基于单片机的 GPS 定位系统设计摘 要GPS 是全球定位系统英文名词 Global Positioning System 的缩写。该系统是美国布设的第二代卫星无线电导航系统。它能为用户提供全球性、全天候、连续、实时、高精度的三维坐标、三向速度和时间信息。其目的是在全球范围内对地面和空中目标进行准确定位和监测。现在,GPS 接收机作为一种先进的导航和定位仪器,已在军事及民用领域得到广泛的应用。本设计是基于 AT89C51 单片机来实现的简易 GPS 定位信息显示系统。本控制系统主要完成接受数据、时间显示、经度显示、纬度显示等常规功能。此方案基于单片机、GPS 模块和 12864 液晶显示屏等硬件, 并应用 C 语言实现了 GPS信号的提取、显示及基本的键盘控制操作等。经过实践测试 ,这种接收机可以达到基本 GPS 信息的接收以及显示,可以做到体积小、精度高、连续导航,并可广泛应用于个人野外旅游探险、出租汽车定位及海上作业等领域。关键词:GPS 定位系统,单片机,液晶显示屏DESIGN OF GPS RECEIVER BASED ON 51 SINGLE CHIP COMPUTERABSTRACTGPS is the abbreviation of the English term Global Positioning System global positioning system 。 The system is the United States laid the second generation satellite radio navigation system. It can provide users with continuous , real-time, global , round—the—clock, high precision three dimensional coordinates , three velocity and time information。 Aimed at targets on the ground and in the air around the world an accurate positioning and monitoring. Now, as an advanced GPS receiver navigation and positioning equipment, has a wide range of applications in military and civilian areas.This design based on the AT89C51 microcontroller is used to implement a simple GPS positioning information display system。 This control system is mainly done to accept the data, time display, latitude, longitude, and other routine functions。 This program is based on single-chip , GPS module and 12864 LCD display, hardware, c language implementation and a...