| 适合单片机实时处理的简单FIR滤波器设计 |
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| 引用本文： | 郧刚,张阿卜.适合单片机实时处理的简单FIR滤波器设计[J].现代电子技术,2007,30(11):46-48. |
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| 作者姓名： | 郧刚 张阿卜 |
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| 作者单位： | 厦门大学,信息科学与技术学院,福建,厦门,361005 |
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| 摘 要： | 介绍了一种以Matlab7.0为辅助设计工具,采用窗函数法结合零、极点调整法和试探法设计的滤除工频50 Hz干扰的FIR滤波器的设计与实现。该滤波器运算简单、计算量小,非常适合通用单片机进行实时处理,同时具有低通滤波和50 Hz陷波功能。实验结果表明该滤波器对心电信号中的50 Hz工频干扰和高频干扰具有很好的滤波效果。
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| 关 键 词： | 心电信号 50 Hz工频干扰 FIR滤波器 单片机 |
| 文章编号： | 1004-373X（2007）11-046-03 |
| 收稿时间： | 2006-10-16 |
| 修稿时间： | 2006-10-16 |
Design of FIR Filter Suitable for Processing of the Single Chip in Real - time |
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| YUN Gang,ZHANG Abu.Design of FIR Filter Suitable for Processing of the Single Chip in Real - time[J].Modern Electronic Technique,2007,30(11):46-48. |
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| Authors: | YUN Gang ZHANG Abu |
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| Affiliation: | School of Information Science and Technology, Xiamen University, Xiamen, 361005, China |
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| Abstract: | The paper introduces the design and realization of a 50 Hz FIR digital filter based on Matlab 7.0.The filter has the characters of simple operation and reduction of computation.It is very suitable for the processing of the single chip in real-time and equal to a low-pass filter.Experimental results show that the filter can remove the 50 Hz power-line interference and high frequency interference efficiently. |
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| Keywords: | ECG signal 50 Hz power-line interference FIR filter single chip |
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