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- time signal standard frequency 时间信号标准频率
- standard frequency and time signal service 标准频率和时间信号业务
- Standard frequency and time signal 校准频率和时间信号
- Standard frequency and time signal station 标准频率和时间信号电台
- standard frequency and time signal (SFTS) 标频时号
- standard frequency and time signal servi 标准频率和时间信号业务
- Standard frequency and time signal satellite service 卫星标准频率和时间信号业务
- Standard frequency and time signals 标频时信号
- Let's set the clock by the radio time signal. 咱们照着收音机的报时信号把钟对一对。
- I corrected my watch by the time signal. 我按报时信号校正我的表。
- I've just set my watch by the radio time signal. 我刚按电台的报时信号拨了表。
- I set my watch by the time signal on the radio. 我根据电台的信号,对手表。
- He set his watch by the time signal. 他按报时信号校准他的表。
- I have just setting my watch by the radio time signal. 我刚按电台的报时信号拨了表。
- I often set my watch by the time signal in the telephone. 我常常按电话里的报时信号对表。
- Phase frequency skip of atomic clock is one of an important factor to restrict accuracy and stability of standard time signal, so its analysis and detection is very important in time keeping work. 原子钟相频跳变是制约标准时间信号准确度和稳定度的关键因素之一,它的分析和检测在守时系统自动化监控中非常重要。
- The compressor of frequency conversion air conditioning is not to work all the time it is under standard frequency, can be accelerated according to need or decelerate speed. 变频空调的压缩机不是一直工作在标准频率之下,可以根据需要加快或者减慢速度。
- Device documentation should always be consulted for the signaling standard. 随时查阅装置文件有关于讯号标准的资讯。
- In the data process the measured complex time signal is converted into frequency signal by DFT to get vibration information regarding frequency and amplitude of the rotor. 在数据处理中,对所得到的复杂时域振动信号进行了离散傅里叶变换(DFT),从而在频率域获得了转子的振动频率和振幅信息。
- Discrete time signal(sinusoid) must satisfy N*Ts = qT to be perioic . 一个连续的正弦周期信号,抽样产生的离散信号不一定还是周期信号。