standard deviations 中文意思是什麼

standard deviations 解釋
標準偏差
  • standard : n 1 標準，水準，規格，模範。2 旗；軍旗，隊旗；【徽章】標幟，標記；旗標，象徵。3 【植物；植物學】...
  • deviations : 差異
  1. Their heights were around four standard deviations below the 50th percentile of the normal growth curve

    他們的身高大約比正常生長曲線的第50個百分位數低4個標差準。
  2. The probability of normal r. v. with absolute value less then and equal to one, two, and three unit standard deviations are calculated from error function, the cumulate probability distribution of normal density

    常態分佈隨機變數絕對值小於等於一個、兩個、三個標準差之機率分別代入累積機率分佈函數（誤差函數）算出其對應之機率。
  3. Analysis of the area proportions and standard deviations of a certain gscc soil classified to cst showed that the lower the unit in referencing, the easier the referencing would be

    分析高山土參比後分屬的系統分類不同類型土壤面積比例及其標準偏差，表明土壤參比的單元級別越低，越易於參比和把握，進一步開展土壤系統分類的基層分類研究顯得十分必要。
  4. Biology, etc. owing to many merits has not yet been used to measure parameters of gratings. the paper researches on the subject in view of current lack of it. the main tasks of the paper include : analyzing ellipsometric characteristics of gratings in detail with vector diffraction theory and ellipsometrics ; devising a reflective quarter wave plate at normal incidence according to some ellipsometric characteristics ; making use of normal simplex algorithm during ellipsometric inversion of gratings parameters, inversing ellipsometric parameters with gaussian noise of different standard deviations to simulate actually measured values with examples of isotropic metallic and anisotropic step gratings and testing that ellipsometry about gratings parameters is feasible with the range of certain precision ; discussing choice of incidence angle at length

    本論文的主要工作包括：結合光柵的矢量衍射理論和薄膜的橢偏理論，詳細分析了光柵的橢偏特性；並且根據一些橢偏特性設計出一款正入射反射型單波長1 4波片；在光柵參數的橢偏反演中，引入正單純形法作為反演演算法，分別以各向同性的正弦形金屬光柵和各向異性的階梯型光柵為例，在標準橢偏值的基礎上加入不同偏差的高斯噪聲來模擬實際的橢偏測量值進行反演，在一定精度范圍內得出滿意的光柵參數，說明光柵參數的橢偏測量是可行的；還就入射角的選取問題進行了一定的探討。
  5. To combine it with the virtue of valuable earthquake damage experience accumulated in china and stored in damage matrix, an inversion strategy is designed to search seven ratios of 4 spectral displacements of buildings to the median values of spectral displacements of 4 damage states by the criteria of the convergence of the values of the standard deviations of the natural logarithm of the spectral displacements of four damage states as the objective function, a hybrid procedure integrated the simplex with the generic algorithm is adopted and the program is updated for this purpose from an existing one

    為了說明本文方法的實用性，以xx市xxx區的多層砌體房屋為例，根據地震危險性、建築物易損性、建築物和室內財產損失率、人口死亡率，分別計算出房屋、室內財產的期望損失率和損失率的方差、人口的期望死亡率和死亡率的方差，得到純費率，設附加費率為純費率的一定比例，求得毛費率。
  6. Under this condition, the linear range, the limits of detection, the recoveries, the relative standard deviations of the method to every component have been carried on

    進樣口溫度220 ，檢測器溫度250 。在此條件下，對各組分進行了方法的線性范圍及檢測限，方法的準確度，方法的精密度測定。
  7. On the basis of the authors ’ results published in this journal [ 67 ], this paper further proposed two strategies which improved both quality and speed of fractal encoding : one, a priori adding additive white gaussian noise into the image being encoded to reduce the domain blocks that are unlikely to meet the constraint on contrast scaling factors ; the other, range blocks with small standard deviations are directly approximated by the constant block ( i. e., all the

    在筆者原有結果[計算機模擬， no . 8 ， 2004 ]的基礎上，本文提出進一步提高解碼圖像質量和編碼速度的方案:一是預先在待編碼圖像中添加高斯白噪聲以進一步減少不滿足對比度因子約束的domain塊的數目;二是對小方差range塊直接用其均值塊代替以進一步加快編碼速度。
  8. On the basis of fault classification, the output voltage waveforms are divided into sub - waveforms by the counts of rectifier voltage pulse waves, then the sub - waveforms are further classified by real time measurement of voltage, taken from sub - waveform sampling points ' average values and standard deviations, thus tin fruit waveforms can be described by pattern vectors

    在對各種故障進行分類的基礎上提出根據整流電壓的脈波數將輸出波形分段，通過即時監測各波段電壓采樣均值和標準差，對各段電壓波形進行分類，從而將故障波形用模式向量表示。
  9. Vibration equations of contact wires were used to derive the formulae for calculation of mean and standard deviations of stresses

    摘要根據接觸懸掛系統中的接觸線振動方程，推導了接觸線應力的均值和方差的計算公式。
  10. Estimates of bearing and elevation and the standard deviations of the measurements, which are monopulse processing ' s results in ecm, are given. the measurements of simulation is the basis of processing tracking algorithm

    通過建立相控陣雷達的模擬模型，給出了ecm存在時單脈沖測角的目標的測量角度和誤差方差。觀測模型的建立為目標演算法的進行奠定了基礎。
  11. The optode shows a satisfactory linear response for the dissolved oxygen in water ( r = 0. 9992, n = 6 ) the relative standard deviations were 1. 7 % 5. 0 %, the detection limit was 0. 03 11 g / ml ( sfn = 3 ). the exposure time and recovery time of the optode membrane are 30s and 90s respectively. the reversibility of the fluorescence signal was evaluated by alternate measurements in oxygen saturated water and nitrogen - purged water

    7 5刀之間，最低檢出限為0刀3pg il ；考察了標準海水中主要離子濃度放大1倍后的樣品溶液、鹽度在0 49范圍內的人工海水，以及ph在l 13范圍內的緩沖溶液等干擾因素的對膜響應的影響，結果無顯著性干擾；將本法與國標法相比較，驗證了方法的可用性，最終用於在線監測海水中的溶解氧。
  12. According to the ideas of the pava algorithm, when sample numbers of three normal populations are different, a procedure of obtaining the maximum likelihood estimators of means and standard deviations under tree - order restrictions is proposed

    根據pava演算法的思想，給出了均值和標準差的比在樹序約束下的極大似然估計的計算方法。
  13. The mean of the intraclass standard deviations of the features is used as a weighting factor during the classification process to improve recognition accuracy. the system is rigorously tested under different conditions, including using different number

    該系統使用不同行數的訓紈集和不同字號的文檔進行了測試，結果表明， tsirikolias mertzios矩利加權規格化生相關提供了最好的識別率。
  14. Suppose you calculate and compare the standard deviations of randomly chosen one - stock portfolios, two - stock portfolios, five - stock portfolios, etc

    假設你計算和比較了隨機選擇的一支股票組合（即組合只有一支股票） 、兩支股票組合、五支股票組合等等。
  15. To illustrate and validate the method developed in this paper, 4 spectral displacements of buildings corresponding to 4 intensities, 4 median values and 4 standard deviations of natural logarithm of spectral displacements

    與再保險不同，發行巨災債券沒有任何信用風險，不需要對發生的損失進行賠償，可降低保險商破產的概率和損失。
  16. Take a look also at table 7. 4, which shows the standard deviations of some wellk - nown stocks from different countries and of the markets in which they trade

    再看看表格7 . 4 ，顯示了不同國家的某些著名股票以及它們交易的市場的標準差。
  17. A likelihood ratio test of equality of two normal population means under condition of equality of proportions of means and standard deviations

    兩個正態總體均值在均值和標準差比等值條件下的似然比檢驗
  18. The conclusions were as follows : 1. somatization, anxiety and depression did not enter hypothesized structural model and their standard deviations are very large

    結果表明： 1 ）抑鬱、焦慮和軀體化未進入結構方程模型，標準差較大，不適合測量大一新生的身心健康。
  19. 18these standard deviations are also calculated from monthly data

    18這些標準差也是從月度數據計算得出。
  20. For three normal populations with unknown means and variances, assume that there is a tree - order restriction between ratios of means and standard deviations

    摘要考慮3個正態總體均值和方差都是未知參數及所取的3個正態總體樣本數不等時，均值和標準差的比在樹序約束下的極大似然估計。
分享友人
分享到 Line

分享到臉書