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elaborate simulation
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  精细化模拟
     The Elaborate Simulation and Application Study on the Climatic Resource in the Area of the West of LiaoNing
     辽西地区气候资源精细化模拟与应用研究
短句来源
     In addition, in the flat of ArcGIS, the assay adopts the method of mixed inserted value and then achieves the elaborate simulation product that possesses the space precision of 100m×100m.
     在ArcGIS平台上,运用混合插值方法,完成了空间精度为100m×100m的精细化模拟产品。
短句来源
     (4) Applying the elaborate simulation product of climatic resource in the area of the west of LiaoNing to the climatic area partition in the feasible plant area of chaoyang jujube, it completes special area partition of chaoyang jujube and guides the production and development of chaoyang jujube.
     4、将辽西地区气候资源精细化模拟成果应用到朝阳大枣适宜栽植气候区划工作中,完成了朝阳大枣专题区划,可用于指导朝阳市大枣生产的发展。
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  “elaborate simulation”译为未确定词的双语例句
     Elaborate Simulation of shield tunneling
     盾构法隧道施工的精细模拟
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  相似匹配句对
     Elaborate Simulation of shield tunneling
     盾构法隧道施工的精细模拟
短句来源
     Statistical Simulation
     统计模拟
短句来源
     3.simulation;
     3.情景模拟型实验 ;
短句来源
     First, the subjects elaborate systematically the simulation of ground heat exchanger.
     首先对地源热泵系统地下埋管换热器的模拟方法进行了系统地阐述;
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  elaborate simulation
Our accurate predictions obviate the need for elaborate simulation studies.
      
These latter measures may be used either directly to assess system performance, or indirectly to provide a theoretical backstop for the validation of more elaborate simulation modes.
      
The histogram in Figure 8 is only for illustration purposes, and the more elaborate simulation results are presented in Table 1.
      
Future versions of our systems will support better tracking technologies and more elaborate simulation means.
      
Elaborate simulation and synthesis tools at a higher design level aid the designer for a more controllable and maintainable product.
      


Differentiated Services(DS) architecture has been proposed by IETF to implement QoS in IP networks. However, research shows that there exists unfairness in DS network. This paper introduces the TCP friendly concept into DS network and defines TCP friendly fairness in DS architecture. Elaborate simulations are used to verify that current mechanisms in DS cannot guarantee the TCP friendly fairness; therefore, direct congestion control scheme is proposed to achieve the TCP friendly fairness.

区分服务(Differentiated Services)是IETF为实现IP服务质量(QoS)而定义的一个体系结构。研究表明,在该体系中存在不公平问题,该文将TCP友好(TCP Friendly)的概念引入到DS网络中,并定义了DS网络中的TCP友好的公平性,仿真验证了目前IETF定义的流量调节(TrafficConditioning)以及丢包策略等机制不能很好地实现TCP友好公平性,因而提出了直接拥塞控制机制来实现这一公平性。

The IEEE 802.11 is used to support asynchronous and time bounded delivery of radio data packets.The primary MAC technique of 802.11 is called distributed coordination Function(DCF),which is based on Carrier Sense Multiple Access with Collision Avoidance(CSMA/CA) mechanism with binary slotted exponential backoff.The basic access and the RTS/CTS access mechanisms are the packet transmission schemes employed by DCF.There have been few models to analysis the combination of the basic and RTS/CTS scheme until now.In...

The IEEE 802.11 is used to support asynchronous and time bounded delivery of radio data packets.The primary MAC technique of 802.11 is called distributed coordination Function(DCF),which is based on Carrier Sense Multiple Access with Collision Avoidance(CSMA/CA) mechanism with binary slotted exponential backoff.The basic access and the RTS/CTS access mechanisms are the packet transmission schemes employed by DCF.There have been few models to analysis the combination of the basic and RTS/CTS scheme until now.In this paper,we propose an analytical model to evaluate the throughput and delay performance of a combination mechanism,in the assumption that the distribution function of the packet length is a general function f(x).The accuracy of our model is validated by elaborate simulations.

IEEE 80 2 11采用异步传输方式作为媒体层的主要技术 ,而基于载波检测碰撞避免的分布式接入机制则是其最大的特点 .关于分布式接入机制的研究 ,目前已经有了许多的模型 ,但是 ,大部分的模型都是研究终端所产生的数据包是固定长度 ,很少有模型来研究终端数据包是可变长度的情况 .这种情况下的难点就是不易求得碰撞发生时信道所消耗的时间长度 .本文则研究在终端数据包长度的分布函数为f(x)下协议的吞吐量和延迟性能模型 .首先本文将原标准协议的退避算法看成是有固定大小的竞争窗口 ,用以求得站点的发送概率 ;然后 ,分析信道的工作状态 ,给出了性能模型 ,重点在求解碰撞消耗的信道时间 ,在文章的最后 ,我们通过仿真试验来验证了模型的正确性 .

>=The fundamental access method of IEEE 802.11 is a DCF known as carrier sense multiple access with collision avoidance (CSMA/CA) scheme with exponential back-off. RTS_threshold is used to determine whether to deploy RTS/CTS access method. It is necessary to estimate the number of competing stations to improve network performance. The paper proposes a new estimation method based on adaptive ARMA filter, which essence is that the parameter is tuned adaptively to determine the tradeoff between estimation accuracy...

>=The fundamental access method of IEEE 802.11 is a DCF known as carrier sense multiple access with collision avoidance (CSMA/CA) scheme with exponential back-off. RTS_threshold is used to determine whether to deploy RTS/CTS access method. It is necessary to estimate the number of competing stations to improve network performance. The paper proposes a new estimation method based on adaptive ARMA filter, which essence is that the parameter is tuned adaptively to determine the tradeoff between estimation accuracy and response time in case of changes in the number of competing stations. Through elaborate simulations, the estimation method proposed in the paper is shown to be accuracy and simple, which can fulfill requirements of the tradeoff between estimation accuracy and response time.

分布协调功能(DCF),即载波监测多址接入/冲突退避机制(CSMA/CA),是IEEE802.11 WLAN最基本的无线媒质访问方式。其中RTS门限值被用于决定是否采用RTS/CTS访问机制。为了提高系统性能,需要对网络中竞争站点数量进行实时估计。本文提出了基于自适应ARMA滤波器的竞争站点数量估计方法,并利用自适应调节ARMA滤波器记忆参数来均衡估计准确性和竞争站点数量变化反应时间。仿真分析表明,本文提出的估计方法简单实用,并不失准确性,能很好满足系统对于估计准确性和反应时间的均衡要求,提高系统性能。

 
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