多通道GPS卫星信号仿真器设计与实现  

Design and implementation of multi-channel GPS signal simulator

作　　者：范志良[1] 刘光斌[1] 

机构地区：[1]第二炮兵工程学院,西安710025

出　　处：《计算机工程与应用》2009年第18期78-80,共3页Computer Engineering and Applications

摘　　要：立足于GPS卫星信号仿真技术,提出了基于DSP+FPGA的多通道GPS卫星信号仿真器硬件设计方案,概略介绍了硬件系统的基本架构,详细给出了基于此上的软件结构和程序流程,最后通过实验验证了该方案的可行性。实验结果表明,该方案设计的GPS仿真器信号逼真度高、可编程性强、使用灵活,并具有一定的动态性能,为GPS接收机的性能检测提供了有益的支持。A hardware scheme of a multi-channel GPS signal simulator based on DSP and FPGA is proposed in this paper.The basic framework of hardware system is introduced compendiously,and the structure of software and the program flows based on the hardware are presented in detail.The feasibility of this scheme is verified finally.The results are suggested that this simulator with dynamic capability is programmable,flexible and verisimilar,whieh can provide strong support to the detection of the eapability of the GPS receiver.

关 键 词：全球定位系统 数字信号处理 现场可编程门阵列 信号仿真器 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]