【摘要】 对ＧＰＳ定位系统进行了介绍，阐述已完成的超短波ＧＰＳ系统的构成，组网以及软、硬件的实现，并介绍了该系统的应用。更多还原

【Abstract】 This paper introduces the Global Positioning System(GPS),expounds the design of the construction and network of the Ultrashort Wave Data Transmission System of GPS, and presents the realization of the software and hardware as well as the applications of the system.更多还原