摘要
国产军用飞机有相当部分机型是通过仿制与改型研制的,这样的样本不能直接用于新研型号研制费用的统计分析。为了弥补当前国产军用飞机研制费用建模样本的不足,以国产4个机种17个机型的改型研制工作量和改型费用数据的统计为基础,定义了修正类比函数,构建了函数形式,进而根据统计数据给出了函数的参数估计,用于修正仿制与改型型号的研制费用。进一步利用偏最小二乘回归方法的数据分析工具对结果进行了验证。
A large parts of home - made military aircrafts are developed through imitation and modification; their R＆D cost can not reflect the truth when they are developed as a new type. So, these data can not be used directly in the study of R＆D cost for a new type. In order to apply these data reasonably, a modification function is defined based on the statistic data of 17 homemade aircraft types. Then, according to the statistic data of home - made air-crafts, the parameter′s value of the modification function is evaluated and the modified R＆D cost for the Imitated and Modified Aircrafts is calculated. Finally, the results are validated by using the Partial Least - Squares Regres- sion （ PLSR）.
出处
《空军工程大学学报（自然科学版）》
CSCD
北大核心
2008年第2期10-13,共4页
Journal of Air Force Engineering University(Natural Science Edition)
关键词
军用飞机
研制费用
类比修正函数
military aircraft
research and development （R＆D） cost
modification function
