According to the principle of centroid jamming ,the basic condition for success of centroid jamming is ana‐lyzed .Then it is pointed out that the reasonable ship maneuver is the key to ensure the effect of chaff centroid jamming .Ship maneuvering model of centroid jamming is established according to the basic process of centroid jamming ,which is verified a‐vailability through the simulation analysis .The ship maneuvering decision model is established ,which transforms the com‐plex command decision into the quantitative calculation method ,which can provide the reliable guarantee for the commanders to make fast and accurate decision .%依据质心干扰基本原理，分析质心干扰成功的基本条件，指出合理的舰艇机动是保证质心干扰效应的关键；根据质心干扰的基本过程，建立质心干扰舰艇机动模型；通过仿真分析验证模型的有效性。建立的舰艇机动决策模型，将复杂的指挥决策转化为量化计算方法，为指挥员在各种情况下均能做出快速、精确的机动决策提供可靠保障。
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