The fuzzy clustering analytical method based on fuzzy equivalent relation has been described in this paper, the principle, model and procedure of this fuzzy clustering analytical method are illustrated in detail. All moving targets at sea have been classified. Based on this fuzzy clustering analytical method, the maritime targets of the specific characteristics are carried out clustering analysis. The result of calculation shows that this method is feasible and effective. Target I can be judged as one aircraft carrier, target X as one oil drilling platform. Analyzing the targets further can be identified as: the targets II ,HI are two destroyers; IV, V are two frigates; VI,VII,IX are three guided missile boats; VI is an auxiliary vessel. The method can be also applied to other fields, such as biology characteristic, character identification and pattern identification etc..
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