摘要
针对1 pps时间基准信号在时间同步中的应用,研究了一种基于1 pps时间基准信号的授时装置。通过对器件选型、参数设定,调制器等关键部分的详细分析,设计了一种基于1 pps时间基准信号的授时装置,主要包括基带编码、预处理电路、调制电路、功率放大电路。该装置具有授时精度高、成本低、功耗小、便携式等优点,满足时间同步的应用需求。
In view of the time synchronization application of I pps signal, a timing device based on 1 pps signal is researched. According to detailed analysis of the devices selection, parameter setting, modulator and other key parts, a timing device based on 1 pps signal is designed, mainly including baseband coding, preprocessing circuit, modulation circuit, power amplification circuit. The device is well characterized by high timing accuracy, low cost, low power and portability, meets the needs of time synchronization application.
出处
《电视技术》
北大核心
2015年第19期35-37,91,共4页
Video Engineering
关键词
1
PPS
授时
时间同步
1 pps
timing
time synchronization
