| 基于MATLAB的巴特沃思数字滤波器设计 |
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| 引用本文： | 黄同,王海军,樊延虎,苗晓峰.基于MATLAB的巴特沃思数字滤波器设计[J].延安大学学报(自然科学版),2008,27(3):45-48. |
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| 作者姓名： | 黄同 王海军 樊延虎 苗晓峰 |
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| 作者单位： | 1. 延安大学,西安创新学院,理工系,陕西,西安,710100
2. 延安大学,信息学院,陕西,延安,716000 |
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| 摘 要： | 介绍了巴特沃思（Butterworth）滤波器的应用、本质、特点、类型和设计实现步骤,通过对MATLAB信号处理工具箱中滤波器实现函数代码分析,提出了较标准双线性变换法步骤更简便的数字巴特沃思滤波器设计方法,并通过编程仿真实现数据滤波。
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| 关 键 词： | 巴特沃思滤波器 数字滤波器 MATLAB 无限长冲激响应 |
Design Of Butterworth Digital Filter Based on MATLAB |
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| HUANG Tong,WANG Hai-jun,FAN Yan-hu,MIAO Xiao-feng.Design Of Butterworth Digital Filter Based on MATLAB[J].Journal of Yan'an University(Natural Science Edition),2008,27(3):45-48. |
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| Authors: | HUANG Tong WANG Hai-jun FAN Yan-hu MIAO Xiao-feng |
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| Institution: | HUANG Tong, WANG Hai-jun, FAN Yan-hu, MIAO Xiao-feng(1. Department of Electronics ,Innovation College of Yanan University, Xian 710100, China; 2. College of Physics and Electronic Information, Yanan University, Yanan 716000, China) |
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| Abstract: | The applications, essence, characteristics, types, the design and implementation steps of the Butter worth filter were introduced. Through analysis of filter＇s function code in the matlab signal processing toolbox, the Butter-worth filter method simple than the standard bilinear transform was designed. The data filting was implemented by programming and simulation. |
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| Keywords: | MATLAB |
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