浅谈程控交换机的维护

以ZXJ1O程控交换机为例,探讨了交换机的原理及构造等问题,并进一步分析了程控交换机的设备维护的方法。     

通信程控交换机的维护与管理浅谈

本文就通信程控交换机的常见故障,对程控交换机的维护和管理进行了探讨。提出了严格维护管理制度、加强日常维护管理、预防软件故障等程控交换机的维修和管理措施。     

程控交换机计费系统设计中确保计费准确性的若干关键环节

本文介绍程控交换机计费系统的设计，并结合改进某进口程控交换机计费系统的实践，提出设计中确保计费准确性的若干关键环节。     

处理程控交换机数字中继故障探究

随着技术的发展,程控交换机越来越多地被应用电子通讯中来.然而,由于电子通讯的不稳定性,程控交换机数字中继故障情况时有发生.本文在对程控交换机数字中继故障的类别进行交换的基础上,就如何处理程控交换机数字中继故障的措施进行了具体的阐述.     

程控交换机的路由设计及应用

介绍程控交换机3300ICP型的路由设计及应用,包括建立路由编辑、拨号修改表、限制级别以及交换机如何出局路由等.     

浅谈程控交换机的维护与管理

程控交换机有多种多样的型号和品牌,但他们的管理与维护工作基本上是一样的,只有认真学习程控交换机的原理与维护知识,掌握科学的维护办法,才有利于交换机的管理与维护。本文在研究程控交换机工作特征的基础上,重点论述了交换机的维护与管理工作。     

C＆C08交换机企业专网与公网直连的实现

本文以宣钢局在用华为32模C＆C08数字程控电话交换机为例,介绍了企业专网与公网程控局直连数据配置的实现步骤,以及数据配置参数。     

基于华为C＆C08程控交换机的电话计费系统实现

程控交换机在大中型企事业单位广泛使用，如何和程控机进行接口数据交换、将电话管理功能集成到单位内部管理信息系统中是目前程控交换机用户迫切关注的问题。本文介绍了程控交换机的接口方式，探讨了电话计费系统的功能模块设计和实现方法，并以华为C＆C08程控交换机为例，给出了该程控交换机与电话计费系统的一种实用接口实现方法。     

E-Cube程控交换机信号流量控制

为了确保程控交换机得服务质量 ,需要对程控交换机的信号流量进行有效得控制 ,本文主要讨论FETEX -1 5 0E -Cube程控交换机如何实现信号流量得控制。     

程控交换机的维护与管理

程控交换机是通信网的重要组成部分,它肩负着与世界各地通讯联络的任务.所以极其重要.一旦发生故障.将使通信暂时陷于瘫痪状态.所造成的经济损失无法估量,因此.加强对程控交换机的管理和维护就显得十分重要.本文根据工作中积累的维护经验.提出了以管理和维护为主,以预防为辅的程控交换机维护与管理措施.     

基于大数据分析的雷达通信信号收发控制系统设计

针对当前雷达通信信号收发控制系统存在接入信号容量小,收发控制时间长的问题,设计基于大数据分析的雷达通信信号收发控制系统;采用NTF608无线芯片和MSO746F167单片机处理发送器,传送雷达通信信号,选用AD2764芯片接收器,高速缓冲基带信号,读取雷达通信信号地址,利用NTUET34876R芯片控制器,将雷达通信数据存储至4 k字节的K1高速存储寄存器中,双向传输雷达通信信号,完成系统硬件设计;利用数据挖掘技术,优化雷达通信信号,按照发送程序发送通信信号,由主控程序控制接收器接收通信信号,在雷达通信信号控制器中写入4 k字节数据,采用数据缓冲将数据进行交换、运算,启动信道通道将雷达通信数据进行A/D转换,实现雷达通信信号收发控制;实验结果表明,基于大数据分析的雷达通信信号收发控制系统的接人信号容量为85.9％,信号收发控制时间为43 s,能够有效增大系统接人信号容量,缩短系统信号收发控制时间.     

磁耦合共振双发单收系统特性仿真分析

针对电动汽车行驶过程中出现的多个能量发射端向一个能量接收端非接触供能的情形,基于磁耦合共振无线电能传输原理,建立“双发单收”式磁耦合共振理论模型,求解得到“双发单收”系统负载总功率数学表达式.选取3个典型位置,利用ANSYS仿真软件得到发射、接收线圈的磁感应强度云图和电流波形图,分析比较3个位置的电流传输特性与磁场特性.逐渐改变接收线圈与发射线圈的横向相对位置,模拟得到一个能量接收系统在两个能量发射系统之间运动时的充电过程,发现接收线圈运动时系统具有较为稳定的充电电流与充电功率,验证了“双发单收”系统的正确性.     

A case-based reasoning system development for statistical process control: Case representation and retrieval

Statistical process control (SPC) is a sub-area of statistical quality control. Considering the successful results of the SPC applications in various manufacturing and service industries, this field has attracted a large number of experts. Despite the development of knowledge in this field, it is hard to find a comprehensive perspective or model covering such a broad area and most studies related to SPC have focused only on a limited part of this knowledge area. According to many implemented cases in statistical process control, case-based reasoning (CBR) systems have been used in this study for developing of a knowledge-based system (KBS) for SPC to organize this knowledge area. Case representation and retrieval play an important role to implement a CBR system. Thus, a format for representing cases of SPC and the similarity measures for case retrieval are proposed in this paper.     

A case-based reasoning system development for statistical process control: Case representation and retrieval

Statistical process control (SPC) is a sub-area of statistical quality control. Considering the successful results of the SPC applications in various manufacturing and service industries, this field has attracted a large number of experts. Despite the development of knowledge in this field, it is hard to find a comprehensive perspective or model covering such a broad area and most studies related to SPC have focused only on a limited part of this knowledge area. According to many implemented cases in statistical process control, case-based reasoning (CBR) systems have been used in this study for developing of a knowledge-based system (KBS) for SPC to organize this knowledge area. Case representation and retrieval play an important role to implement a CBR system. Thus, a format for representing cases of SPC and the similarity measures for case retrieval are proposed in this paper.     

基于CORBA技术的程控交换机控制系统的设计与实现

移动通信系统中程控交换机类型众多，为了对分散的交换机群移动业务进行集成控制和管理，实现开放的平台，该文引入了CORBA来实现程控交换机服务控制的中间层，同时介绍了CORBA的对象模型，阐述了运用CORBA实现程控交换机控制系统的工作原理及过程。     

智能家居系统中的短信收发程序设计

针对智能家居系统中安防报警信息实时收发及家电远程控制的需求,提出使用3G模块收发短信的方法,并设计了实现短信同时收发功能的软件架构。实验结果表明,该方法简单实用,能够满足智能家居系统的要求。     

Application of the generalized lambda distributions in a statistical process control methodology

In statistical process control (SPC) methodology, quantitative standard control charts are often based on the assumption that the observations are normally distributed. In practice, normality can fail and consequently the determination of assignable causes may result in error. After pointing out the limitations of hypothesis testing methodology commonly used for discriminating between Gaussian and non-Gaussian populations, a very flexible family of statistical distributions is presented in this paper and proposed to be introduced in SPC methodology: the generalized lambda distributions (GLD). It is shown that the control limits usually considered in SPC are accurately predicted when modelling usual statistical laws by means of these distributions. Besides, simulation results reveal that an acceptable accuracy is obtained even for a rather reduced number of initial observations (approximately a hundred). Finally, a specific user-friendly software have been used to process, using the SPC Western Electric rules, experimental data originating from an industrial production line. This example and the fact that it enables us to avoid choosing an a priori statistical law emphasize the relevance of using the GLD in SPC.     

A component-based simulation environment for statistical process control systems analysis

This paper describes a simulation environment, called Prosim, which permits a user to define components, subsystems, and their interconnections to analyse a statistical process control (SPC) system. The components and systems are defined and analysed interactively. A library of standard SPC objects containing models for the Xbar, range, exponential weighted moving average, p-chart and other SPC techniques have been created which help define the control application. The PC-based tool is tested on theoretical, and real data, and is useful for the design and trouble shooting of a manufacturing system. It is also an effective teaching and research tool.     

网络控制系统的实验研究

为了对网络控制系统理论研究成果进行验证,研究了网络控制系统(Networked Control Systems,NCS)的实验方法。主要介绍了利用OPC服务器程序和网络数据发送接受数据程序进行具体实验的方法,并且达到了较好的实验效果,故在以后可以利用现有的OPC服务器程序和数据包发送接收程序进行网络控制系统实验,为以后的网络控制系统研究提供了一种方便的方法。     

基于LDM的气象TIGGE系统接收时效研究优化

为了解决气象TIGGE系统数据接收效率低下的问题,分析研究了LDM数据传输软件的处理机制,针对业务传输流程,结合数据传输模式规范的特点,设计优化了系统的数据接收处理流程。通过调整对接收数据的处理模式,利用事件触发机制,将数据接收和后续处理紧密结合起来,建立两个环节的通路,减少了中间环节,从而提高了整个TIGGE数据接收时效。在业务系统中运行测试结果表明,基于LDM软件事件触发机制的处理流程极大地提升了系统数据接收时效,取得了很好的业务运行效果。