1、 本科毕业论文（设计） 题 目: 模拟及数字基带系统的仿真与设计 院 系：电子与通信工程学院 专 业：通信工程 姓 名： 学 号： 指导教师： 教师职称：讲师 填写日期： 2014 年 4 月 20 日 I 摘摘 要要 目前，现代计算机科技发展越来越快，与此同时，新一代的可视化的仿真软件也应运而 生。这些仿真软件在通信领域发挥了举足轻重的作用。不仅让通信系统设计和开发过程变得 更为直观，而且也变得更方便。这就大大地促进了通信系统开发技术的速度。仿真软件具有 广泛的适应性和很好的灵活性，为整个社会研究通信系统性能做出来突出贡献。 本次设计的主要探讨方向是通信系统中的关键技术，即模拟调制系统的调制
2、技术和数字 基带传输系统的调制技术。模拟调制主要研究模拟调制系统的分类、模拟调制系统的组成、 模拟信号的传输方式。数字基带传输系统主要研究常用的传输码型、眼图、码间串扰、噪声 干扰、数字基带传输系统的组成。本次设计重点放在模拟调制及数字基带传输的 Matlab 仿真 分析，通过仿真分析，进一步理解并巩固理论知识。这样更便于模拟调制系统和数字基带传 输系统在实际生活中的应用。 理论知识来源于实践并运用于实践。本次设计充分利用 Matlab 仿真软件的强大功能，结 合理论知识建立了通信系统的仿真模型。 关键词关键词：模拟调制系统；基带传输系统；Matlab；仿真技术 II Abstract At
3、present, the development of modern computer technology is more and more fast, at the same time, a new generation of visual simulation software also arises at the historic moment. The simulation software has played a decisive role in the field of communications. Not only the communication system desi
4、gn and development process become more intuitive, but also become more convenient. This will greatly promote the speed of the communication system development technology. Simulation software has extensive adaptability and good flexibility, for the society as a whole research on communication system
5、performance made outstanding contributions. Mainly discusses the direction of this design is the key technology in communication system, namely the analogue modulation system modulation technique and modulation technique of digital baseband transmission system. Analog modulation mainly studies the c
6、lassification of the analogue modulation system, the composition of analog modulation system, the analog signal transmission way. Digital baseband transmission system is the main research of commonly used transmission type, eye diagram, intersymbol interference and noise interference, the composition of digital baseband transmission system. The design emphasis is placed on the Matlab simulation modulation and digital baseband tr
