deviation coefficient中文什么意思

發(fā)音:

用"deviation coefficient"造句

自差系數(shù)

deviation: n. 1.脫離，越軌，背離 (from) 。 2.偏向， ...
coefficient: adj. 共同作用的。 n. 1.共同作用；協(xié)同因素。 ...
coefficient of deviation: 偏差系數(shù)，漂移系數(shù); 自差系數(shù)
approximate coefficient of deviation: 自差近似系數(shù)
coefficient of average deviation: 平均差系數(shù)

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例句與用法

Discusses the characteristic values on individual stock risk with the standard deviation , variance ( 2 ) , standard deviation coefficient ( cv ) and coefficient measurement , construct the individual on stock ' s statistics index system on investment risk . 2 . discuss the characteristic of standard deviation , variance , variance - covariance matrix to measure the investment risk of stock portfolio
第二章“證券投資風(fēng)險(xiǎn)的度量”分為三個(gè)小節(jié)： 1 、討論單個(gè)證券風(fēng)險(xiǎn)用標(biāo)準(zhǔn)差( ) 、方差( ~ 2 ) 、變差系數(shù)( cv )以及系數(shù)度量，構(gòu)造了單個(gè)證券的投資風(fēng)險(xiǎn)統(tǒng)計(jì)指標(biāo)體系； 2 、討論了用標(biāo)準(zhǔn)差和方差、方差?協(xié)方差矩陣、方差?協(xié)方差矩陣的特征值來(lái)度量組合證券的投資風(fēng)險(xiǎn)； 3 、計(jì)算了衡量證券組合系統(tǒng)性風(fēng)險(xiǎn)的系數(shù)值，并分析了系數(shù)的含義和預(yù)測(cè)能力的可靠性。
Three characteristic features , such as average velocity of sound , deviation coefficient of sound velocity , and deviation coefficient of amplitude are extracted from four kinds of testing data which are sound velocity , amplitude , frequency and waveform in this paper . fuzzy analysis and artificial neural network are combined to form an intelligent system with similar functions to human brain to classify grc , aerated concrete , hollow brick , solid brick and concrete block . the accuracy of this system is up to 95 % in field tests
由超聲脈沖法獲得4種檢測(cè)信息聲速、波幅、頻率和波形，從中提取3個(gè)特征量：平均聲速、聲速的離差系數(shù)和波幅的離差系數(shù)，利用模糊分析方法和人工神經(jīng)網(wǎng)絡(luò)相結(jié)合對(duì)grc 、加氣混凝土、空心磚、實(shí)心磚、砌塊5種墻體材料進(jìn)行種類識(shí)別，形成一個(gè)智能化的、具有類似人腦功能的系統(tǒng).經(jīng)現(xiàn)場(chǎng)實(shí)測(cè)證明，判別的準(zhǔn)確率達(dá)95 %以上。

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deviation coefficient中文什么意思

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