method of principal components造句
例句與造句
- Face recognition method of principal component analysis and back - propagation neural network
神經(jīng)網(wǎng)絡的人臉識別方法研究 - A synthetic method of principal component analysis ( pca ) and cluster analysis is presented to evaluate and classify the regional logistics development in provincial logistics planning
摘要提出利用主成分聚類分析的方法對省域物流規(guī)劃中各地區(qū)的物流發(fā)展進行綜合評價并分類。 - Besides the construction methods of the yield curve of the treasury securities , this paper also investigates the dynamic yield curve , making an empirical study on the dynamics of the yield curve in two periods by the method of principal components analysis
除了研究國債收益率曲線的構(gòu)造方法外，論文還對動態(tài)國債收益率曲線進行了研究，采用主成分分析法對中國國債收益率曲線在兩個時期的動態(tài)性進行了實證分析。 - This paper intends to give the methods of principal components analysis for the instant planar data and global principal components analysis for the multidimensional dynamic data system in the environmental evaluation , especially focuses on the synthesis and simplification of the sequential solid datasheet , then gets the satisfied result in the examination
摘要給出在環(huán)境質(zhì)量評價中對即時性平面數(shù)據(jù)的主成分分析方法與對多維動態(tài)數(shù)據(jù)系統(tǒng)的全局主成分分析方法，著重介紹了對時序立體數(shù)據(jù)表進行立體式的綜合與簡化，并應用于具體的實例，得到很好的結(jié)果。 - Based on a systematic investigation on the predatory natural enemy community in cotton fields to the north of the huaihe river of anhui province , the methods of polar ordination ( po ) and fuzzy cluster analysis ( fca ) were employed to study the dynamic classification of predatory natural enemy community in cotton fields and the method of principal component analysis ( pca ) was employed to study the major stages of change of predatory enemy community in cotton fields during the process of cotton growth and development
摘要在對安徽省淮北棉田捕食性天敵群落進行系統(tǒng)調(diào)查的基礎上，采用極點排序和模糊聚類分析方法，研究了棉田捕食性天敵群落的動態(tài)分類；采用主成分分析方法，研究了棉田捕食性天敵群落在棉花生長發(fā)育過程中演變的主要階段。 - It's difficult to find method of principal components in a sentence. 用method of principal components造句挺難的
- In this article , the authors established a layered evaluation indexes system of coordinated development and used the weighting method of principal component and kantiray to synthesize indexes according to the real status of coordinated development of resources , environment and economy in anhui province during the 1990 - 2005 periods , and also established mathematical model according to the meanings of coordinated development to evaluate the degree of coordinated development of resources , environment and economy in anhui province from the angles of degree of coordinating , degree of coordinated development and index of coordinated development trend
摘要以系統(tǒng)科學思想為基礎，根據(jù)1990 - 2005年間安徽省的資源、環(huán)境與經(jīng)濟發(fā)展的實際情況，構(gòu)建了一套分層次的協(xié)調(diào)發(fā)展評價指標體系，并運用主成分方法、坎蒂雷賦權法將相應層次的指標進行綜合，根據(jù)協(xié)調(diào)發(fā)展的含義建立數(shù)學模型，從協(xié)調(diào)度、協(xié)調(diào)發(fā)展度、協(xié)調(diào)發(fā)展趨勢指數(shù)的角度定量分析了安徽省資源、環(huán)境、經(jīng)濟系統(tǒng)協(xié)調(diào)發(fā)展的狀況。 - Using the method of principal component analysis , the principal component is extracted from twelve growth grade of foot hones , and the regression of the principal component is followed , then the regression of partitoning age group is conducted , finally table of the bone - age coefficient for determination of person ' s age is obtained
摘要運用主成分分析法提取了十二種足骨發(fā)育等級的主分量，接著進行主分量回歸，然后再進行分年齡段回歸，可得用于年齡鑒定的骨齡系數(shù)表。