The author analyzes the principle and application of the technologies of smart antenna, power controlling and intelligent receiving respectively in the CDMA system. 着重阐述了智能天线、智能功率控制和智能接收技术在CDMA系统中的原理与应用。
Transmit antenna selection and power allocation algorithm for Turbo-BLAST system Turbo-BLAST系统中天线选择和功率分配算法
Characteristics of two-layer patch microstrip antenna for high power wide-band microwave radiation 最高信道频带利用率用于宽带高功率微波辐射的双层贴片天线特性
A New Type of Array-fed Parabolic Antenna For Spatial Power Combining 一种新型阵馈抛物面空间功率合成天线
A Calibration Method of Phased Array Antenna Based on Power Measurement 一种基于功率测量的相控阵天线校准方法
The base station measures through the antenna units the power level of the signals of subscriber terminals having a traffic connection. 该基站通过该天线单元测量具有话务连接的用户终端的信号的功率电平。
Water-filling Algorithm of Antenna Selection and Power Allocation for Turbo-BLAST System with Imperfect Channel State Information 不完全信道状态信息条件下Turbo-BLAST系统中注水天线选择和功率分配算法
ERP Measurements Phased Array Antenna by power injection method 宽带相控阵系统等效辐射功率注入法测试方法
Fairness Based QAM Rate Allocation Algorithm in Per Antenna Power Limited System 各天线功率受限下基于用户公平的QAM速率分配算法
Determination of the Input Power of Horn Antenna by Using the Power Equation Concept 功率方程概念用于确定喇叭天线的输入功率
But the antenna's power is really weak. 但天线的能量很有限。
Experiment results show that by using on-chip antenna power reception together with other electronic functions of contact-less smart card applications is feasible. 实验结果表明,采用片上天线完全可以提供非接触式IC卡工作所需要的能量。
The Design and Research of Microstrip Patch Antenna and Power Amplifier Based on Wireless Data Communication System 基于无线数据传输系统微带贴片天线与功率放大器的设计研究
As for the SI which is the main problem for VDSM physical design, the design offers a correspondent restraint to crosstalk and antenna while improving power plan. 本项研究针对影响超深亚微米物理设计的主要技术难点信号完整性问题,在提高电源规划质量的同时,分别对串扰效应和天线效应进行了相应的抑制。
This article introduces the optimizing and upgrading technology of 3G network, as well as the application of ACP in antenna and common channel power. Combining dynamic simulation tool of network utilization, it discusses its application results. 介绍了3G网络的优化和升级技术,以及ACP在天线和公共信道功率方面的应用,并结合实际网络利用动态模拟工具对其使用结果进行了阐述。
This paper advanced many proposal how to design it, especially, how to select height of antenna, power. 给出了这种浮标通信方面的设计方案,并重点探讨了如何确定其天线高度、功率大小等几个关键问题。
Emulation of Antenna Radiant Power's Time and Space Distribution 天线辐射功率的时空分布仿真
A method of calculation of the correct factor K for antenna power pattern at eclipse is presented in this paper, and it's result is also discussed. 本文介绍了食时天线功率方向图改正因子K的计算方法,并对其结果进行了讨论。
Installation Method for Partial Discharge Detecting Sensor Based on Shielded Loop Antenna in Oil-immersed Power Transformer 屏蔽环形天线局部放电检测传感器的安装
Effect of antenna configuration on power transfer efficiency for planar inductively coupled plasmas 平板型感应耦合等离子体源的线圈配置对功率耦合效率的影响
MIMO ( Multi-Input Multi-output) communication system using multi-antenna structure can increase the channel capacity, at the same time it can exponentially improve the spectrum utilization without increasing the bandwidth and requiring larger antenna transmit power. MIMO(Multi-inputmulti-Output)也即多输入多输出通信系统采用了多天线结构,不仅能够提高信道容量,还能够成倍地提高频谱利用率,并且不用增加带宽,也不会需要更大的天线发射功率。
Is introduced first Following are the radiation characteristics of antenna array and microstrip power divider, and the design of feed network for microstrip antenna array. 并对阵列天线的辐射特性以及微带功分器的基本原理和微带阵列天线馈电网络的设计做了简要介绍。
In addition, the multi-user detector can be used in conjunction with the smart antenna and power control techniques, hence it may reduce the cost while improving highly the capacity of the system. 并能和智能天线技术、功率控制技术相结合,大幅度提高系统性能,降低系统成本。
An integrated application of smart antenna technology and power control scheme in the design of MAC protocol in Ad Hoc networks can further reduce the network power consumption, decrease interference between simultaneous communications and increase the network throughput. 将智能天线技术和功率控制机制相结合引入adhoc网络MAC协议的设计中,可以极大地降低网络能耗,减小邻近节点之间的相互干扰,进而提高整个网络的容量。
Using Multiple input multiple output ( MIMO) technology, the spectrum efficiency can be doubled improved to enhance the capacity of the channel without increasing the bandwidth and antenna transmit power case, and also can improve the reliability of the channel and reduce the error rate. 多输入多输出(MIMO)技术在不增加带宽和天线发送功率的情况下,频谱利用率可以成倍地提高,提高信道的容量,同时也可以提高信道的可靠性,降低误码率。
In the distribution system design, first setting the antenna port power, accounting distribution system power, and determining the number of RRU needs. 在分布系统设计中,先设定天线口功率对分布系统实施功率核算,确定RRU需求数量。
Simulation results validate that PC-DMAC protocol can effectively support the use of smart antenna technology and power control scheme in Ad Hoc networks. It can greatly improve the performance of Ad Hoc networks in terms of network power consumption, throughput and channel utilization. 仿真结果表明,PC-DMAC协议能够很好地支持智能天线技术和功率控制机制在adhoc网络中的应用,使网络的能量消耗、网络吞吐量及节点信道利用率等网络性能有了大幅度的改善。
To keep the fairness between users, the distributed antenna system combining with the base station coordination aims at maximizing the minimum user spectrum efficiency under the constraint of per transmitting antenna power limitation, which is very specific in the distributed antenna configuration. 并且将基站协作通信和分布式天线技术相结合,在适于分布式天线结构的每个天线功率受限的约束下,通过最大化最小的用户频谱效率,保证用户频谱效率的公平性。
We made and focused analysis of the key technologies of WSN in the implementation process, discussed routing of WSN, low-power algorithm of nodes, channel deployment, antenna selection, power supply and network security and other issues. 针对WSN在实施过程中的关键技术做出重点的分析,探讨了WSN的路由选择,节点的低功耗算法,信道部署,天线的选型,供电及网络安全等问题。
In this part, parameters mainly include the gain of transmitting antenna, the power of the transmitter, the gain of the receiving antenna and the sensitivity of the receiver. 这部分参数主要包括发射天线的增益、发射机功率、接收天线增益和接收机灵敏度。