| 应用摄动法确定飞机的模态特性 |
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| 引用本文： | 孙玉君 刘昶. 应用摄动法确定飞机的模态特性[J]. 飞行力学, 1993, 11(4): 7-11 |
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| 作者姓名： | 孙玉君 刘昶 |
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| 作者单位： | 苏州大学，南京航空航天大学 苏州 215006，南京 210016 |
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| 摘 要： | 应用摄动法将飞机四阶线化方程降为二阶方程，导出确定飞机纵向长，短周期模态和模航向滚转，螺旋，荷兰滚模态近似解析解。
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| 关 键 词： | 摄动法 模态特性 近似解 飞机 |
DETERMINATION OF THE MODES OF AIRCRAFT BY PERTURBATION METHODS |
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| Sun Yujun. DETERMINATION OF THE MODES OF AIRCRAFT BY PERTURBATION METHODS[J]. Flight Dynamics, 1993, 11(4): 7-11 |
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| Authors: | Sun Yujun |
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| Affiliation: | Sun Yujun (Suzhou University) Liu Chang (Nanjing University of Aeronautics and Astronautics) |
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| Abstract: | The foruth-order linearizing equation of aircraft is reduced to second-order one by perturbation methods. Approximate analytical formulate are derived for determining the longitudinal and the lateral-directional modes characteristics of aircraft. |
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| Keywords: | Perturbation methods Modes characteristics Approximate solution |
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