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<title>学位论文-GPS软件接收机基带算法研究</title>
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<td width="81%"><p>馆藏号:Y983628<br>
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论 文 题 目:<strong style="font-weight: 400">GPS软件接收机基带算法研究</strong><br>
学位授予单位:山东大学<br>
作 者:王明明<br>
申请学位级别:硕士<br>
学 科 名 称:微电子与固体电子学<br>
指 导 教 师:马洪磊;叶甜春<br>
出 版 时 间:20060515<br>
摘 要:<br>
GPS(Global Positioning System)<'1>,即全球导航定位系统于上世纪80年代末引入中国,目前主要在大地测量(测绘、勘探)、海上渔业和车辆定位监控等领域得到了比较广泛的应用。在全球GPS应用领域中,车辆应用所占的比重最大,目前约占总数的40%。 <br> 我国现在拥有世界上最大潜力的卫星导航应用市场。经过十多年的发展,我国的卫星导航用户设备市场化的条件日趋成熟,批量化用户群体正在逐步形成,已进入应用行业高速发展的时期。目前,国际上一些主流手机制造商如诺基亚、爱立信和三星等已开始使用集成的GPS芯片,而日本和美国的电信运营商也已开始或计划提供基于GPS手机的位置服务。随着我国经济的不断发展,特别是在加入WTO之后,完全可以相信,卫星导航定位这个新兴的产业将形成巨大的经济、军事、科技效益,导航定位产业将称为新的经济增长点。 <br> 在将来的几年中,将出现美国的GPS,俄罗斯的G10nass(Global OrbitingNavigation Satellite System)系统,欧洲的伽利略系统,中国的北斗区域定位系统共存的局面。软件接收机结构灵活,适合开发不同的卫星定位系统,便于仿真和分析不同结构的卫星信号,验证实现算法。软件接收机由“射频接收模块(RF)—模数转换模块(AD)—高性能可编程数字信号器模块(DSP)”组成。针对不同的卫星定位系统,用户只需要将相应的处理软件下载到DSP中即可实现不同的定位接收机,不需要改动任何硬件。<br> 本人参加了中国科学院微电子研究所杭州分部的GPS基带芯片项目,在其中负责基带算法研究、芯片结构设计以及相关器的电路设计工作。本文主要讲述GPS基带算法研究、设计,进而比较各个不同算法的优劣,选择最优算法来进行芯片设计。 <br> 通过研究GPS基带算法,了解和掌握GPS接收机的工作原理,为我国研发自主的全球卫星定位系统有较大的借鉴和帮助作用,进而为我国摆脱美国GPS系统的制约,在战略上独立自主起到积极的作用。<br> Global Positioning System which is called GPS for short was firstintroduced into China in the 80<'th>last century.GPS is largely used in thesurveying(including mapping and exploiting)and fishery on the sea andvehicle positioning and watching.GPS is the most used on the vehicle;possess about 40%in al l the appl ications at the present.<br> China now has the biggest GPS application market potential in thewOrld.And after development for about 10 years or more,the market forthe GPS equipment is mature,and the consumers thus form a large number,the GPS application field in China is going into a fast growing period·At the present,some famous mobi le phone manufacturer such as Nokia,EriCSS0n and SamSung are beginning to embed GPS function into the chip,and the telecom business in Japan and USA are planning to providepositioning service based on the GPS mobile phone.Along with thesuccessive growth in the economy,especially after the entrance into theWTO.we believe that navigation and positioning based on satellite vehicleis growing into a new industry which will form enormous benefit in theeconomy and military and science and technology and become a neweconomical growing point. <br> In the near future,there wi ll come a scene that ex,i st GPS from USA,Glonass(G10bal Orbiting Navigation Satellite System)from Russia,GalileO from Europe and Chinese regional positioning Beidou.GPS softwarereceiver with a flexible architecture,is suit for developping differentsatellite vehicle positioning system,and is convenient to analysedifferent satellite signal and test the algorithm A radio frequency(RF)<br>
分 类 号:TN79<br>
关 键 词:GPS;射频;基带;接收机
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