| 多项式拟合法在飞机试飞中的应用研究 |
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| 引用本文： | 张春蔚,吴苏,周友明,卢晓东.多项式拟合法在飞机试飞中的应用研究[J].飞行力学,2006,24(1):73-76. |
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| 作者姓名： | 张春蔚 吴苏 周友明 卢晓东 |
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| 作者单位： | 1. 中国飞行试验研究院,飞机所,陕西,西安,710089
2. 中国飞行试验研究院,测试所,陕西,西安,710089 |
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| 摘 要： | 主要研究了多项式拟合法在飞机颤振试飞数据处理中的应用技术,讨论了在数据预处理中应用指数窗对抑制噪声、提高数据处理结果精度的影响,最后提出了科学合理的数据处理方法,从而大大提高了试飞结果的准确性。
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| 关 键 词： | 模态参数识别 多项式拟合 颤振试飞 脉冲振动响应 |
| 文章编号： | 1002-0853(2006)01-0073-04 |
| 收稿时间： | 2004-12-07 |
| 修稿时间： | 2005-12-09 |
Application of the Polynomial Fit Algorithm in the Aircraft Flight Test |
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| ZHANG Chun-wei,WU Su,ZHOU You-ming,LU Xiao-dong.Application of the Polynomial Fit Algorithm in the Aircraft Flight Test[J].Flight Dynamics,2006,24(1):73-76. |
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| Authors: | ZHANG Chun-wei WU Su ZHOU You-ming LU Xiao-dong |
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| Abstract: | The application of polynomial fit algorithm was researched in the data process of the aircraft flutter flight test,and the influence of adopting the exponential window in the raw data processing to against noise and to enhance data processing accuracy was discussed.At last,the scientific and reasonable data processing methods were given,so that the flight test effects were greatly improved. |
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| Keywords: | mode parameter identification polynomial fitting flutter flight test impulse vibration response |
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