高性能时码产生器  

The Development and Application of High Performance Time-code Generator

作　　者：冯平[1] 吴贵臣[2] 

机构地区：[1]中国科学院国家授时中心 [2]中国科学院研究生院

出　　处：《电子测量技术》2004年第5期51-52,共2页Electronic Measurement Technology

摘　　要：文中介绍高性能时码产生器,给出仪器的硬件设计和控制软件框图。该设备基于AT89C51,采用软件抗干扰技术,实现授时主系统时钟与中心UTC主钟的同步。该仪器具有体积小、重量轻、抗干扰强等特点。A high performance time-code generator developed to service the Internet time service system of NTSC is presented. Device hardware design and controlling software block diagram are also described in this paper.Adopting software anti-jamming tech- nology,this instrument is based on AT89C51 to achieve the synchronization of the clock of time service system with UTC.The in- strument is characterized small size,light weight and high anti-jamming etc.

关 键 词：时码 重量轻 体积小 同步 时钟 软件抗干扰 AT89C51 控制软件 硬件设计 UTC 

分 类 号：TN948[电子电信—信号与信息处理] TN873[电子电信—信息与通信工程]