| FIR Digital Filter Design Based on Proximate Best Uniform Approximation Theory |
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| 作者姓名： | QIN-Yi MAO Yong-fan QIN Shu-ren |
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| 作者单位： | Test center, College of Mechanical Engineering, Chongqing University, chongqing 400030, china |
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| 摘 要： | After investigating into the design of classical FIR digital filter, a method of FIR filter design based on proximate best uniform approximation is proposed. The paper introduces the theoretical basis of the proximate best uniform approximation theory in detail, and applies it to the design of FIR digital filter. The procedure of designing a FIR filter with the proximate best uniform approximation method is given. The example shows that the filter designed by this method is of good performance in both pass band and eliminated band, and comparatively little calculation related, and hence it is of promising prospect to be applied.
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| 关 键 词： | approximation Chebyshev polynomialseries node interpolation FIR digital filter |
| 收稿时间： | 2005/12/10 0:00:00 |
| 修稿时间： | 2005/12/10 0:00:00 |
FIR Digital Filter Design Based on Proximate Best Uniform Approximation Theory |
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| QIN-Yi,MAO Yong-fan,QIN Shu-ren.FIR Digital Filter Design Based on Proximate Best Uniform Approximation Theory[J].Storage & Process,2006(5):12-15. |
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| Authors: | QIN-Yi MAO Yong-fan QIN Shu-ren |
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| Institution: | Test center, College of Mechanical Engineering, Chongqing University, chongqing 400030, china |
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| Abstract: | After investigating into the design of classical FIR digital filter, a method of FIR filter design based on proximate best uniform approximation is proposed. The paper introduces the theoretical basis of the proximate best uniform approximation theory in detail, and applies it to the design of FIR digital filter. The procedure of designing a FIR filter with the proximate best uniform approximation method is given. The example shows that the filter designed by this method is of good performance in both pass band and eliminated band, and comparatively little calculation related, and hence it is of promising prospect to be applied. |
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| Keywords: | approximation Chebyshev polynomialseries node interpolation FIR digital filter |
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