Abstract

In attacking a large ship such as an aircraft carrier, if the fuze is able to estimate the point of impact (POI) of the anti-ship missile at the end of the trajectory in real time, combined with the POI to control the different standoff, the damage effect can be effectively improved. Given that the sea surface and the deck have different reflectivity when irradiated by a laser with a wavelength of1.06μm, this paper proposes a method for predicting the POI of an anti-ship missile by making use of known typical target geometic features, CEP and laser fuze detection information. Firstly the reflection characteristics of the sea surface and the deck were tested at a wavelength of 1.06μm and the experiment proved that the reflectivity of the sea surface and the deck are significantly different. On this basis, the geometric features model of a typical target and the ideal missile-target distance model were established, and the missile-target distance model in consideration of CEP was further derived. Combined with the target geometric features, CEP and the detection information of the four-way laser detection device, Monte Carlo method was used to simulate the prediction of POI of the anti-ship missile. The simulation results show that the method can effectively predict POI of the anti-ship missile. It was also shown that the POI prediction accuracy of the anti-ship missile can be effectively improved by analyzing the detection information of the multiple ballistic experience points of the anti-ship missile, and the uncertainty of POI prediction can be reduced.

Full Text
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