频谱切换,spectrum handoff
1)spectrum handoff频谱切换
1.In cognitive radio communication system,secondary user has to vacate current channel while primary user appears in the occupied spectrum,which is calledspectrum handoff.在认知无线电通信系统中,当主用户出现在授权频谱时,认知用户必须及时空出该频段,这个过程称作频谱切换。
2)Switching for Frequency换频切换
1.StudySwitching for Frequency of Pilot Beacon on CDMA Network Optimization基于CDMA网络优化之伪导频(Pilot Beacon)的换频切换技术探析
英文短句/例句
1.Study Switching for Frequency of Pilot Beacon on CDMA Network Optimization基于CDMA网络优化之伪导频(Pilot Beacon)的换频切换技术探析
2.SWITCHOVERSWITCHOVER:AP A;切换SWITCHOVER:AP A;
3.SWITCHOVERSWITCHOVER:RCS A;切换SWITCHOVER:RCS A;
4.Design of Automation Switch of Pumps to the Control of Frequency Variable System by PLC;变频恒压控制中PLC自动切换程序设计
5.An IPTV Fast Channel Change Scheme in Multicast Environment组播环境下IPTV快速频道切换方法
6.Discussion of Switching-over Mode for Carrier Frequency 200～250 km/h Passenger-freight Mixed DPL200～250km/h客运专线载频切换探讨
7.Design of Channel Zapping Supporting IPTV Subscriber Increasing支持IPTV用户扩容的频道快速切换设计
8.VF-FF synchronous switchover controller for revolving air preheater回转式空气预热器变频-工频同步切换控制器
9.The Phase-Locked Synchronization Control System of AC Motor Variable Frequency/Work Frequency Switching;交流电机变频/工频运行切换锁相同步控制系统
10.Schemes of Fast Channel Switching for Mobile Video Services;移动视频业务的快速频道切换方案的研究
11.Principle and Suggestion of Optimization Design of Carrier Frequency Arrangement and Transition in Station车站载频布置及载频切换优化设计原则与建议
12.Development of video switching platform of Jiangxi power video conference system江西电力视频会议系统视频切换平台的开发
13.Research and Implementation of Channel Switching Mechanism in IPTV over EPON Transmission System;基于EPON的网络电视频道切换机制研究与实现
14.Design of Video Switch Matrix and Research on Motion Detection;视频切换矩阵的设计与运动检测算法的研究
15.TG-share Branch Predictor Designed for Frequent Context Switching;适于频繁上下文切换的TG-share分支预测器
16.Design and Realization of Automatic Audio Switcher Based on ARM;基于ARM的音频自动切换仪的设计与实现
17.Models of Co-channel Interference and Handover for Cellular Mobile Communications;基于蜂窝小区的同频干扰和越区切换模型研究
18.Research on Dynamic Spectrum Sharing and Handoff in Cognitive Radio Network认知无线网络动态频谱共享与切换研究
相关短句/例句
Switching for Frequency换频切换
1.StudySwitching for Frequency of Pilot Beacon on CDMA Network Optimization基于CDMA网络优化之伪导频(Pilot Beacon)的换频切换技术探析
3)switching frequency切换频率
1.Adjusting theswitching frequency at which the signal is time-division transferred, the basic frequency signal is transferred through n branches within one signal cycle efficiently, and each branch works for a fixed 1/n of the signal period.调控电路分时传递的切换频率,将主频信号在一周期内由n条支路在其固定的1/n时段分时有效地传递,其合成即为滤波器传递的主频信号。
2.In this paper,first of all,we study the stabilization of the switched linear systems composed of stable subsystems by means of theswitching frequency.在本文中,首先我们利用切换频率研究了由稳定子系统组成的切换系统的稳定性;然后在对规范切换系统的稳定性研究的基础上,研究了由稳定子系统组成的相似规范切换系统、正定相似规范切换系统的稳定性。
4)audio switch音频切换
1.According to the analysis of computer audio and video signals, the circuits of center control module, VGA switch module,audio switch module and volume regulate module have been given in detail, meanwhile the work principle is also expatiated.通过对计算机音/视频信号的分析,详细给出了中心控制模块、VGA视频切换模块、音频切换模块以及音量调节模块等电路,并阐述了其工作原理。
2.In this paper,we introduced the video andaudio switch system of multimedia central controller which based on ARM,present the principle、design project、software model and hardware model of multimedia video andaudio switch.该文介绍了基于ARM的多媒体中央控制器的视音频切换系统,着重阐述了多媒体中央控制器视音频切换系统的原理、设计方案、硬件模块和软件模块的实现方法。
5)Horix to exchange行频切换
6)channel switch频道切换
1.The crucial technology is discussed such aschannel switch.讨论了频道切换等关键技术,并设计与实现了利用组播的频道切换机制。
延伸阅读
频率计量(见时间频率计量)频率计量(见时间频率计量)frequency metrology: see time and frequency metrology口n IQ liliang顷率频率计皿(f比quency metrolo盯) 计t。见时闰
