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An intercept guidance law based on motion camouflage strategy is proposed in this paper. According to the relative position between a missile and a target, the dual second order dynamics model is derived, and the missile interception conditions are given based on this model and the characteristics of the motion camouflage strategy. Then, the three-dimensional guidance law is derived by using the interception conditions and the motion relation of the missile and the target. In the process of derivation，the three-dimensional guidance law can be designed in a two-dimensional plane and the difficulty of guidance law design is reduced. A two-dimensional guidance law for three-dimensional space is derived by introducing the estimation for target maneuver. Finally, the interception simulation for the proposed guidance law is taken and compared with pure proportional guidance. The simulation results demonstrate the accuracy and the effectiveness of the proposed guidance law. [ABSTRACT FROM AUTHOR]