空间锥体目标进动周期估计

胡杰民; 付耀文; 黎湘

doi:10.3724/SP.J.1146.2007.00803

空间锥体目标进动周期估计

doi: 10.3724/SP.J.1146.2007.00803

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出版历程
- 收稿日期: 2007-05-28
- 修回日期: 2008-03-10
- 刊出日期: 2008-12-19

Precession Cycle Estimation of Cone-shaped Spatial Target

摘要

摘要: 该文通过对空间锥体目标的弹道建模，根据进动锥体目标对雷达波的姿态角计算公式，推导了目标回波RCS随姿态角余弦的计算公式。通过分析姿态角余弦的频谱特性和RCS随姿态角余弦的频率传输特性，给出RCS序列的频谱特性，并以此为特征，提出一种RCS序列进动周期估计的新方法。仿真结果验证了方法的有效性。
- 弹道导弹 /
- 平均视线角 /
- 惯量比
Abstract: In this paper, the ballistic trajectory model of cone-shaped spatial target is introduced. The RCS expression versus cosine of the aspect angle is derived based on the aspect angle expression of a precession target. The frequency transmission characteristic of RCS versus cosine of the aspect angle and the frequency characteristic of cosine of the aspect angle are analyzed. The frequency characteristic of RCS sequence is presented. Then a new method of estimating the precession cycle using the frequency characteristic is presented. Finally, a simulation result shows that the algorithm is effective.
- B /
- a

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