摘要
随着全球卫星导航系统的日益发展,以软件无线电为主体的多模导航接收机设计已成为整个导航系统中的研究热点。介绍了一种基于MAX2769B的GPS/BDⅡ双模导航接收机的设计,对GPS/BDⅡ双系统软件接收机进行了基带信号处理的研究,给出了系统实现的具体方案,对各部分的硬件电路模块做了详细介绍。对FPGA内部的主要功能模块设计做了相应的阐述,各主要功能模块的仿真结果和系统测试结果验证了该设计的正确性。该系统可以在硬件平台不做改动的情况下,通过修改软件程序实现导航接收机相关性能和技术指标的提高。该GPS/BDⅡ双模导航接收机对卫星导航信号接收用户具有较高的实用性。
With the development of global satellite navigation systems, the design of multiple mode navigation re?ceivers based on software radio has become a hot spot of research in the navigation systems. The GPS/BDII dual mode navigation receiver was designed based on MAX2769B, and base-band signal processing was researched. In addition, the system implementation of specific programs was given, and each part of the hardware circuit modules introduced. The main modules inside the FPGA were described. The simulation of the main modules and the result of system test verify the correctness of the design. Under the condition of keeping the same hardware platform un?changed , the navigation receiver can improve the performance and technical specifications by modifying the software program. Practical applications indicate the GPS/BDII dual mode navigation receiver has nice interaction and prac?ticability.
作者
阮帅
张文旭
孙家骥
陈亚静
RUAN Shuai;ZHANG Wenxu;SUN Jiaji;CHEN Yajing(College of Information and Communication Engineering ,Harbin Engineering University , Harbin 150001 , China)
出处
《应用科技》
CAS
2016年第4期50-56,共7页
Applied Science and Technology
基金
国家自然科学基金项目(61301200)
中央高校基本科研业务费专项资金项目(HEUCF140806)