基于CPU+FPGA的罗兰C导航系统模拟器  

Design of Simulator for LORAN-C Navigation System based on CPU+FPGA Platform

作　　者：崔科 李嘉颖 路辉[3] CUI Ke;LI Jia-ying;LU Hui(Unit 91395 of the PLA,Beijing 102443,China;Academy of Military Sciences,Systems Engineering Institute,Beijing 100141,China;School of Electronic and Information Engineering,Beihang University,Beijing 100191,China)

机构地区：[1]中国人民解放军91395部队,北京102443 [2]中国人民解放军军事科学院系统工程研究院,北京100141 [3]北京航空航天大学电子信息工程学院,北京100191

出　　处：《宇航计测技术》2021年第1期64-70,共7页Journal of Astronautic Metrology and Measurement

摘　　要：根据罗兰C导航系统信号的基本特征,以软件无线电理论为指导思想,设计一种罗兰C系统信号模拟器。该模拟器采用通用计算机和现场可编程门阵列(FPGA)芯片构建上位机、下位机架构,基于PCIE进行上下位机通信,模拟产生罗兰C导航系统信号。针对实际信号环境,该模拟器可以模拟多台链信号、天波信号、单频干扰、噪声干扰等信号场景。该模拟器可应用于罗兰C信号特征研究及接收设备的维修检测等。According to the basic characteristics of Loran-C navigation system signal,based on SDR(Software Defined Radio)theory,a kind of signal simulator of Loran-C navigation system is designed.Building the architecture of the upper system and the lower system with General-purpose computer and FPGA chip,and using PCIE bus as the information communication media,the signal simulator can produce sky-wave signal,the station chain and the band interference signal and the noise jamming signal.The simulator can be applied to the research of Loran-C signal characteristics and the maintenance of receiving equipment.

关 键 词：罗兰C 导航系统 信号模拟器 现场可编程门阵列 

分 类 号：TN967.7[电子电信—信号与信息处理]