... 定时间标准法 Predetermined Time Standard 频率时间标准 frequency time standard 既定时间标准设定 Predetermined Time Standards ...
基于36个网页-相关网页
standard frequency and time signal 标准频时信号 ; 校准频率和时间信号
time and frequency standard 时间频率标准 ; 时间和频率标准
frequency and time standard 频率及计时间标准
standard frequency and time signals 标频时信号 ; 标准频率和时间信号
primary time and frequency standard 原级时频标准
CESIUM TIME AND FREQUENCY STANDARD 铯原子钟
frequency alias and time standard 频率及计时间标准
This is the basis for the well - known cesium clock, presently the standard of frequency and time.
这就是众所周知的铯原子钟的基础,它是目前的频率和时间基准。
China digital television terrestrial broadcasting standard GB20600-2006 is based on TDS-OFDM (Time-Domain Synchronous orthogonal Frequency Division Multiplexing) systems.
中国地面数字电视广播标准GB20600 - 2006是基于时域同步-正交频分复用(TDS - OFDM)系统的。
A new tool that can test the clock base frequency error of energy measuring devices and provide GPS standard time to calibrate real-time clock was introduced in this paper.
介绍了一种用来测量电能计量装置的时钟基频误差,并提供GPS标准时间以校准其实时时钟的新型工具。
应用推荐