您要查找的是不是:
- Standard frequency and time signal satellite service 卫星标准频率和时间信号业务
- time signal satellite service 时间信号卫星业务
- 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。
- If you subscribe to a cable or satellite service, your subscription might not include the channel you're trying to access. 您的电视服务订阅可能未包括该频道。
- It was established on the basis of the former Directorate General of Telecommunications after its paging,mobile and satellite service had been spun off. 中国电信集团公司是将寻呼、移动、卫星等业务分离出去之后,在原中国电信基础上新组建的国有重要骨干企业。
- 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。
- 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。
- Framing structure, channel coding and modulation for 11/12 GHz satellite services. 英文标题: Digital broadcasting systems for television; sound and data services.
- 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
- LMSS Land Mobile Satellite Service 地面移动卫星服务
- 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。
- Aeronautical radio navigation satellite service 卫星航空无线电导航业务
- RDSS Radio Determination Satellite Service 无线测定卫星业务
- standard frequency and time signal service 标准频率和时间信号业务