我们所有的地图误差都非常大。
与传统的线性自动校正算法相比，这种算法可以有效地消除矢量地图中的非线性误差，理论上也有所深入。
Compared to the traditional linear auto-adjusting algorithm, it can effectively remove the nonlinear errors of a vector map and also runs deep on theory.
在传统的超高压输电线路设计选线中，较落后的测量方式手段和年代久远的地图是导致设计误差的重要原因。
In traditional EHV line routing design, unsophisticated surveying methods and aging maps are the main sources of design error.
本文分析了地图匹配的误差来源，提出了一个基于权重的地图匹配算法。
This paper analyzes the given source of errors of map matching and then introduces a weight-based map-matching algorithm.
该文分析了地图匹配的误差来源，提出了一个基于权重的地图匹配算法。
This paper analyzes the given source of errors of map matching and then introduces a weight-based map matching algorithm.
通过误差来源的分析和误差模型的建立，提出了一种车辆导航中gps定位测量与数字地图实时配准的地图匹配算法。
According to the given source and mathematic model of matching error, a algorithm for real time matching of GPS positioning results and digital maps is put forward.
在研究了彩色地图扫描数据中客观存在的颜色误差后，根据彩色地图颜色的变化规律，提出了一种快速分层算法。
This paper presents that the segmentation of color map can not be fulfilled only by using color after analyzing the color errors in the scanned data.
针对导航系统精度和数字地图存在误差的情况，通过适当划分搜索空间网格保证了航迹的鲁棒性。
In view of the situation that there are errors in navigation data and digital terrain data, the robustness of reference path is ensured according to choice the cell width of search space properly.
位置误差主要来源于直接测量的误差、地图数字化的误差遥感数据的误差、数据转换误差、数据输入与存储误差。
The data of GIS include space data and property data. Position errors are mainly from errors of direct measurement, digitalization of map, data input and store.
各基站间的双曲线族可以在地图中直接绘制出来，甚至包括不规则传播导致的误差修正。
The families of hyperbolas for each transmitter pair can be directly plotted on maps, including corrections for known propagation anomalies.
从实用的角度出发，阐述了矢量地图在GIS领域中的重要性，并对由纸制地图生成的矢量地图的误差来源进行了分析。
This article explained the importance of vector map in GIS, and analyzed the error in the vector map transformed from paper map in practicality.
地图扫描数字化是GIS数据采集的重要手段，地图上的图形经扫描数字化后，其几何形状和面积因误差的存在而发生改变。
Map scanning digitization is one of the ways to capture spatial data in GIS. After digitization, the geometrical figure and area of a figure may change because of errors.
地图扫描数字化是GIS数据采集的重要手段，地图上的图形经扫描数字化后，其几何形状和面积因误差的存在而发生改变。
Map scanning digitization is one of the ways to capture spatial data in GIS. After digitization, the geometrical figure and area of a figure may change because of errors.
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