基于PXI架构的导航信号模拟器设计  

Design of Navigation Signal Simulator Based on PXI Structure

作　　者：董立桥[1,2] 周雪娟[1,2] 

机构地区：[1]河北省卫星导航技术与装备工程技术研究中心,河北石家庄050081 [2]武汉大学,湖北武汉430072

出　　处：《无线电工程》2011年第3期34-37,共4页Radio Engineering

基　　金：国家高科技研究发展计划(863计划)(2007AA12Z330)资助项目

摘　　要：介绍了通用导航信号模拟器模块化设计方案,该设备体积小、结构简单、便于携带、可扩展性强。采用标准PXI机箱结构,基于总线设计。板卡采用模块化设计,方便功能扩展。PXI零槽充当上位机,完成数据仿真和电文生成;通用射频信号产生板卡产生动态信号,完成多星合成信号产生。设计可以完成多星多模导航信号模拟,可广泛应用于GPS、Galileo、Compass等导航系统。The article introduces the modular design scheme of a general navigation signal simulator.This equipment features small size,simple structure,easy portability and better extensibility.It adopts a standard PXI case structure,and is based on PCI bus.The PCB employs a modular design,which is convenient for performance extension.The PXI zero slot acts as the up-level computer,performing data simulation and code generation.The general radio signal synthesis PCB produces dynamic signal,and generates multi-satellite combined signals.This design is able to simulate the navigation signals for multiple satellites and multiple modes,and can be widely applied in various navigation systems such as GPS,Galileo and Compass.

关 键 词：PXI 卫星导航 GPS GALILEO 

分 类 号：TN967.1[电子电信—信号与信息处理]