您要查找的是不是：
- 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。
- time signal equipment 报时信号装置
- 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。
- A complete line of conventional signaling equipment. 全系列常规信号设备。
- 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。
- Meantime,we manufacture all kinds or lndicating lights equipment,signal equipment,life raft and some fittings of watercraft. 同时还生产各种救生设备示位灯、信号设备、救生筏具及其它船舶配件。
- A PLL system used to derive high-speed time signals for SONET/SDH based equipment was analyzed in this paper. 本文设计了一个用于光纤通讯同步数字系列（SONET/SDH）系统的高速时钟数据恢复芯片的多环路锁相环。
- Urban mass transit (UMT) quasi-moving block CAD software is a block design CAD which can dispose _ signal equipment automatically based on the quasi-moving principle. 城市轨道交通准移动闭塞CAD软件是针对城市轨道交通准移动闭塞制式下的闭塞信号设备布置辅助设计软件。
- A six-pip time signal is sent to Radio Television Hong Kong for broadcast at quarter-hour intervals. 每隔15分钟，6响报时信号便会经由香港电台转播。
- A. V. Oppenheim and R. W. Schafer, . Discrete - Time Signal Processing. Englewood Cliffs, NJ :Prentice Hall, 1989. 胡广书.;数字信号处理-理论;算法与实现
- Writer discusses the management system for station signal equipment based on GIS，and provides the system of fault diagnosis and information positioning for station signal equipment . 作者设计了基于GIS的车站信号设备管理系统，并在此基础上提出了信号设备的故障诊断与信息定位系统。
- Based on the analysis of SDH network layer structure, the MSOH in SOH is made certain to transmit time signal to reduce the effect of position deviation on time uncertainty. 在对SDH网络层次结构分析的基础上,确定使用SOH中的MSOH来传递时间信号,以减小位置误差对时间不确定性的影响。
- The paper analyses the importance of lightning protection of railway signal and principle of lightning disasters for signal equipment and discusses the common method for lightning protection. 论文分析了铁路信号防雷的重要性,介绍了信号设备雷电灾害的原理,并对雷电防护的一般方法进行了论述。
- Railway fixed equipment. Modular power supply units for signalling equipment, telecommunication equipment and computer equipment. Battery cabinet. 铁路固定设备。信号传输设备、通信设备和计算机设备的模块化电源。蓄电池箱。
- 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。
