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- Some excellent methods for optimizing the coverage of SFN are reviewed in this paper. A method for constructing single frequency network with low-power transmitters is proposed. 摘要介绍了国际上流行的一些单频网覆盖优化方法，并提出了采用对人体辐射影响较小的小功率发射机进行信号覆盖的方案。
- SFN ( Single Frequency Network ) switching 单频网切换
- single frequency network adapter 单频网适配器
- single frequency network (SFN) 单频组网
- Single frequency network and it's application in DTTB 单频网及其在DTTB中的应用
- Comparison between Single Transmitter and Single Frequency Network in DTV Terrestrial Transmitting 数字电视地面传输用单频网与单点发射的效果比较
- Application of Single Frequency Network to the Automatic Hydrological Forecast System of Hongfeng Hydropower Plant 单频组网技术在红枫电厂水情自动测报系统中的应用
- Using single frequency network enhances mobile reception and no fine-tune of frequency is required; 单一频道可以覆盖全港,流动接收及选台更方便,不需微调频率。
- Mobile Digital Television Signal Coverage Calculations of He-Nan Extensive DMB-T Single Frequency Network 河南省DMB-T单频网信号覆盖率的计算
- Dedign of an Adaptive Echo Canceller for the Relay Stations in a Single Frequency Network 单频网中继站自适应回波消除器的设计
- single frequency network 单频网
- While single frequency tones worked on certain phone routes, the most common signaling on the then long distance network used Multi-Frequency tones. 而某些单频音调闪耀电话线最常见的则长途信令网采用多频音调。
- Harmonics can be added to a wave which has a single frequency to produce a complex wave. 谐音加在单频波上产生复波。
- The phase velocity basically tells you how fast a pure sine wave (with a single frequency) moves. 相速度可以告诉我们一个纯正弦波的传播速度。
- The observed signals are filtered and demodulated into a number of single frequency stationary signals. 观测信号经滤波和解线调处理，变换为一系列单频平稳信号。
- Secondly, we generated different single frequency sections by rearranging frequency contents. 然后按照频率重排产生共频率的剖面；
- Experimental Studies of Single Frequency DBR Fiber Laser and Temperature Sensing[J]. 引用该论文 黄文财;明海;陈曦曜;谢建平;许立新;王安廷;吕亮;吴云霞.
- How can this triple-decker system be played over several octaves so as to produce a single frequency? 这种三层系统如何从几个八度音阶当中发出某一个频率呢？
- The develop ment of novel single frequency devices shows a bright future for near infrared laser diodebased gas sensing. 新型单频器件发展表明近红外激光二极管气体传感具有广阔前景。
- But when the telescope is dallying at a specific point in the sky, there is no point in recording on a single frequency for an extended period of time. 当望远镜在空中某个特定方向上停了下来，在一个频率上记录一大段时间就没什么用处了。
