referencing system
     Linear Referencing System Based on Road Line-shape and Application
     基于公路线形特征的线性参照系及其应用
短句来源
     In order to solve some problems in the drawing in linearity frame of reference lies in Auto-CAD,a VBA oriented algorithm is introduced,which realizes the coordinate transformation between user coordinate system and linear referencing system,and gives two representative examples of application,po-sitioning in mile point method is realized.
     针对AutoCAD在线性参照系绘制中存在的一些不足,提出一种面向VBA语言的算法,实现在AutoCAD中线性参照系和用户坐标系之间的坐标转换,并给出算法的典型应用实例,实现利用里程点法来定位,具有重要的现实意义。
短句来源
     In this paper,a linear referencing system based on road line-shape is presented in order to reduce spatial data redundancy and protect road event from going out of road range.
     提出了一种考虑公路线形特征的线性参照系,旨在解决公路数据库中空间数据冗余、公路事件在小比尺电子地图上容易偏离公路等问题.
短句来源
  相似匹配句对
     Linear Prediction
     线性预测
短句来源
     Linear Cryptanalysis of Q Block Cipher
     Q的线性密码分析
短句来源
     Linear Referencing System Based on Road Line-shape and Application
     基于公路线形特征的线性参照系及其应用
短句来源
     This paper concentrrates on two cardinal points to expand as following: 1 .the frame of reference;
     1、参照系
短句来源
     On Function and Frame of Reference
     功能与参照系
短句来源
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  linear referencing system
A linear referencing system was created from a base-map layer, and then the HUTF database table was linked to the linear referencing system.
      
To establish a linear referencing system the river polyline theme was used to define a system of routes.
      
The tools synchronizes the linear referencing system and the reference network.
      
  linear reference system
Intuitively, a nonmaterialized trajectory describes the motion in the linear reference system.
      


Due to the reason that the observations of GPS and map digihzation are 3D or 2D cooldinates and that thehighway attributes are related to their spatial peihons by mileage, the transfonnation medels betWeen cooldinates andtheleage are needed to develop. The authors presented a methedology for the highway alignment recognition which canbe used as the basis to establish high accuracy on. Relevant algorithm are demonstrated for ac medeling whenphase GPS and map digitization ~ adopted. At the end of the poper, two...

Due to the reason that the observations of GPS and map digihzation are 3D or 2D cooldinates and that thehighway attributes are related to their spatial peihons by mileage, the transfonnation medels betWeen cooldinates andtheleage are needed to develop. The authors presented a methedology for the highway alignment recognition which canbe used as the basis to establish high accuracy on. Relevant algorithm are demonstrated for ac medeling whenphase GPS and map digitization ~ adopted. At the end of the poper, two real - life examples are illustrated by usingthe above aleorithln and foe feaSibility of this method is also proved.

GPS测量、地图的手工数字化以及扫描是目前为GIS-T采集和更新空间数据的主要手段.在按照上述方法采集数据时,道路几何线型通常以离散的坐标串的形式予以表达.交通运输部门在日常工作中所管理的各种属性数据通常按照里程建立与其空间位置之间的联系.在应用GIS概念和技术解决交通运输问题时需要构造高精度的线性参照系,因此需要研究三维或二维坐标与一维里程之间的转换模型,以实现坐标与里程之间的—一对应,达到快速信息查询、分析与表达的目的.通过对道路几何线型特性的研究,提出了按照斜率、斜率差和斜率差的变化率识别道路几何线型,进而构造数据转换模型和线性参照系的实用方法;;并通过对相位GPS测量和数字化采集道路几何线型数据的实例分析,证明了上述方法的实用价值和技术上的可行性.

In order to solve some problems in the drawing in linearity frame of reference lies in Auto-CAD,a VBA oriented algorithm is introduced,which realizes the coordinate transformation between user coordinate system and linear referencing system,and gives two representative examples of application,po-sitioning in mile point method is realized.

针对AutoCAD在线性参照系绘制中存在的一些不足,提出一种面向VBA语言的算法,实现在AutoCAD中线性参照系和用户坐标系之间的坐标转换,并给出算法的典型应用实例,实现利用里程点法来定位,具有重要的现实意义。

In this paper,a linear referencing system based on road line-shape is presented in order to reduce spatial data redundancy and protect road event from going out of road range.By identifying road line-shape,cutting down redundant data and distributing linear coordinate,a linear referencing datum and corresponding algorithm are built up,dynamically establishing the link between road event and 2-D earth coordinate.It has been proved in practice that the referencing system is easy to operate and possesses high precision,meeting...

In this paper,a linear referencing system based on road line-shape is presented in order to reduce spatial data redundancy and protect road event from going out of road range.By identifying road line-shape,cutting down redundant data and distributing linear coordinate,a linear referencing datum and corresponding algorithm are built up,dynamically establishing the link between road event and 2-D earth coordinate.It has been proved in practice that the referencing system is easy to operate and possesses high precision,meeting the needs of practical engineering.

提出了一种考虑公路线形特征的线性参照系,旨在解决公路数据库中空间数据冗余、公路事件在小比尺电子地图上容易偏离公路等问题.通过识别公路线形、压缩冗余数据和分配线性坐标来建立线性参照基准,建立相应的线性参照算法,动态建立公路事件与二维大地坐标间的联系.在公路管理中的实际应用表明,此种参照系具有简便易行和精度高的特点,能够较好地满足实际工程要求.

 
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