Abstract: To enhance the reliability and effectiveness of ship magnetic protection capability evaluation, thereby facilitating better magnetic stealth strategy formulation and improved survivability, a study on objective weighting methods for the evaluation indicators of ship magnetic protection capability was conducted. To address the issue of obtaining objective weights for these indicators, the entropy weight method and the Criteria Importance Through Intercriteria Correlation (CRITIC) method were employed for weight assignment. The applicability of these two objective weighting methods in the evaluation of ship magnetic protection capability was analyzed. Furthermore, the impact of variations in the volume of indicator data on both weighting methods was investigated. The research demonstrates that changes in the amount of indicator data have a relatively minor impact on the CRITIC method. As the data volume changes, the maximum average relative error of the weighting results obtained by the CRITIC method is only 2.19%, with a maximum standard deviation of merely 0.002 5. Case analysis indicates that the weighting results of the CRITIC method are more stable than those of the entropy weight method, making it more suitable for the objective weighting of evaluation indicators for ship magnetic protection capability.

Key words: entropy weight method, criteria importance through intercriteria correlation (CRITIC) method, magnetic protection capability evaluation, Monte Carlo simulation, applicability analysis

摘要： 为了提升舰船磁防护能力评估结果的可靠性和有效性,以更好地制定舰船磁隐身策略并提高生命力,该文进行了舰船磁防护能力评估指标的客观赋权方法研究。针对舰船磁防护能力评估指标的客观权重计算问题,分别利用熵权法和CRITIC法为指标赋权。为分析2种客观赋权法在舰船磁防护能力评估中的适用性,进一步研究了指标数据量变化对2种赋权方法的影响。研究表明：指标数据量的变化对CRITIC法影响较小,随数据量的改变,CRITIC法赋权结果的最大平均相对误差仅为2.19%,最大标准差仅为0.002 5。实例分析表明,CRITIC法的赋权结果比熵权法更稳定,更适用于舰船磁防护能力评估指标的客观赋权。

关键词: 熵权法, CRITIC法, 磁防护能力评估, 蒙特卡罗仿真, 适用性分析