| 基于窗函数的FIR滤波器的设计 |
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| 引用本文： | 何小河. 基于窗函数的FIR滤波器的设计[J]. 四川轻化工学院学报, 2008, 0(3): 51-53 |
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| 作者姓名： | 何小河 |
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| 作者单位： | [1]绵阳职业技术学院信息工程系,四川绵阳621000 |
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| 摘 要： | 文章主要阐述了FIR算法的基本原理，推导了其中所有的重要公式，并且对几种窗函数做了比较，阐明了加窗函数对结果的影响。在这里还给出了实现FIR算法的结构图。介绍了几种常用滤波窗函数的特点，给出了包络图和幅度响应图。在分析了各种滤波之后，我们决定选用海明窗，并且给出了滤波效果图形。
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| 关 键 词： | FIR滤波器 窗函数 FIR算法的结构图 |
Design of FIR Filter Based on Window Function |
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| HE Xiao-he. Design of FIR Filter Based on Window Function[J]. Journal of Sichuan Institute of Light Industry and Chemical Technology, 2008, 0(3): 51-53 |
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| Authors: | HE Xiao-he |
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| Affiliation: | HE Xiao-he (Dept. of Information Engineering, Mianyang Vocational Technology College, Mianyang 621000, China) |
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| Abstract: | The basic theory of FIR algorithm is explained, all the important formula are infered, the window function and illustrates the affect of window function on results are compared. The structure chart of FIR algorithm realizing is also given. The characteristic of several filtering window functions giving the charts of outline and scope response is introduced. By using Haimming window after analyzing some kinds of filtering window function and the figure of filtering result is given. |
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| Keywords: | FIR filter window function the structure chart of FIR algorithm realizing |
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