Unit 5 Office Automation Text 1 Fundamentals of office Automation Office automation is the application of computer and communications technology to improve the productivity of office workers. In the mid-1970s, the term was used to describe the interactive

人类的记忆是一种具有网状结构的联想式的记忆,具有 跳跃式、多层次、多路径、多方位思维和访问信息的非线 性结构

掌握模拟视频信号的特点及数字化的基本方法; 理解运动图像压缩的国际标准MPEG-1和MPEG-2; 了解视频信息获取的基本原理和方法; 掌握视频编辑的基本步骤和方法

第3章音频信息处理 学习目标 一、了解声音信号的特点、存储格式及质量的度量方法 二、理解音频信号压缩方法及音频编码标准 三、掌握常用的音频处理软件对声音信号进行处理了解语音识别技术及其应用

第1章多媒体技术概论 1.1多媒体技术的基本概念 1.2多媒体技术的发展 1.3多媒体技术的研究内容 1.4多媒体技术的应用领域 1.5多媒体技术的发展趋势 1.6本章小结

Fast response(tdon 3 FS, doff <6 Hs) Precise timing(Atdoff 800 ns) Patented free floating silicon technology Optimized low on-state and switching losses Very high EMI immunity Cosmic radiation withstand rating

Patented free-floating silicon technology Low on-state and switching losses Designed for traction, energy and industrial applications Optimum power handling capability Blocking

DoC. No. 5SYA1036-03 Sep Two thyristors integrated into one wafer Patented free-floating silicon technology Designed for traction, energy and industrial applications Optimum power handling capability Interdigitated amplifying gate The electrical and thermal data are valid for one thyristor half of the device

Direct fiber optic controll and status Fast response(tdon 3 FS, doff <6 Hs) Precise timing Patented free-floating silicon technology High reliability Very high EMI immunity

Patented free-floating silicon technology Low on-state and switching losses Optimized for use as freewheeling diode in GTo converters Standard press-pack housing, hermetically cold-welded Cosmic radiation withstand rating