digital switching

A Study on Congestion in Digital Switching Network Using Cyclic Selection

采用循环选择的数字交换网络的拥塞研究

An Algorithm for Testing Time Switches in Digital Switching Networks

数字交换网络中时分接线器的一种测试算法

Design of Digital Switching Power Supply Based on DSP Control

一种基于DSP控制的数字开关电源设计

Design of Optical Interface in Digital Switching System

程控交换机中光接口的设计

Structural Design and Simulation Study on High-Frequent Digital Switching Power Supply

高频数字开关电源结构设计与仿真研究

The Experiment Facility of Digital Switching Based on Computer Networks

基于计算机网络的程控交换教学实验系统

A Study on the Blocking Probability of Distributed Digital Switching Networks

分布式数字交换网络阻塞概率的研究

Models and Analysis of T and S Switches in Digital Switching Networks

数字交换网络中T及S接线器的模型与分析

Fault Diagnosis for Delay Justification Circuits in Multistage Digital Switching Network

多级数字交换网络中延时调整电路的故障诊断

A digital switching device in telecommunications for routing lines .

电讯中用于线路路由的数字交换装置。

Multiple Fault Diagnosis in T-S-T Digital Switching Networks Using Parity Checkers

利用奇偶校验电路诊断T-S-T数字交换网络中的多重故障

JSN-1 : An Advanced and Practical Digital Switching System

先进实用的数字交换机&JSN－1

Fault Detection and Diagnosis of T-S-T Digital Switching Networks

T-S-T数字交换网络的故障检测与诊断

A Quick Algorithm for Diagnosing Space-Division Digital Switching Network

空分数字交换网络的快速故障诊断算法

Analysis of traffic-handling capacity of digital switching systems

数字交换机话务处理能力的分析

Algorithms for fault detection and diagnosis of T-S-T digital switching networks are devised in the paper .

本文设计了T-S-T数字交换网络的故障检测与诊断算法。

Problems and its Solutions on the Design of Underfloor Supply Airflow for Air Conditioning in Digital Switching Equipment Room

程控机房下送风空调设计的问题及措施

In recent years , with the rapid development of modern communication technology , the program-controlled digital switching technology is also tending to be mature .

近年来，随着现代通信技术的迅速发展，数字程控交换技术也慢慢走向成熟。

In this paper , a quick and practical fault diagnosing algorithm for the Space-Division digital switching network of SPC switching system is proposed .

本文针对程控数字交换机中一类典型的空分数字交换网络，提出了一个快速、实用的故障诊断算法。

At present , Digital switching devices are applied widely in human society each field , increasingly at communication , traffic , medical treatment , education , and even space field .

目前，数字交换设备越来越广泛的深入到人类社会中的各个领域，在通信、交通、医疗、教学甚至航天领域的应用愈加深入。

This paper analyses the principle of the digital switching technology and describes the structure of Altera chips and its design software named MAX + PLUS II .

本文分析了数字交换技术的原理，介绍了Altera器件的结构和MAX+PLUSⅡ设计软件。

Using a constant biasing current and a reduced output logic swing , current-steering logic avoids the large digital switching noise of conventional static CMOS logic .

通过采用恒定工作电流和限制电路的输出逻辑摆幅，电流控制逻辑能避免静态CMOS电路工作时引入的瞬态开关噪声电流。

An indicator which shows that a message transfers through the digital switching system to indicate the start of message and activate the automatical message switching system into operations .

一种表明报文通过数字交换系统的指示器〔符〕，表示报文开始并激活自动报文交换系统进行工作。

This paper aimes at the problems in the course of Program Control Digital Switching technology , which is a backboned specialized basic course of the speciality of communication engineering in our university .

针对我院通信工程专业的主干专业基础课程程控数字交换技术教学中存在的问题，对这门讲授实际技术的课程的基本结构进行探索。

The distributed digital switching network is widely used in full decentralized digital SPC switching systems . Its blocking probability and dimensioning is an important issue which must be taken into account for design .

全分散控制数字程控交换系统广泛采用分布式数字交换网络，其阻塞概率和设备配置是设计中必须考虑的重要问题。

Voice network develops upon digital switching and VoIP technologies . And now next generation network ( NGN ) has been expected as the development trend . This paper gives some general information about NGN .

话音网络随着数字交换技术和VoIP技术的发展而发展，下一代网络（NGN）已经成为未来网络的发展方向，文章给出了一些关于NGN的概述。

Since the digital switching networks using stage-by-stage selection and repeat attempts have come into use , it is necessary to develop the complete method of congestion calculation as in the link systems using conditional selection .

由于可重试逐级选择数字交换网络已开始采用，有必要如同条件选择链路系统一样，建立完整的阻塞计算方法。

After introducing the hardware system for the electromechanical control experiment in detail , the design of circuits for the digital switching , isolating , and the sampling and outputting of analog signals were presented .

在详细介绍了传统机电控制实验设备的硬件系统后，给出了数字开关、模拟量采集和输出、隔离驱动等模块电路的设计方案。

Network marketing refers to the business activities ranging from manufacturing to consumption . These activities are usually conducted by means of online network , computer communication and digital switching media to pursue the maximum profits of enterprises .

网络营销是指采用联机网络、电脑通信和数字交换式媒体进行从生产到消费的企业活动，以追求企业利润最大化。

The principle of PWM based on CPLD is introduced , and simulation made by the software Max + plus II is shown . At last experimental results prove the digital switching power amplifier is valuable for magnetic bearing system .

本文介绍了用CPLD产生PWM信号和对PWM波进行逻辑控制的原理，并用Max+PlusII软件进行了编程仿真，最后给出了仿真结果和实验结果。