| 基于Matlab的FIR带通滤波器设计及DSP实现 |
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| 引用本文： | 凌生强,廖柏林,丁亮,胡小勇,徐澧明. 基于Matlab的FIR带通滤波器设计及DSP实现[J]. 现代电子技术, 2012, 35(9): 176-178,186 |
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| 作者姓名： | 凌生强 廖柏林 丁亮 胡小勇 徐澧明 |
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| 作者单位： | 1. 吉首大学物理与机电工程学院,湖南吉首,416000
2. 吉首大学信息科学与工程学院,湖南吉首,416000 |
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| 基金项目： | 湖南省教育厅科研项目(09C792);吉首大学大学生研究性学习和创新性实验计划项目(JSU-CX-2009-22) |
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| 摘 要： | 借助Matlab的FDATOOL滤波器设计分析软件,设计了一种FIR数字带通滤波器,并对一段含噪语音信号进行滤波。利用汇编语言编程,在DSP上实现了该滤波器。实验结果表明,该数字带通滤波器精确,稳定性好,易于移植,具有很强的实用性与灵活性。
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| 关 键 词： | FIR数字带通滤波器 语音去噪 DSP Matlab |
Design of FIR band-pass filter based on Matlab and its implementation with DSP |
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| LING Sheng-qang , LIAO Bo-lin , DING Liang , HU Xiao-yong , XU Li-ming. Design of FIR band-pass filter based on Matlab and its implementation with DSP[J]. Modern Electronic Technique, 2012, 35(9): 176-178,186 |
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| Authors: | LING Sheng-qang LIAO Bo-lin DING Liang HU Xiao-yong XU Li-ming |
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| Affiliation: | 1(1.College of Physics and Electrical Engineering,JiShou University,JiShou 416000,China; 2.College of Information Science and Engineering,JiShou University,JiShou 416000,China) |
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| Abstract: | Designed a FIR digital band-pass filter with the Matlab′s FDATOOL,and gave a filtering of a noised speech signal.Then this paper implemented the filter on DSP by using of assembly language programming.Results of experiment show that the digital band-pass filter has the characteristic of precision,good stability,ease of migration,strong practicality and flexibility. |
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| Keywords: | FIR digital band-pass filter speech de-noising DSP Matlab |
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