数字基带传输系统设计与仿真

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数字基带传输系统设计与仿真(论文8000字)
摘要:模拟信号有很多的优点,但数字信号相较与模拟信号而言,它具有更多的好的特性,同时它也有一些缺点,比如对设备的要求比较高,对带宽的需求也比较大。在最近的几年里,大规模集成电路制作技术的发展速度大大加快,数字信号系统的技术与设备要求的困难程度,都有很大幅度的降低。对于带宽的问题,也随着传输介质如光纤以及拥有较高效率的传输压缩技术的大量使用而得到了有效的解决。因此,以数字信号为基础的传输模式渐渐受到了欢迎。
通常我们会运用MATLAB仿真设计语言,对数字基带传输系统进行仿真。MATLAB可以用于对数值的计算和对图形的处理,是最先进的程序设计语言。如果想要全面地研究数字基带传输系统,MATLAB能起到很大的作用。

关键字:数字基带传输;MATLAB仿真;余弦滚降;眼图;无码间串扰等

Design and Simulation of digital baseband transmission system
Abstract:Analog signals have many advantages, but digital signals have more good characteristics than analog signals, and at the same time, it has some disadvantages, such as higher requirements for equipment. In recent years, the development of large-scale integrated circuit (LSI) technology has been greatly accelerated, and the technical and equipment requirements of digital signal systems have become more difficult. The problem of bandwidth has also been effectively solved with the extensive use of transmission media such as optical fiber and transmission compression technology with high efficiency. Digital signal-based transmission mode is gaining popularity .
We usually use MATLAB simulation design language to simulate the digital baseband transmission system. MATLAB can be used to calculate the numerical value and process the figure. Is the most advanced programming language. If you want to study the digital baseband transmission system MATLAB can play a great role.

Keywords: digital baseband transmission; MATLAB simulation; cosine; eye diagram
 
目录
数字基带传输系统设计与仿真    I
摘要    I
Abstract    II
第一章 绪论    1
1.1 数字基带传输系统简介    1
1.2  数字基带传输系统结构    2
第二章 数字基带信号    3
2.1 基本的基带信号波形    3
2.2 基带传输的常用码型    4
第三章 码间串扰    6
3.1 码间串扰的产生    6
3.2 码间串扰的解决方法    6
3.3 滚降因子    6
3.4 无码间串扰    7
3.4.1 无码间串扰时域条件    7
3.4.2 无码间串扰传输特性    7
3.5 理想低通    8
第四章 实验仿真    9
4.1 仿真设计    9
4.2 余弦滚降系统基于MATLAB的仿真    9
4.3接收滤波器的实现    10
总结    13
参考文献(References)    14
致谢    15
附录    16