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communication nets
相关语句
  通信网
    A Genetic Algorithm Using the Improved Crossover Operator and Its Application for Solving the Optimal Problems of Communication Nets
    改进交叉方式的遗传算法在求解通信网优化问题中的应用
短句来源
    This paper conchdes basic queuing model described by stochastic Petri nets and propses complex queuing system, moreover in connection with several practical questions on communication nets it attempts to find a new general-ized way to model and analysis queuing questions by stochastic Petri nets theoretically and with computer simulation.
    研究了用随机Petri网描述的基本排队模型,提出了对复杂系统建模的组合方法,并结合通信网中若干实际问题尝试了用随机Petri网对排队系统建模、分析的一般途径。
短句来源
    A random switching in genetic algorithm (GA) is constructed by several chaotic models,in GA the crossover operator can be controlled and the 0-1 programming problem can be rapidly solved,this improved GA further successfully apply to solving optimal problems for communication nets.
    在遗传算法中利用多种混沌模型构造随机开关,以此来控制遗传算法中的交叉运算,从而可迅速地求解0—1规划问题,并进一步在求解通信网的优化问题中得到成功的应用。
短句来源
    The combination of the management techniques of computer communication nets and CATV/HFC widthband network may constitute a kind of Multimedia transmition system—TV-cable Ethernet ,which is quite efficient,easy to use and adaptable to the common people's consume.
    计算机通信网的管理技术与CATV/HFC宽带网的结合,可构成高效、便利于民众消费的多媒体传输系统视缆以太网。
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  “communication nets”译为未确定词的双语例句
    First it gives an overview of Petri net′s and communication nets reliability ,and then introduces the incremental modeling&simulation approach based on Petri nets.
    首先对Petri网和通信网络可靠性进行概述,并在分析通信网络体系结构和失效模式的基础上,引入了基于Petri网建模仿真的递增建模方法;
短句来源
    The result shows that the approach is operable in the analysis&evaluation of communication nets reliability.
    结果表明该方法在通信网络可靠性分析与评估方面具有一定的可操作性。
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  communication nets
Applications of matrix algebra to communication nets
      
The features of non-voice signals on public communication nets are analyzed and an approach to distinguish such signals is introduced in this paper.
      
Therefore, communication nets are susceptible to deadlock, wherein all nodes in a specific cycle have full buffers and are waiting for each other.
      
ES will be used to set up and diagnose communication nets, plan missions, and analyze logistical support requirements.
      


This paper conchdes basic queuing model described by stochastic Petri nets and propses complex queuing system, moreover in connection with several practical questions on communication nets it attempts to find a new general-ized way to model and analysis queuing questions by stochastic Petri nets theoretically and with computer simulation.

研究了用随机Petri网描述的基本排队模型,提出了对复杂系统建模的组合方法,并结合通信网中若干实际问题尝试了用随机Petri网对排队系统建模、分析的一般途径。

A new printed UHF antenna with omnidirectional radiation and broad band is discussed in this paper.The distributed capacitance can be changed by means of designing the size of radiator and step-change outer of ground wire in feed part.The V.S.W.R of the antenna is less than 1.2 in 50 MHz bandwidth and less than 1.1 in 15MHz bandwidth that is used to communication and video transmission.The antenna can be made up small size with the structure.In recent years,Uar mobile radio systems have been developed rapidly.Various...

A new printed UHF antenna with omnidirectional radiation and broad band is discussed in this paper.The distributed capacitance can be changed by means of designing the size of radiator and step-change outer of ground wire in feed part.The V.S.W.R of the antenna is less than 1.2 in 50 MHz bandwidth and less than 1.1 in 15MHz bandwidth that is used to communication and video transmission.The antenna can be made up small size with the structure.In recent years,Uar mobile radio systems have been developed rapidly.Various UHF spotal communication nets and common communication nets becoming more and more.Bother data transmiSSion and video transmission azquire the antenna that has omnidrectional radiation and broadband.Whip antenna has omniditectional radiation in azimuth and its radiation is 0 in about 90°angle of elevation.It is not suited to G/A communication.The band of whip antenna is narrow to video transmission.The printed pntenna with H form is used to communication not only small for be also broadband.It bas omnidirectional radiation property in three-demensional space.The antenna is suited to communication and video transmission in mountain area and G/A.

本文讨论了一种新型全向宽频带超短波印刷天线。利用设计天线辐射体的外形尺寸和债电处接地体的阶梯渐变结构来改变分布电容,达到阻杭匹配的目的。在50MHZ频带内驻波比小于1.2,在使用频段15MHZ频带内驻波比小于1.1。采用十字形馈电方式,利用两直立板状辐射体形成腔体传输水平极化分量,两极板构成直立天线对,使天线的方向图为半球状。采用这种设计方法可减小天线的尺寸。

The features of non-voice signals on public communication nets are analysed and an approach to distinguish such signals is introduced in this paper. It is the first time for the system to meet three key targets: large-scale, high recognition rate and low false alarm at the same time.

本文分析了公用通信网中非话音信号传输的特点,提出并实现了万门话路非话信号检测系统的研制方案。该系统在国内首次同时达到大容量,实时和极低虚警率的设计指标。

 
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