| 再入弹头滚速过零与落点散布 |
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| 引用本文： | 黄圳圭.再入弹头滚速过零与落点散布[J].国防科技大学学报,1994,16(3):80-86 ，79. |
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| 作者姓名： | 黄圳圭 |
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| 作者单位： | 国防科技大学自动控制系 |
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| 摘 要： | 滚转弹头的再入过程中，滚速过零对落点精度影响最大。本文分析了滚速过零的机理，推导了考虑滚动阻尼影响的过零高度公式，以及滚速过零影响下的落点散布公式。最后用六自由度弹道数字仿真结果同近似计算结果作了比较，比较结果表明了近似分析的可行性。
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| 关 键 词： | 滚动再入，配平状态，过零高度，落点散布 |
| 收稿时间： | 1993/11/5 0:00:00 |
Zero Roll-Rate and Impact Dispersion of Ballistic Re-entry Missiles |
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| Huang Zhengui.Zero Roll-Rate and Impact Dispersion of Ballistic Re-entry Missiles[J].Journal of National University of Defense Technology,1994,16(3):80-86 ，79. |
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| Authors: | Huang Zhengui |
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| Institution: | Department of Automatic Control |
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| Abstract: | One of the greatest impact dispersion is caused by zero roll-rate for spinning missiles during their re-entry flights.The mechanism of roll-rate through zero is analysed.The altitude of zero roll-rate for including roll damping influence and the impact dispersion as a result of zero roll-rate are formulaed.Finally,we compare six degrees of freedom simulation results of ballistic re-entry missiles motion with the computing results of approximate formula.The comparison shows the feasibility of the approximate analysis. |
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| Keywords: | ss:spinning re-entry trim state zero roll-rate altitude impact dispersion |
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