流动VLBI终端系统的技术改造与升级  

The Technical Modification and Upgrade for Mobile VLBI Terminal System

作　　者：乔少敏[1] 唐颖哲 刘光明 

机构地区：[1]西安测绘研究所高级工程师 [2]不详

出　　处：《测绘科学与工程》2007年第1期41-45,共5页Geomatics Science and Engineering

摘　　要：本文介绍了流动VLBI终端系统的技术改造与升级情况以及MK5A数据系统的构成与工作原理，论述了实现BBC系统本振步长、BBC滤波器带宽和带宽增益补偿以及流动VLBI数据系统等方面的技术改造与升级的原理和方法，最后介绍了应用结果。This paper firstly gives some information about technical modification and upgrade for Mobile VLBI terminal system , and introduces components and operating principle of Mark 5A data system. Then , the principle and methods of technical modification and upgrade for the length of step about BBC local oscillation , BBC filter bandwidth and the bandwidth gain compensation , as well as mobile VLBI data system are discussed. Finally, some application results are given .

关 键 词：BBC 本振 基于磁盘的MK5A数据系统 

分 类 号：P228.6[天文地球—大地测量学与测量工程]