基于北斗导航卫星的小型定位系统研究与设计

发布时间：2018-03-21 01:58

本文选题：北斗　切入点：定位系统　出处：《江西农业大学》2014年硕士论文　论文类型：学位论文

【摘要】：北斗卫星导航系统是我国自主研究发展的一种全球性的卫星导航系统。目前，它已经成功实现了区域覆盖。现如今，全社会各个领域都越发地需要北斗导航定位系统的支持。北斗平民化使得各个领域对北斗定位系统的需求也越发的迫切。本设计旨在设计一款基于北斗导航卫星的，，具有实用性，操作简单且性价比很高的小型定位系统。该定位系统的主要功能是要能够接收来自北斗卫星的信号，并对该信号进行处理，然后通过液晶屏幕显示出位置等信息，并能够通过GPRS功能模块实现定位信息的回送。接收到的定位信息的格式是NMEA0183协议，处理卫星信号主要是要提取出卫星信号中经度、纬度以及时间信息等，显示功能模块会将格式化过的数据在微型液晶中显示来提示用户所在位置，GPRS功能模块使得用户能够通过手机得到位置信息。该系统在北斗暂未对民开放短消息服务情况下使用GPRS模块来实现信息的回送。该系统的实现需要考虑到硬件及软件的设计，硬件是软件的载体，硬件设计的好坏直接关系到系统的质量。硬件设计从最基本的电路原理图设计开始，最后制作成PCB板图。软件设计部分主要是定位信息接收程序、定位信息处理程序、液晶显示程序以及GPRS模块通信程序的设计。最后将整个软件进行打包，移植到目标板中。本设计在设计完成后进行了硬件及软件测试，成功实现了系统所需的功能，表明该系统是可靠的，性能较好。
[Abstract]:Beidou satellite navigation system is a global satellite navigation system developed independently in China. At present, it has successfully achieved regional coverage. Beidou navigation and positioning system is needed more and more in all fields of society. Beidou civilian makes the demand for Beidou positioning system more and more urgent. The purpose of this design is to design a small positioning system based on Beidou navigation satellite, which is practical, simple and cost-effective. The main function of this positioning system is to receive signals from Beidou satellite. The signal is processed, then the position information is displayed on the LCD screen, and the location information can be sent back through the GPRS function module. The format of the received location information is the NMEA0183 protocol. The main purpose of processing satellite signals is to extract the longitude, latitude and time information from the satellite signals. The display function module displays the formatted data in the microLCD to indicate the location of the user and the GPRS function module enables the user to obtain location information through the mobile phone. The system is not open to the people in Beidou for the time being. The GPRS module is used to send back the information under the circumstance. The system needs to consider the design of hardware and software. Hardware is the carrier of software, and the quality of hardware design is directly related to the quality of the system. Location information processing program, liquid crystal display program and GPRS module communication program design. Finally, the whole software is packaged and transplanted to the target board. After the design is finished, the hardware and software are tested, and the functions of the system are successfully realized, which shows that the system is reliable and has good performance.
【学位授予单位】：江西农业大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TN96.1

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