| 非定常试验数据处理中数字滤波器的设计 |
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| 引用本文： | 黎秀红.非定常试验数据处理中数字滤波器的设计[J].实验流体力学,2004,18(3):92-96. |
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| 作者姓名： | 黎秀红 |
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| 作者单位： | 西南科技大学计算机科学学院,四川,绵阳,621010 |
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| 摘 要： | 为了对非定常试验数据进行处理,笔者设计了一款数字低通滤波器,有效地减弱了信号中的噪声和干扰,并已成功用于试验中。文中介绍了该滤波器的设计方法,并给出了理论计算公式以及在非定常试验数据处理上的应用情况。
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| 关 键 词： | 数字滤波器 有限冲击响应 风洞试验 非定常空气动力学 |
| 文章编号： | 1007-3124(2004)03-0092-05 |
| 修稿时间： | 2004年1月13日 |
The design of digital filter for data processing of unsteady aerodynamics characteristics experiments in wind tunnel |
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| LI Xiu-hong.The design of digital filter for data processing of unsteady aerodynamics characteristics experiments in wind tunnel[J].Experiments and Measur in Fluid Mechanics,2004,18(3):92-96. |
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| Authors: | LI Xiu-hong |
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| Abstract: | A digital low pass filter with lower noise and disturbance in the signals was designed for data processing of unsteady aerodynamic experiments in wind tunnel, and it was successfully applied in test. This article introduces the design technique of the digital filter and its calculation formula, and its applications are also given in this paper. |
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| Keywords: | digital filter finite impulse response(FIR) wind tunnel test unsteady aerodynamics |
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