Software-defined radios (SDRs) have been around for more than a decade. The
first complete Global Positioning System (GPS) implementation was described
by Dennis Akos in 1997. Since then several research groups have presented their
contributions.We therefore find it timely to publish an up-to-date t ...
当前全球定位系统（Navigation Satellite Timing And Ranging Global Position System，简称GPS）广泛应用于舰船导航，航空航天，地理测绘等领域，特别是移动式定位系统对于目前的城市交通管理有着非常重要的意义。本文分析了当前交通管理中的实际问题，介绍了一种车载终端的设计方法。设计采用ARM9内核的S3C2410微处理器构 ...
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