| 基于DSP的FIR滤波器的设计与实现 |
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| 引用本文： | 崔畅,赵强.基于DSP的FIR滤波器的设计与实现[J].国外电子测量技术,2010,29(7):68-70. |
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| 作者姓名： | 崔畅 赵强 |
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| 作者单位： | 辽宁石油化工大学信息与控制工程学院,抚顺,113001 |
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| 摘 要： | 详细介绍了一种以DSP为核心的FIR低通滤波器的设计方法。首先利用MATLAB中的辅助设计工具FDATool设计出符合要求的FIR低通滤波器,对它进行模拟仿真得到FIR滤波器的单位冲激响应参数,然后采用线性缓冲区和带移位的双操作数寻址方式在TMS320VC5509A DSP芯片上实现一个混合输入信号的低通滤波。实验结果表明,利用该方法所设计的FIR滤波器满足所要求的性能指标。
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| 关 键 词： | FIR滤波器 DSP 窗函数 |
Design and implementation of FIR filter based on DSP |
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| Cui Chang,Zhao Qiang.Design and implementation of FIR filter based on DSP[J].Foreign Electronic Measurement Technology,2010,29(7):68-70. |
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| Authors: | Cui Chang Zhao Qiang |
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| Affiliation: | Cui Chang Zhao Qiang(School of Information and Control Engineering,Liaoning Shihua University,Fushun 113001,China) |
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| Abstract: | A design method of FIR filter based on DSP is introduced in detail.Firstly,using the aided design tool FDATool in MATLAB to design a FIR low-pass filter,and it is simulated to acquire the unit impulse response parameters of the FIR filter.A mixed input signal is filtered by using the method of linear buffer and dual operation address with moving bits on the TMS320VC5509A DSP chip.Experimental results show that the FIR filter which was designed can meet the design requirement. |
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| Keywords: | DSP |
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