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空域利用率是反映空域资源使用情况的重要指标。提出了基于主成分分析法和灰色关联度的空域利用率评价方法,确定理想空域并将其作为参照对象,通过考虑评价指标之间的相关性,运用主成分分析法得到各评价对象的空域利用综合得分,计算各年空域利用综合得分与理想空域利用综合得分的关联度,得到各年空域利用率。算例分析验证了方法的可行性。
Airspace utilization is an important indicator of the use of airspace resources. Airspace utilization evaluation method based on principal component analysis and gray relational degree is proposed to determine the ideal airspace and use it as a reference object. By considering the correlation between evaluation indexes, the use of airspace of each evaluation object is obtained by principal component analysis According to the comprehensive score, the correlation between the comprehensive score of airspace utilization and the ideal comprehensive utilization of airspace is calculated, and the airspace utilization rate is obtained in each year. The example analysis verifies the feasibility of the method.