Assessment Method of Torpedo Overall Schemes Based on Principal Component Analysis
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摘要: 将主成分分析方法应用于鱼雷总体方案评价中, 得到了与实际一致的结果, 证明了该方法的有效性。结合算例研究了主成分分析方法, 提出了传统主成分分析法在应用中的3个不足之处: 一是参数标准化方法的不足, 对效益型指标和成本型指标没有区别处理; 二是评定结果的物理意义不明确; 三是主成分提炼过程中存在部分信息损失。这些不足有待于进一步研究。Abstract: Three torpedo overall schemes are analyzed and assessed with principal component analysis(PCA), and the results coincide with practical situation, verifying the effectiveness of PCA in this study. However, according to the as-sessment results, the PCA method is analyzed, and three insufficiencies of traditional PCA in practical application are found, i.e.: 1) parameters standardization does not consider the difference between efficiency-based indexes and cost-based indexes; 2) assessment result is lack of physical meaning; 3) part of information is lost during the principal component extraction process.
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Key words:
- torpedo /
- principal component analysis /
- overall scheme /
- assessment
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