协作频谱感知,cooperative spectrum sensing
1)cooperative spectrum sensing协作频谱感知
1.Two novelcooperative spectrum sensing schemes based on AF(Amplify and Forward) and DF(Decode and Forward) protocols were proposed to achieve spatial diversity gains in cognitive radio networks,which were referred to as AF-CSS(AF-based Cooperative Spectrum Sensing) and DF-CSS(DF-based Cooperative Spectrum Sensing) respectively.由此,提出了2种基于放大重传和解码重传的协作频谱感知方案,并且在瑞利衰落环境下对所提方案的检测概率性能进行了理论分析,给出了非协作感知和协作感知的检测概率的解析表达式。
2.In this paper, the definition, research situation of cognitive radio and the important function ofcooperative spectrum sensing are introduced.该算法基于最优功率分配和协作分集,根据信道条件利用奇异值分解在每根天线上进行功率注水,并考虑多天线情况下两用户网络协作频谱感知授权用户的判决检测过程,利用基于指数衰减的路径损耗模型,分析多天线感知网络的各态历经容量和检测授权用户的概率及时间。
3.Spectrum sensing is a key technology in Cognitive Radio(CR) andcooperative spectrum sensing is derived due to the effects of channel fading.协作频谱感知技术是认知无线电中的重要技术。
英文短句/例句
1.Cooperative Spectrum Sensing Algorithm in Multi-antenna Cognitive Radio多天线感知无线电中的协作频谱感知算法
2.Censor-based cooperative spectrum sensing in cognitive radio networks认知无线电网络的检查协作频谱感知技术
3.Channel Reliability Based Cooperative Spectrum Sensing Algorithms for Fading Channels in Cognitive Radio Systems一种基于信道可靠性的协作频谱感知算法
parison of Data Fusion and Decision Algorithms in Cooperative Spectrum Sensing协作频谱感知中数据融合与决策算法比较
5.Multi-user diversity for cooperative spectrum sensing in heterogeneous wireless networks异构无线网络中基于多用户分集的协作频谱感知算法
parison of DF and AF Based Cooperative Spectrum Sensing合作频谱感知中AF协议与DF协议的性能分析
7.The Research on Cooperative Spectrum Sensing in Cognitive Radio Network感知无线电网络中的协作频谱检测技术研究
8.Investigation of Relationship Between System Throughput and Sensing Time in Cooperative Spectrum Sensing合作频谱感知吞吐量和感知时间关系的研究
9.Cooperative Spectrum Sensing Technology Based on Maximal-ratio Fusion基于最大比融合的合作频谱感知技术
10.Cooperative Spectrum Sensing Algorithm Based on Dempster-Shafer Theory in Cognitive Radio Systems基于Dempster-Shafer证据理论的协同频谱感知算法
11.A Scheme for Power Control Based on Multi-user Collaborative Spectrum Sensing一种多用户协同频谱感知功率控制方案
12.Optimization of Cooperation Spectrum Sensing Performance in Cognitive Radio Networks认知无线电中合作频谱感知的性能优化
13.Optimization of Cooperative Spectrum Sensing Mechanisms in Cognitive Radio Networks认知无线电网络中合作频谱感知机制的优化
14.Channel statistics based cooperative spectrum sensing for cognitive radios基于信道统计特征的认知无线电协作频谱检测
15.Cooperative Spectrum Sensing Based on SNR Comparison for Cognitive Radio基于SNR比较的认知无线电协作频谱检测
16.Maximum Likelihood Cooperative Spectrum Sensing Algorithm Based on Contracted Information in Cognitive Radio Systems认知无线电中基于信息简约的最大似然协同频谱感知算法
17.The soft combination based on SNR comparison in cognitive spectrum sensing基于SNR比较的软合并合作频谱感知技术
18.The Research of Spectrum Sensing in Cognitive Radio System感知无线电系统中频谱感知技术研究
相关短句/例句
censor-based cooperative sensing检查协作频谱感知
1.Appropriate sensing thresholds can be achieved by optimal no decision probability to performcensor-based cooperative sensing.作者提出采用检查协作频谱感知可以有效避免这些问题。
3)cooperative spectrum sensing合作频谱感知
1.This paper presentscooperative spectrum sensing in order to optimize the sensing performance.本文提出合作频谱感知以优化感知性能。
2.Cooperative Spectrum sensing is a key technology in cognitive radio.论文主要介绍了2个次级用户合作频谱感知之间的DF协议,并在检测概率与中断率上与AF协议进行比较。
4)spectrum sensing频谱感知
1.Constraints of allowable power density for cognitive radio network based onspectrum sensing information;基于频谱感知信息的认知无线电网络功率密度约束问题
2.Cooperativespectrum sensing algorithm based on dempster-shafer theory in cognitive radio networks;基于证据理论的协同频谱感知算法
3.Cooperative MIMOspectrum sensing based on random matrix theory;基于RMT的协作MIMO频谱感知
5)collaborative awareness协作感知
1.Role-based hierarchicalcollaborative awareness model for synchronous cooperation;基于角色的层次型同步协作感知模型
2.Research on hierarchicalcollaborative awareness model on CVE;协同虚拟环境分层协作感知模型研究
3.Collaborative Awareness technology is one of the key technologies in VST.虚拟空间会议系统中的关键技术之一就是协作感知技术,协作感知是为了解决如何在计算机支持的虚拟协作环境中建立接近于现实世界中的感知环境和感知信息的传递方式,让虚拟世界更加真实,让协作过程更加自然和有效率。
6)collaboration awareness协作感知
1.The special structure of spatial data and long-duration transaction at GIS,making the traditional concurrency control strategy of multi-version and lock do not satisfy with thecollaboration awareness by multi-user in cooperative GIS.空间数据的特殊结构及GIS的长事务特点,传统的加锁和多版本并发控制策略不能很好的满足协同GIS中多用户协作感知的要求。
2.The traditional concurrency control strategy does not satisfy thecollaboration awareness of multi-users in cooperative GIS.随着传统GIS向网络GIS的发展,地图的更新通常需要网络中多个站点相互协作完成,传统的并发控制策略不能很好满足协同GIS中多用户协作感知的要求。
延伸阅读
倍频谱带分子式：CAS号：性质：又称倍频谱带。红外光谱分析中的一种谱带；指某个吸收频率为基谐振动频率的2倍或3倍时的吸收带。它的产生是由于两个原子核间的库仑排斥力使振动频率发生了异常变化的结果。泛频带的吸收强度往往很低，因此这个吸收带有时测不出来。
