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目的研究现役红外末制导反舰导弹对舰船目标高度的识别方法，从而为此类导弹的最佳命中点选择奠定基础．方法根据实际使用的导引头的技术条件，建立识别目标高度所需的数学模型，然后利用推广卡尔曼滤波理论识别目标高度．结果根据导引头的技术数据进行了大量的仿真试验，得到了目标高度的识别误差小于０．９ｍ的仿真结果．结论推广卡尔曼滤波识别目标高度的方法是选择最佳回调规律及确定最佳命中点的一种新方法．
Aim To study the method to identify the target height of the active duty infrared guided anti-ship missile in order to lay the foundation for the selection of the best hit point for such missiles. Methods According to the actual technical conditions of the seeker, the mathematic model needed to identify the target height was established, and then the target height was identified by using the extended Kalman filter theory. Results Based on the technical data of the seeker, a large number of simulation experiments were carried out, and the simulation results of the target height less than 0.9m were obtained. Conclusion The method of using extended Kalman filter to identify target height is a new method to select the best callback rule and determine the best hit point.