基于ARM+FPGA北斗接收机设计与实现
首发时间:2013-01-05
摘要:作为新一代卫星导航系统,北斗卫星导航系统是我国自主研制的全球卫星定位与通信系统。随着北斗系统的逐步改进和完善以及我国经济、军事、民用等各方面需求的不断加强,北斗系统将具有更多和更广泛的应用领域。本文在了解卫星导航原理的基础上,介绍了一种基于ARM+FPGA架构的导航接收机系统,分别介绍了接收机的硬件系统架构和软件系统架构:接收机的射频前端采用SE4120芯片,基带处理部分采用ARM9内核的AT91SAM9G20芯片和Cyclone III系列的EP3C120F484芯片。同时阐述来接收机的软件设计,包括捕获引擎、跟踪引擎、解凋电文,定位解算等。?????
关键词: 卫星导航;ARM+FPGA;接收机
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Design and Implementation of BD Receiver Based on ARM and FPGA
Abstract:As an advanced positioning and navigation technique, BD satellite navigation system is a global positioning satellite communication system independently developed by China. The BD system gradually improve and perfect. With the continuous improving and strengthening of China's economic, military, and other civilian demand, the BD system will have a wider range of application areas. The SE4120 chip is used as the receiver's RF front-end. The AT91SAM9G20 chip based on ARM9 core and The Cyclone III series EP3C120F484 chip are used as the base-band processing part. And the receiver's software design is explained, including the capture engine, tracking engine, demodulation messages, and position resolution.
Keywords: Satellite Navigation ARM+FPGA Receiver
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