| MATLAB在数字信号处理中的应用 |
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| 引用本文： | 金延军,孟庆刚. MATLAB在数字信号处理中的应用[J]. 交通科技与经济, 2009, 11(2): 39-41 |
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| 作者姓名： | 金延军 孟庆刚 |
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| 作者单位： | 黑龙江工程学院电子工程系,黑龙江哈尔滨,150050 |
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| 摘 要： | 根据FIR数字滤波器设计的基本原理，利用MATLAB实现数学逼近理论，采用窗函数设计FIR数字滤波器的设计方法进行模拟仿真。分析结果发现，在同样阶数下，优化设计可以获得最佳的频率特性和衰耗特性，具有通带和阻带平坦、过渡带窄等优点。双线性变换法设计IIR滤波器可应用于图像处理等方面。
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| 关 键 词： | 数字信号处理 IIR滤波器 FIR滤波器 |
Application of Matlab in Thaching of Digital Signal Processing |
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| JIN Yan-jun,MENG Qing-gang. Application of Matlab in Thaching of Digital Signal Processing[J]. Technology & Economy in Areas of Communications, 2009, 11(2): 39-41 |
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| Authors: | JIN Yan-jun MENG Qing-gang |
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| Affiliation: | 1.Dept.of Electronic Engineering;Heilongjiang Institute of Technology;Harbin 150050;China |
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| Abstract: | According to the design basic principle of FIR digital filter,using MATLAB to achieve the Mathematic Approximation principle,process the simulation with the method of FIR digital filter designed by Window Function.By analysising the results,in the same order,optimizing design can achieve the optimum characteristic of the frequency and exitinction,which the passband and suppressed frequency band are smooth and transition band is narrow.IIR filter,designed by double linear transform,can be used in the field o... |
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| Keywords: | digital signal processing IIR filter FIR filter |
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