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《程控数字交换技术原理》
程控数字交换技术原理
作者:张文冬
译者:
开本:16开
ISBN:756350198
出版社:北京邮电大学出版社
出版日期:2000-05-01
装帧:精装
书夫曼编号:873792
原价: 20
普通会员:18.7  一星会员:18.14
二星会员:17.77  三星会员:17.39

内容简介
  编辑推荐:本书是专为继续工程教育而编写的教材,以程控数字交换的基本原理为主,重点阐述了语声如变成数字信号;数字信号如何交换;控制系统如何进行程序控制。本书搜集了大量的原始资料及数据,经过反复加工提炼,以深入浅出的方式加以阐述。使读者能在较短的时间了解其原理的内涵,为掌握各交换机的操作维护技能打下良好的基础。所以本书是从事程控数字交换机工作的技术人员的一本有价值的参考书,也是大专院校学生适用的参考书。

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目录

目      录  第一章    概论                                      1.  1    电话交换机的发展概况                                      1.  2    电话交换机的组成及分类                                      1.  2.  1    电话交换机的基本功能                                      1.  2.  2    电话交换机的基本组成                                      1.  2.  3    话路系统的构成方式                                      1.  2.  4    控制系统伪控制方式                                      1.  3    程控交换机的分类及组成                                      1.  3.  1    空分模拟程控交换机                                      1.  3.  2    时分模拟程控交换机                                      1.  3.  3    时分数字程控交换机                                      1.  4    程控数字交换机的优点                                      1.  5    程控数字交换机的发展概况                                      小结                                      思考题                                                                            第二章    话音信号的数字化基础                                      2.  1    模拟信号和数字信号                                      2.  1.  1    模拟信号                                      2.  1.  2    数字信号                                      2.  1.  3    数字通信的优越性                                      2.  2    抽样及抽样定理                                      2.  2.  1    抽样的概念及电路模型                                      2.  2.  2    抽样定理                                      2.  2.  3    抽样门和分路门电路                                      2.  2.  4    模拟信号的重建                                      2.  3    量化                                      2.  3.  1    均匀量化                                      2.  3.  2    非均匀量化                                      2.  4    编码                                      2.  5    解码                                      2.  6    数字通信中常用的基本物理量                                      2.  6.  1    信息量的单位                                      2.  6.  2    码元和码元长度的概念                                      2.  6.  3    信息传输速率                                      2.  6.  4    信号的误码率                                      2.  6.  5    信道的频带利用率                                      2.  7    时分多路复用                                      2.  8    PCM30/32路系统的帧结构                                      2.  9    线路传输的码型                                      2.  9.  1    传输线路对码型的要求                                      2.  9.  2    传输码型的频谱                                      2.  10    30/32路PCM系统构成                                      小结                                      思考题                                                                            第三章    程控数字交换机的组成                                      3.  1    程控数字交换机的基本功能                                      3.  1.  1    一次呼叫的接续过程                                      3.  1.  2    数字交换系统的功能                                      3.  2    数字交换机的总体结构                                      3.  2.  1    硬件系统                                      3.  2.  2    软件系统                                      3.  3    处理机配置方式                                      3.  3.  1    控制方式                                      3.  3.  2    配置方式                                      3.  4    程控数字交换系统性能和指标                                      3.  4.  1    用途                                      3.  4.  2    容量                                      3.  4.  3    话务负荷能力                                      3.  4.  4    呼叫处理能力                                      3.  4.  5    计费方式                                      3.  4.  6    新服务性能                                      3.  4.  7    交换系统的可靠性                                      3.  4.  8    交换系统的可维护性                                      3.  4.  9    服务标准                                      小结                                      思考题                                                                            第四章    数字交换网络                                      4.  1    数字交换原理                                      4.  2    T型时分接线器                                      4.  2.  1    单端输入的T接线器                                      4.  2.  2    多端输入的T接线器                                      4.  2.  3    串/并变换电路                                      4.  2.  4    并/串变换电路                                      4.  2.  5    话音存储器                                      4.  2.  6    控制存储器                                      4.  2.  7    T接线器芯片                                      4.  3    S型时分接线器                                      4.  3.  1    输出控制方式                                      4.  3.  2    输入控制方式                                      4.  3.  3    8×8交叉点矩阵                                      4.  3.  4    控制存储器                                      4.  4    时分交换网络                                      4.  4.  1    T-T型二级时分交换网络                                      4.  4.  2    T-T-T型三级时分交换网络                                      4.  4.  3    T-S-T型三级时分交换网络                                      4.  4.  4    F-150时分交换网络                                      4.  4.  5    S-T-S三级时分交换网络                                      4.  4.  6    多级时分交换网络                                      4.  4.  7    TS单侧折叠式交换网络                                      小结                                      思考题及习题                                                                            第五章    数字交换机的终端和接口                                      5.  1    用户级                                      5.  1.  1    用户电路                                      5.  1.  2    用户集线器                                      5.  1.  3    用户处理机                                      5.  2    全分散控制的模拟用户模块                                      5.  2.  1    模拟用户终端电路                                      5.  2.  2    终端控制单元                                      5.  2.  3    用户呼叫接续过程                                      5.  3    数字用户电路                                      5.  3.  1    基本功能                                      5.  3.  2    S接口                                      5.  3.  3    U接口                                      5.  4    模拟中继器                                      5.  4.  1    ab线接口                                      5.  4.  2    EM接口                                      5.  5    数字中继器                                      5.  5.  1    功能                                      5.  5.  2    功能块的工作原理                                      5.  6    信号的产生.  发送和接收                                      5.  6.  1    数字音频信号的产生                                      5.  6.  2    数字音频信号的发送                                      5.  6.  3    数字音频信号的接收                                      5.  7    三方会议电话                                      5.  7.  1    话音信号叠加法                                      5.  7.  2    最大值输出法                                      小结                                      思考题                                                                            第六章    程控交换机软件                                      6.  1    程控交换机软件组成                                      6.  1.  1    运行软件                                      6.  1.  2    支援软件                                      6.  2    程序设计语言                                      6.  2.  1    汇编语言                                      6.  2.  2    CHILL语言                                      6.  2.  3    SDL语言                                      6.  2.  4    MML语言                                      6.  3    程序的执行管理                                      6.  3.  1    软件技术                                      6.  3.  2    程序的执行级别                                      6.  3.  3    程序的启动控制                                      6.  4    时间表                                      6.  5    队列                                      6.  5.  1    用队列启动基本级程序                                      6.  5.  2    队列的形式                                      6.  5.  3    队列的应用                                      6.  6    用故障级中断启动故障级程序                                      小结                                      思考题及习题                                                                            第七章    呼叫处理的基本原理                                      7.  1    呼叫处理过程                                      7.  2    状态迁移图                                      7.  2.  1    稳定状态及状态迁移                                      7.  2.  2    状态迁移图                                      7.  3    输入处理                                      7.  3.  1    用户线扫描程序                                      7.  3.  2    号盘话机拨号号码的接收                                      7.  3.  3    按钮话机拨号号码的接收                                      7.  3.  4    多频信号的接收                                      7.  3.  5    中继器监视扫描                                      7.  3.  6    处理机间的通信                                      7.  4    分析处理                                      7.  4.  1    去话分析                                      7.  4.  2    号码分析                                      7.  4.  3    来话分析                                      7.  4.  4    状态分析                                      7.  5    任务执行和输出处理                                      7.  5.  1    任务执行程序                                      7.  5.  2    输出处理                                      小结                                      思考题                                                                            第八章    电话网及信号系统                                      8.  1    电话网的分类及构成                                      8.  1.  1    电话网的分类                                      8.  1.  2    电话网的构成                                      8.  2    数字通信网                                      8.  2.  1    数字通信网结构                                      8.  2.  2    模拟网向数字网过渡方式                                      8.  2.  3    数字网的网同步                                      8.  3    综合业务数字网                                      8.  3.  1    综合业务数字网的基本概念                                      8.  3.  2    ISDN网络结构                                      8.  4    电话通信网的发展                                      8.  4.  1    移动通信网                                      8.  4.  2    无线电寻呼系统                                      8.  5    信号系统                                      8.  5.  1    信号分类                                      8.  5.  2    信号的传送方式                                      8.  6    随路信号                                      8.  6.  1    线路信号                                      8.  6.  2    记发器信号                                      8.  7    公共信道信号系统                                      8.  7.  1    概述                                      8.  7.  2    No.  7信号系统                                      8.  7.  3    消息传递部分各级的主要功能                                      8.  7.  4    用户部分功能级                                      小结                                      思考题                                      参考书目


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