基于VB平台的GPS数据接收及轨迹显示设计摘要自GPS作为民用以来，影响着社会的方方面面，也为我们的生活带来了极大的方便。本文主要阐述了基于VB平台的GPS数据接收及轨迹显示的设计方案。本设计能提取出GPS模块输出数据中的时间、日期、经度、纬度等信息，并将经纬度转换为高斯平面坐标，最终以打点的方式显示当前轨迹，并显示某些特定点的位置名称。设计实现了GPS的定位功能，使用者不但可以知道当前的时间、日期、经纬度，而且还可以知道点在区域中的位置，对特定的点可以直接知道该点名称。
关键词：GPS模块，串口接收，GPS数据提取，高斯平面坐标转换，轨迹显示
The receival of GPS data and the display of track
based on VB
Abstract
Since the GPS technology was used by civilian,it has influenced all aspects of society , and it is very convenient for our lifes.
This paper mainly elaborated to a design project which introduced the receival of the GPS data and the display of track based on VB.The design could extract time, date, longitude, latitude and other information form the output date of GPS module, and transform the longitude and latitude into the coordinates of Gaussian plane ,finally display current track by beating a point and some particular position names.The design carry out the function of GPS position.Users can not only know the current time, date, latitude and longitude, but also know the location of the point in the region, and directly know some particular position names.
Key Words: GPS module, the receival of serial，the extraction of the GPS data, Gaussian plane coordinate transformation，the display of track
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