均值離差 的英文怎麼說

中文拼音 [jūnzhílíchā]
均值離差 英文
deviation from mean
  • 均 : Ⅰ形容詞（均勻） equal; even Ⅱ副詞（都; 全） without exception; all
  • 離 : Ⅰ動詞1 （離開） leave; part from; be away from; separate 2 （背離） go against 3 （缺少） dispens...
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 均值 : [數學] mean value
  1. The accelerometer bias errors result in an average constant offset plus an oscillatory component.

    加速度計的偏置誤差形成一平均的常值偏離加上一振蕩分量。
  2. And then, some common methods of gdm, such as the ahp method, the weighted geometric mean method ( wgmm ), the borda - kendall method, the minimum variance ( mv ) method, the clustering analytic method, the cook - seiford distance measure, cb measure, the maximum and the minimum expected values, the concordance and discordance indices, etc., are used to discuss some consensus problems of gdm, including the consistency of the complex judgment matrix in ahp, the consensus methods of the aggregation of individual preferences ; the aggregation of analytic hierarchy process methods based on similarities in decision makers " preferences, a consensus measure on multiple criteria group decision making

    接著本文採用了群體決策中常用的一些方法（如： ahp法，加權幾何平均法， borda - kendall方法，最小方差法，聚類分析法， cook - seiford距離測度法， c _ b測度法，最大最小期望值法，一致性非一致性指標法等）對群體決策中的幾個一致性問題進行了研究，這些問題包括： ahp中復合判斷矩陣的一致性，個體偏好序集結的一致化方法，基於決策者偏好相似性的層次分析模型的集結中的一致性問題和多準則群體決策的一致性測度。
  3. Using ansys as analysis tool, and the influence of river water fluctuating on geoelectric observation data in different distance from riverway to geoelectric monitoring observe station is numerically simulated, and the relationship between error of observation data and distance from riverway to the stations is summarized

    摘要利用ansys作為分析平臺數值模擬了觀測系統距河道不同距離情況下，由河水漲落引起的淺層局部電性非均勻性對地電觀測數據的影響，總結了觀測系統距河道遠近與觀測數據誤差大小的關系。
  4. Standard deviation in statistics, a measure of the dispersion of a frequency distribution : it is the average magnitude of deviations from the center of normal curve, calculated by squaring all the deviations, calculating their mean, then finding the square root of the mean

    標準偏差：統計中，一種衡量數據組分佈的分散或變化情況的數據，是偏離正態分佈中間位置數據大小的平均值。
  5. Specially, based on risk - metric and factor variables, the author discusses multi - factor asset pricing model. in theoretical analysis, the author attempts to release the assumption of index ' s random walk, proves a portfolio selection model suitable for the linear index level moreover, based on assets un - exchangeable, the author brings forward asset pricing models for b - shares, h - shares and non - circulated - shares. the author also brings forward multi - factor asset pricing model based on risk - metric indices, such as coefficient of beta, standard variance, standard semi - variance, average absolute deviation, value at risk, and factor variables, such as circulated market equity, exchange ratio, short - term historical return

    在理論分析時，作者嘗試放鬆指數水平滿足隨機遊走過程的假設，推導出指數水平呈線性趨勢的資產組合選擇模型；此外，作者基於資產不可交易這一假設，提出了b股、 h股和非流通股等情形的資產定價模型，並基於系數、標準差、標準半方差、平均絕對離差和風險價值等風險度量指標以及流通市值、換手率、短期歷史收益率等因素變量提出了四因素資產定價模型。
  6. On the one hand, the author discusses markowitz ' s mean - variance portfolio selection model, single - index portfolio selection model, and simplified model of optimal portfolio selection. at the same time, based on the rules of optimal portfolio selection and other risk - metric indices, the author also discusses mean - absolute deviation model, mean - semivariance model and mean - value at risk model. on the other hand, the author discusses the asset pricing model, including the capital asset pricing model ( capm ), the multi - factor asset pricing model, and the arbitrage pricing model ( apt )

    一方面，作者討論了馬科維茲的均值-方差資產組合選擇模型、單指數資產組合選擇模型、最優資產組合選擇的簡化模型，同時根據最優資產組合選擇原則和其他風險度量指標，討論了均值-絕對離差、均值-半方差和均值-風險價值資產組合選擇模型；另一方面，作者討論了資產定價模型，包括多因素資產定價模型和套利定價模型，特別是在四種因素變量的基礎上，探討多因素資產定價模型。
  7. Another advantage, contrast to using convolutional codes or turbo codes, is its low complexity while maintain high ber performance because the check equations are used to terminate the both iterations. we develop the theoretical error free feedback bound for bpcm - id and predict the threshold for decder convergence using the extrinsic information ransfer chart ( exit )

    利用非正則ldpc具有不同度的信息節點概率密度演化的差異，對高階星座中具有較高級別的子通道提供額外的保護，可使迭代反饋判決時，星座子集擁有最大的無錯反饋歐氏距離調和均值，從而改善系統的迭代收斂特性。
  8. In the paper, with system energy balance method and heat conductive equations ， on tne basis of short time heat transfer modeling established the long time modeling, considering heat interference in thermal well group. this paper used the finit element method for element division and computer analysis, and provided the operation temperature figure. acquired computation values agreed well with experimental results, the most difference between them was 5. 13 %

    本文採用系統能量平衡結合熱傳導方程，在淺埋套管式換熱器短期傳熱模型基礎上建立了長期傳熱模型，並考慮了管群熱干擾對模型的影響。並運用有限單元法軟體編程進行離散和計算機分析，得出模擬溫度場，其模擬值與實測的均值基本相符，兩者最大誤差小於5 . 13 % ，表明該模型具有一定的合理性和實用意義。
  9. The new ways that solve multiple objectives decision making under risk into probability permanent type : decision making diagram method, matrix analysis method, multiple objectives markov method, the shortest distance method, successive type variation multiple objectives decision making under risk method and fuzzy analysis decision making method. 3. the new modes that solve multiple objectives decision making under risk into probability interval type and uncharted type : weighted method and sorting method 4 the new repent average value criterion that handle multiple objectives decision making under risk into probability uncharted type and generalizing the criterions that have been used into one objective decision making under probability into uncharted type to multiple objectives decision making under probability into uncharted type. 5. giving the error analyses method and decision result regulating method that been used into multiple objectives decision making under risk

    2 、探討了『決策圖法』 、 『矩陣法』 、 『多目標馬爾科夫法』 、 『最小距離法』 、 『連續型變量的多目標風險型決策法』和『模糊分析決策法』等解決概率固定型的多目標風險型決策的新方法。 3 、探討了『加權法』 、 『排序法』兩種解決概率區間型和未知型的多目標風險型決策的方法； 4 、在概率未知型的多目標風險型決策中改進了『後悔值準則』 ，提出了『後悔均值準則』 ；並將單目標概率未知型風險型決策的準則推廣運用到多目標概率未知型的風險型決策中去； 5 、探討了多目標風險型決策方法誤差分析及決策結果值調整的方法。
  10. This gives a value, which is the point of maximum slope either side of the center of the curve

    等於與該分佈的算術中平均數之間離差其平方的算術平均數的平方根? ?值，即正態分佈曲線任一側的斜率的最大值。
  11. The formulas for computing mean and deviation of the average consolidation degree of double - layered soil are derived as vertical coefficient of consolidation submitting to gamma distribution. with these formulas, the influence of geotechnical auto - correlation distance to the probability characteristics of consolidation degree is studied. it shows that along with the rising of auto - correlation distance, the sensitivity of probability characteristics of consolidation degree to auto - correlation distance is falling

    當豎向固結系數為gamma分佈時，推導了雙層地基平均固結度均值和方差的計算公式：利用該公式分析了土性自相關距離對平均固結度概率特性的影響，結果顯示，自相關距離越大，平均固結度的概率特性值對自相關距離越不敏感。
  12. It can be seen from the measuring results that the deviation is litter than 10. 1 % when the estimate value of the nature radiation ' s kerma is compared to the average value gotten by standard ionization chamber, and the deviation is less than 16. 2 % when the estimate value of two groups of tlds those measuring radiation in laboratory is compared to the conventional true value in standard radiation field

    從參比單位給出的測量結果看出，天然環境輻射比釋動能測量的評定值與標準電離室測量的平均值比較，其偏差好於10 . 1 % ，實驗室射線照射組兩組熱釋光劑量計（ tld ）測量評定值與標準輻射約定真值偏差好於16 . 2 % 。
  13. Since 1952 the markowitz ’ s mean - variance portfolio theory inception, sur - rounding this issue which how to measure risks, it has generated a lot of risk mea - surement methods and bring a lot of portfolio models, such as mean - semivariancemethods, mean - downside risk methods, mean - absolute deviation methods, mean - absolute semideviation methods, mean - absolute downside risk, and soon. 1999, duarte proposed a portfolio optimization uniform model that unifiedthe six methodologies mentioned above

    自從1952年markowitz的均值-方差投資組合理論問世以來，圍繞著如何對風險進行度量這一問題先後產生了許多的風險度量方法，帶來了很多的投資組合模型，如均值-半方差法、均值-下滑風險方法、均值-絕對離差方法、均值-絕對半離差方法、均值-絕對下滑風險方法等等。
  14. In the course of design, we fully consider the actual conditions on the railway and take a series of corresponding measures to the concrete problem. such as we select high - accuracy microconvertor and have the converted function in succession data collecting system chip aduc812, design v / f circuit and external a / d circuit. in anti - interference of the hardware, we try to disperse each function module to avoid interfering each other, adopt photoelectric isolated technology to dispel the circuit connection of input and output. in controlling we import arithmetic mean into strain wave algorithm and real computing technology of virtual value for sample treatment of data, that is using the software to smooth away interfere error and to calculate actual value, thus it makes the precision of the data improve greatly

    在設計過程中，根據系統要求，充分考慮鐵路上的實際情況，針對具體問題採取了一系列的相應措施，如在器件選擇方面選用高精度microconvertor系列、具有adcdma連續轉換功能的數據採集微控制器晶元aduc812 ，設計了v f變換電路和外部a d轉換電路；在硬體抗干擾方面，將每個功能模塊盡量分散獨立開來以避免相互干擾、採用光電隔離技術消除輸入輸出通道上的電路聯系；在控制方面對于采樣數據的處理引入了算術平均值濾波演算法和真有效值的計算方法，即通過使用軟體來濾除系統中有干擾造成的誤差並計算真值，從而使數據的準確性得到極大地提高。
  15. Some parameters chain may deviate from the expectancy value or average in the supply chain, such as demand, price, cost, and so on, and then there is a variance risk

    供應鏈中的某些參數，如需求、價格、成本等可能偏離供應鏈的預期值或者平均值，這就產生了供應鏈方差風險。
  16. It comes up with a new notion, d - solution, which is applied to the distance estimation, by virtue of hilbert space ; furthermore, the dissertation has gained a necessary condition which is identity of minimum mean - square value in linear function classes, so that d - solution extends minimum mean - square value within the domain of nonlinear function equation or equation system ; and, the dissertation studies in detail the classical moment estimation and maximal likelihood estimation on the parameters of ar ( p ), a series of theorems in the estimation section shows the moment estimators are consistent on the ground of large samples jikewise, those distribution functions of the estimated parameters accord to maximum likelihood estimation converge gauss distribution if the white noise is gaussan

    首先，藉助hilbert空間理論，提出了距離估計的d -解，給出了d -解的必要條件，這個條件在線性函數類里即是極小二乘估計法， d -解的必要條件滿足的方程實質上將極小二乘估計法推廣到多函數及非線性函數類。再而，詳細地研究了多元弱平穩序列自回歸模型ar （ p ）的參數經典的矩的替代估計和極大似然估計，獲得矩的替代估計的一致性的結果。對基於gauss白噪聲假設多元弱平穩序列自回歸模型的均值、白噪聲的協方差陣的極大似然估計都有依分佈收斂到多元正態分佈的統計性質。
  17. They can be used to assess or predict the reliability of corroded and cracked r. c. structures in marine environment. the stochastic model for assessment of chloride concentration in concrete is built by analyzing the stochastic process of chloride diffusion in concrete and taking account of the time variation of the diffusion coefficient

    通過分析氯離子在混凝土中擴散的隨機過程，把擴散系數作為隨時間變化的函數，將混凝土表面氯離子濃度、保護層厚度作為隨機變量，建立了預測混凝土保護層中氯離子濃度分佈的隨機模型，推導出了氯離子濃度的均值和方差。
  18. The point feature weighting algorithm constructs the deviation vector using means and variances of samples, and uses the deviation vector to restrain the feature units which do harm to the classification accuracy

    逐點特徵加權演算法用樣本的均值和方差構造偏離量，對紋理特徵進行自適應加權。
  19. It can be found that the two models can measure the credit risk better and their numerical values of the var are relatively close, which means that at a certain confidence level, the portfolio ' s maximum loss calculated under the default model is familiar to the maximum loss in value resulted from the credit metrics model. however, under the default model the standard deviation of the loss of the loan is a bit more than the one which deviates from the average value of the loan under the credit metrics model ; in addition, the conclusion also demonstrates that the two models have some differences in the measuring the capital reserve to some extent

    從結果可以看出，這兩個模型均能較好地度量銀行貸款信用風險，其計算所得的var值比較接近，說明在給定置信水平下所能達到的最大損失和所能達到的價值上的損失在數值上是相近的；不過，違約模型下貸款損失的標準差要比creditmetrics模型下的貸款價值偏離其均值的標準差要大些；此外，結論還表現出二者在計量資本金要求上有所差異。
  20. This paper finds out the mean value and variance of load sequence in a period of time based on statistics and then works out the bias ratio of every point in load sequence using corresponding calculation formula and at the same time compares it with threshold value so that " unhealthy data " can be removed and accurate and effective load forecasting can be ensured

    本文利用統計學的方法，求出某段時間內負荷序列中的均值與方差，再利用偏離率的計算公式計算出負荷序列中每一點的偏離率，並與閾值相比較，從而除去「不良數據」 ，為準確有效地進行負荷預測提供了保證。
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