佘山VLBI站本振系统的性能评定  

Performance evalution of the local oscillator at SheShan VLBI Station

作　　者：张为群[1] 

机构地区：[1]中国科学院上海天文台

出　　处：《宇航计测技术》1992年第1期44-49,共6页Journal of Astronautic Metrology and Measurement

摘　　要：氢钟是甚长基线干涉仪(VLBI)中的一个关键系统。主要介绍与国际VLBI联测而建立的高质量频率标准的性能及氢钟的联接与技术要求。Hydrogen clock is an important subsystem of VLBI. It gives time service to VLBI. This paper describes the performances measured in connection between the high quality frequency standard and international VLBI station, and technique requirements of hydrogen clock built-up for the VLBI station.

关 键 词：干涉仪 氢原子钟 时间同步 

分 类 号：TH714.14[机械工程—测试计量技术及仪器]