摘要
研究深空测控VLBI数字基带转换器的基本原理以及国内外的发展现状。首先介绍VLBI及其基本原理与系统结构,其次介绍数字基带转换器的原理及实现方法,之后重点介绍数字基带转换器在国内外的发展现状,并对当前国际上主要的VLBI数字基带转换器进行全面的对比分析,最后对未来数字基带转换器做出展望。
The basic principles and current development of the deep space TT＆C VLBI digital baseband converter are studied.Firstly,VLBI and its basic principles and system architecture are introduced.Then,the principles and implementation method of the digital baseband converter are introduced.The current development status of digital baseband converter at home and abroad is focused on.And the major international digital baseband converters are comprehensively compared and analyzed.Finally,the outlook about VLBI digital baseband converter is made.
出处
《遥测遥控》
2014年第4期1-9,共9页
Journal of Telemetry,Tracking and Command
基金
国家自然科学基金<微弱信号分布式接收机理及关键技术研究>(61271265)
关键词
VLBI
数字基带转换
发展现状
VLBI
Digital baseband converter
Current development
