论文-EDA设计微波滤波器.doc

PAGE

PAGEI

…….……………….…

毕业论文

题目：EDA设计微波滤波器

——基于DA算法的FIR数字低通滤波器设计

院部信息科学与工程学院

专业班级电子信息科学与技术3班

届次

学生姓名

学号

指导教师

二O一O年六月十二日

装

订

线

……………….…….………….………….………

目录

1绪论·································································1

1.1概述·······························································1

1.2课题研究的目的和意义··············································1

1.3国内外的研究现状··················································1

1.4课题研究的内容及预期目标···········································2

2FIR数字低通滤波器的设计··············································3

2.1数字滤波器概述····················································3

2.2FIR滤波器基础······················································3

2.2.1FIR滤波器的基本结构··············································3

2.2.2FIR和IIR滤波器的比较·············································5

2.3窗函数法设计FIR滤波器·············································6

2.4利用MATLAB工具获取滤波器系数······································7

2.5分布式算法概述····················································8

2.5.1FIR滤波器的几种实现方法··········································8

2.5.2分布式算法的推导················································9

3EDA技术和FPGA介绍··················································11

3.1EDA技术简介·······················································11

3.2FPGA介绍··························································11

3.2.1FPGA简介························································1

3.2.2FPGA的基本结构··················································1

3.2.3FPGA的设计流程··················································11

4基于VHDL语言的FIR滤波器设计······································13

4.1基于FPGA的FIR滤波器设计流程······································13

4.2VHDL语言描述实现FIR滤波器设计····································13

4.2.1各模块输出位数的确定···········································13

4.2.2各模块电路设计·················