| 基于VHDL多路数据采集系统中FIR低通滤波器设计与实现 |
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| 引用本文： | 张景芝,张鹏云,和志强.基于VHDL多路数据采集系统中FIR低通滤波器设计与实现[J].河北省科学院学报,2011,28(3):52-55. |
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| 作者姓名： | 张景芝 张鹏云 和志强 |
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| 作者单位： | 河北经贸大学信息技术学院,河北石家庄,050061 |
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| 基金项目： | 河北省应用基础研究计划项目(10963529D); 河北省高等学校科学技术研究项目(ZD2010213) |
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| 摘 要： | 针对多路数据采集系统中的高频噪声干扰问题，设计了一个基于分布式算法的通带为0—40M的FIR低通滤波器。根据该低通滤波器的总体设计要求，选用合适的窗函数，采用Matlab中的FDATool工具获取滤波器的系数并将其进行量化，在Quarters环境下运用VHDL语言输入方式实现了基于FPGA的FIR低通滤波器。
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| 关 键 词： | 低通滤波器 多路数据采集 分布式算法 VHDL |
Design and implement of FIR low-pass filter in multi-road data acquisition system based on FPGA |
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| ZHANG Jing-zhi,ZHANG Peng-yun,HE Zhi-qiang.Design and implement of FIR low-pass filter in multi-road data acquisition system based on FPGA[J].Journal of The Hebei Academy of Sciences,2011,28(3):52-55. |
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| Authors: | ZHANG Jing-zhi ZHANG Peng-yun HE Zhi-qiang |
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| Institution: | ZHANG Jing-zhi,ZHANG Peng-yun,HE Zhi-qiang(College of Information Technology,Hebei University of Economics and B usiness,Shijiazhuang Hebei 050061,China) |
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| Abstract: | A low-pass FIR filter based on distributed algorithm is designed and implemented to solve the problem of interference by noises of high frequency.According to the design indexes,the filter coefficient is designed by F DA tool in MATLAB and implemented in Quarters II by VHDL. |
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| Keywords: | Low-pass filter Multi-road Data Acquisition Distr ibuted Algorithm VHDL |
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