deviation coefficient造句
例句與造句
- 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)險的度量”分為三個小節(jié)： 1 、討論單個證券風(fēng)險用標準差( ) 、方差( ~ 2 ) 、變差系數(shù)( cv )以及系數(shù)度量，構(gòu)造了單個證券的投資風(fēng)險統(tǒng)計指標體系； 2 、討論了用標準差和方差、方差?協(xié)方差矩陣、方差?協(xié)方差矩陣的特征值來度量組合證券的投資風(fēng)險； 3 、計算了衡量證券組合系統(tǒng)性風(fēng)險的系數(shù)值，并分析了系數(shù)的含義和預(yù)測能力的可靠性。 - 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種檢測信息聲速、波幅、頻率和波形，從中提取3個特征量：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grc 、加氣混凝土、空心磚、實心磚、砌塊5種墻體材料進行種類識別，形成一個智能化的、具有類似人腦功能的系統(tǒng).經(jīng)現(xiàn)場實測證明，判別的準確率達95 %以上。 - It's difficult to find deviation coefficient in a sentence. 用deviation coefficient造句挺難的