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组网     
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  network building
    The interactive and visual graphic interfaces, data compression and network building are illustrated in this paper.
    本课题主要研究无纸记录仪的人机交互与可视化技术、数据压缩技术以及组网技术。
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    Based on the analysis of the demand for various services, the development direction and network building strategy are presented. It is believed that ATM network technology is the best choice for the backbone network in SPDnet.
    文中从网络应用的需求分析出发,提出了SPDnet的发展方向和组网方案,认为ATM网络技术是电力系统数据通信骨干网络的最佳选择;
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    The simple facilitating RTU with powerful network building was suitable for SCADA system of hydrology monitor and town construct etc.
    该RTU具有结构简单、使用方便、组网能力强等优点 ,特别适用于水文监测、市政建设等行业的SCADA系统
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  network grouping
    Network grouping and upgrading for communication exchange engineering
    通信交换工程的组网与改造
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  network architecture design
    In this paper, the application project of remote video supervision system in sub station is discussed. The contents include the basic function of the remote video supervision,the additive function for the application in substation,the network architecture design of substation video supervision system,the use skill of E1 access facility,etc. It is useful for the designing and construction of the remot e video supervision system in substation.
    探讨远程图像监控系统在变电站自动化系统中应用的主要功能和组网方式 ,其中包括远程图像监控系统的基本功能 ,在变电站中应用的附加功能 ,变电站远程图像监控系统可能的组网方式 ,广泛应用的 E1接入设备的基本功能、特点和组网方式 ,为变电站远程图像监控系统的设计和工程提供参考
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  “组网”译为未确定词的双语例句
    PRACTICE OF THE NETWORK CONSTRUCTION OF THE POWER SYSTEM SDH FIBER COMMUNICATION PROJECT
    电力系统SDH光纤通信工程建设及组网实践
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    A new type of grouping method in dispatching system
    一种新型的调度系统组网模式
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    A Design of Cable Temperature Monitor System with Netty Configuration
    一种组网式电缆温度监测系统的设计
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    Research and applications of ATM data network construction technique in NCPG electric power telecommunication
    京津唐电力ATM数据网组网技术的研究与应用
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    The discussion about the communication network construction scheme in Huaibei second power plant life district
    淮北第二发电厂生活区通信组网方案的探讨
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  network building
From Experiments to Network Building: Trends in the Use of Research for Reconstructing Working Life
      
In more recent years, new patterns have emerged, such as complementary research roles in network building.
      
On the basis of a survey of 181 foreign-invested enterprises (FIEs) operating in China, we find that a market orientation fosters both types of network building.
      
Network control is decomposed in six parts: switch control, resource partitioning, virtual network building, virtual network control, generic services, and data-path components.
      
Network building conferences in support of industry-wide innovations
      
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  making the network
The method proved very practical in the course of making the network of geoidal points more dense for the needs of geodesy.
      
The other part of the epoxy ring was retained for making the network polymerization.
      
Active networking achieves its increased flexibility by making the network programmable.
      
All this information must be altered for making the network able to change, which again will do the network more integrated but less flexible.
      
If the sensor network density decreases substantially, the network graph may become disconnected, making the network unusable.
      
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  network architecture design
Ongoing project responsibilities included Customer liaison, WAN/LAN network architecture design, installations and configuration.
      
Scalability of the above properties to large networks is an overriding concern for protocol and network architecture design.
      
Therefore, to avoid packet loss is still a serious task for all types of network traffics in high-speed network architecture design.
      


This paper presents a method for extending the classical loss Formula Coefficients(LFC) to what is called Complex Loss Formula Coefficients(CLFC) theoretically, which makes it much simpler to evaluate active and reactive power transmission losses in short-cerm economic dispatch calculations (EDC). The classical LFC are still being widely used in practice, owing primarily to its simplicity, utility and rapid computing speed. The coefficients are derived with the assumptions of linear nonconforming loads and linear...

This paper presents a method for extending the classical loss Formula Coefficients(LFC) to what is called Complex Loss Formula Coefficients(CLFC) theoretically, which makes it much simpler to evaluate active and reactive power transmission losses in short-cerm economic dispatch calculations (EDC). The classical LFC are still being widely used in practice, owing primarily to its simplicity, utility and rapid computing speed. The coefficients are derived with the assumptions of linear nonconforming loads and linear generator reactive/active power output relationships. The latter may be not the case in practical systems. Moreover, the coefficients can be used only in real power EDC.The presented CLFC are developed in a similar way to that applied by Shoults[3]. More than two load cases representing various load levels of a given system are needed to pro- vide sample points in linear nonconforming load relationship approximations by least squares fitting. It doesn't matter whether reactive/active power changes in a linear relationship or not,for all the active and reactive power outputs are considered to be independent variables, as has been shown in eqn(2); in which BGG; BGO, BGO, BOO are complex coefficients in matrics, SL and SG complex losses and generating powers respectively. By the use of this extended loss formula, it. is not difficulty that the calculations of real and reactive power losses PL and QL, the four incremental losses, i. e. PL/ PG, PL/ QG, QL/ PG and QL/ QG can be carried out. This makes it possible to accomplish short-term real and reactive power economic dispatch without load flow calculations in each iteration, which wasts more computational times and memory requirements.A computer program is made for calculating this complex coefficients. A 5-node system shown in fig. 2, has been studied, for which losses computer by P-Q decomposition load flow are compared to those by the CLFC, using three load flow cases as sample points (tab. 1). The results given in tab.2 are satisfactory. The study of 70-node system is outlined in tab.3. It is shown that the Complex Loss Formula Coefficients prone to be more accurate than the classic LFC in calculation of real power losses.

经典的B系数法都是以电源的有功功率为变量,在应用上受到一定限制。本文提出的综合B系数法,假定电源的有功和无功功率都是独立变量,推导得出的网损公式和B系数都是复量。新的公式可计算有功和无功网损以及(?)P_L/(?)P、(?)P_L/(?)Q、(?)Q_L/(?)P、(?)Q_L/(?)Q四组网损微增率,为同时进行有功无功经济负荷分配创造了有利条件,从而扩大和发展了B系数的应用范围。

This paper deals with access control strategies for entrance node of integrated multi-traffic network.Here,variable bit rate techniques are used to increase the system flexibility.Using queueing analysis and simulation experiment,the system perfomance is evaluated for several control strategies.with numerical results, some tradeoffs are investigated to provide available engineering reference for the improvement of system performance.

本文讨论了综合业务网入网节点的访问控制问题,重点在采用比特率可变技术时的控制方案以及控制参数对系统的影响.应用排队论以及计算机模拟的手法,对不同比特率混存、切换等控制方案进行了分析,明确了组网时方案选择与参数设定对系统的影响,并给出了系统方案和参数的设计参考,以获得系统效率的提高,改善传输质量、稳定性等系统性能.

Single-point multi-address wireless communication system is suitable for local network configuration. The central station in Power Supply Bureau provided with voice and data channels to city telephone center. Substations and periphery stations can have several user lines or branch channels. Features of this system are: flexibility in channel configuration, nearly complete interfaces, faster for construction, easier for operation and maintenance. Capital cost is only a half of that for cable, microwave, optical...

Single-point multi-address wireless communication system is suitable for local network configuration. The central station in Power Supply Bureau provided with voice and data channels to city telephone center. Substations and periphery stations can have several user lines or branch channels. Features of this system are: flexibility in channel configuration, nearly complete interfaces, faster for construction, easier for operation and maintenance. Capital cost is only a half of that for cable, microwave, optical fiber and other communication systems.

一点多址无线通信的系统结构适合地区组网的需要。供电局设中心站,提供进交换局的话音和数据通道;变电站等设外围站可提供若干条用户线或转接通道。具有频谱经济;话路组织灵活;接口配置比较齐全;建站速度快,运行维护方便等特点,一次性工程造价约为电缆、微波、光纤等通信方式的二分之一。

 
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