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基于SystemView的差错控制技术研究【参考】.doc


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基于SystemView的差错控制技术研究【参考】.doc
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理工大学学士学位论文 I 摘要本文通过对数字通信的各种信道编码方式、差错控制的类型以及差错控制编码分类进行总结和分析,根据各种常用信道编码的比特差错率和码字差错率之间关系的差异, 得出了差错控制编码对数字通信系统可靠性影响的定量计算结果。本文介绍了线性分组码、循环码和卷积码的相关内容,运用 SystemView 软件对差错控制编码系统进行了模型构建、系统设计、仿真演示、结果显示、误差分析以及综合性能分析。本文探讨了在 SystemView 语言环境下差错控制系统仿真的设计和实现。根据差错控制系统的理论基础结合 SystemView 软件包实现对控制系统的建模,并结合 SystemView 仿真达到差错控制的目的。通过对仿真结果的分析我们得知,如果对信息码进行差错控制,误码率会大大降低。关键词: 差错控制编码; SystemView 仿真;误码率理工大学学士学位论文 II Abstract By making a summary and analysis about various channel coding system, and the type and coding specification of error control, the thesis draws quantitative calculation results about the impact of error control coding on the munication system reliability, according to differences between mon coding bit error rate and code word error rate. The thesis introduces the linear block code, cyclic code and convolution code, as well as their related content. Error control coding system is analyzed by SystemView in model building, system design, simulation demonstration, results display, error analysis prehensive performance. It discusses error control system ’s design and implementation of simulation in SystemView language environment. According to the theoretical basis of error control system, combining with SystemView software package, it achieves modeling of control system. What ’s more, it achieves the purpose of error control, combining with simulation of SystemView. We can conclude from the analysis of simulation results that if information code is conducted by error control, bit error control will be greatly reduced. Keywords : Error control coding ; SystemView Simulation ; bit error control 理工大学学士学位论文 III 目录 1绪论....................................................................................................................................... 1 1.1 课题背景.................................................................................................................... 1 1.2 差错控制编码研究意义及现状................................................................................ 1 1.3 本课题研究的主要内容............................................................................................ 2 2 SystemView 介绍................................................................................................................. 3 2.1 SystemView 概述...................................................................................................... 3 2.2 SystemView 简介...................................................................................................... 4 2.3 设计窗口.................................................................................................................... 5 2.4 分析窗口.................................................................................................................... 6 3差错控制编码技术原理.......................................................................................................... 8 3.1差错控制编码基本原理.................................................................... 内容来自淘豆网www.taodocs.com转载请标明出处.
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