Under the analysis of a great deal of civil aviation accident, This command assistant system is brought forward which aimed to lowed the ratio of approach and landing accident reduction.
通过对大量民航飞行事故的分析，提出了一种旨在降低进近着陆过程事故率的辅助指挥系统。
Objective Propose a method that combines the propensity score approach and non-parametric survival analysis for hazard ratio estimation in non-randomized medical researches.
目的提出一种适用于非随机化医学研究的，结合倾向指数与非参数生存分析估计风险比的方法。
In this paper we build chlorophyll-a models based on TM data, in which the traditional band ratio approach and mixing spectral analysis model were used.
由于经验模型的缺陷性，还提出了基于TM数据的水体混合光谱分析模型，同时分析了端元光谱提取方法对模型求解的影响。
应用推荐