北斗高精度定位技术与智能交通

Beidou High Precision Positioning Technology and Intelligent Transportation

阐述了卫星定位导航的基本原理、基于伪距差分的高精度定位技术及地基增强系统,比较了地基增强系统的主要播发技术;提出通过调频副载波来播发地基增强系统产生的伪距差分数据的系统方案,介绍了方案的三个主要组成部分,包括地基增强系统、调频副载波播发系统以及终端模块,并展望了该技术方案在智能交通领域的应用前景。

This paper introduces fundamental principle of Satellite Positioning and Navigation, as well as the high precision positioning technology based on DGPS（Differential Global Positioning System） and the Ground Based Satellite Augmentation System, and compares the major broadcasting technologies. Then the paper proposes the solution of providing DGPS data via Multiplex Broadcasting technologies, and introduces three main components of the solutions in details, which include Ground Based Satellite Augmentation System, Multiplex Broadcasting System and terminal modules. In the end, the paper foresees the applications of the solution in intelligent transportation industry.