北斗导航系统 meaning in English
beidou navigation system
Examples
- The beidou navigational system is characterized by the technical dominance of locating and navigation , data communication , noting time and also by the features of all - day - and - night long , totipotent , real time and continuity
北斗卫星定位导航系统是我国完全自主知识产权的军民共用卫星定位导航系统，北斗导航系统具有集定位导航、数据通信、授时三大功能为一体的技术优势和全天候、全能性、实时性、连续性的工作特点。 - The constitutions and principles of position of gps > glonass and beidou navigation system are described all around in this article , and the following technologies are studied and realized : communication between com ports with oop technology , compound navigation with gps and glonass . calculate velocity , pseudorange difference , smoothing pseudorange with the carrier - phase and models to correct error are also done ; the transforms between wgs - 84 and pz - 90 , as well as wgs - 84 and beijing54 coordinate system ; the technologies to display and manage bitmap , vector map based on mapx also ; conversion of data formats between gjb and mif data format of maplnfo corp . arithmetic of creation dem data based on contour line data from 1 - . 25000 map data with gjb format . texture the surface of terrains with corrected aviation image
本文全面介绍了gps 、 glonass 、北斗导航系统的组成、定位原理，研究并实现了面向对象的串口通信技术、 gps + glonass组合导航、测速及伪距差分、相位平滑伪距差分以及有关误差的模型改正、 wgs ? 84和pz ? 90 、 wgs ? 84和北京54坐标系的坐标转换、栅格地图的显示和管理、基于mapx的矢量地图的显示和管理、 1 : 25万军标数据和mapinfo的mif数据格式双向转换、基于军标数据的dem生成算法、基于opengl的三维地形构造、航空图像纹理地形表面、三维坐标量算、虚拟现实模拟导航、三维地形的层次细化算法以及数字图像处理中的图像增强、几何变换、影像匹配等技术。