摘要
针对卫星导航抗干扰技术领域的实验教学以及培养学生创新能力的需要,研发了基于变换域滤波技术的外接抗干扰模块以及GPS/BD导航接收机抗干扰实验平台。该平台采用模块化设计思想,由信号源、抗干扰模块、卫星导航接收机、上位机软件等模块构成,可以进行室内射频链路、室外无线环境的抗干扰性能以及定位精度、授时精度测试等实验,有助于丰富教学内容,增强了学生对扩频通信抗干扰和卫星导航接收机技术的理解。
According to experimental teaching about satellite navigation anti-interference technology and the needs of cultivating students＇ ability of innovation,this paper develops the external anti-interference module based on transform domain filtering, and designs the GPS/BD navigation receiver antiinterference experimental platform.This platform is built by using a modular design idea,which consists of signal source,anti-interference module,satellite navigation receiver,PC software modules,etc.Indoor and outdoor experiments such as anti-interference performance,positioning accuracy and timing accuracy can be verified through the platform.Besides,this platform helps to enrich teaching content,enhance students＇ understanding of DSSS anti-interference algorithm and the basic principle of satellite navigation.
出处
《实验技术与管理》
CAS
北大核心
2014年第12期80-83,共4页
Experimental Technology and Management
基金
教育部博士点重点基金项目(20111101130001)
关键词
卫星导航
实验平台
抗干扰模块
变换域滤波
satellite navigation
experimental platform
anti-interference module
transform domain excision
