標化均數差值 的英文怎麼說
中文拼音 [biāohuàjūnshǔchāzhí]
標化均數差值
英文
standardized mean difference-
And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed
研究結果如下：首先針對荒漠化地區的地物特徵，對高光譜數據不同波段的數據質量、波段組合進行了評價，提出了適用於荒漠化監測的基本波段選擇集；初步了解和掌握了研究地區的地物光譜特性及變異規律，進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎；發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象，對于譜形相似而整體反射率的值相差較大的兩類地物，通過引入均值和方差圖像參與分類得到解決；研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段，這些波段與植被生物量和蓋度都有密切的關系，是開展精細植被分類研究和植被定量反演的重要基礎；像元的導數光譜分析可以消除土壤背景的影響，是進行植被生物量和蓋度定量反演的有力工具；建立了荒漠化監測主要評價因子的定量反演模型，並分析了模型的適用性。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。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。Mean, stddev, heterogeneity coefficient and fraction dimension are the indices for evaluating the scaling method in object - oriented image analysis. the change trend of these indices corresponding to segmentation scales is used to judge the validity. in this thesis, object - oriented image analysis is introduced fully
6 .提出可以用影像對象的均值、標準差、異質性系數與分形維數作為評價面向對象尺度轉換的指標，根據這四個指標隨尺度的變化趨勢分析尺度轉換方法的合理性。From 1992 to 2000, while the elasticity of the country ' s administrative expenditure and of the sampled provinces is larger than 1 in 6 years, the elasticity of the nonprofit institution maintenance expenditure is larger than 1 in 2 years of the whole country, and in 4 years of the sampled provinces ; ( 5 ) the local fiscal expenditure structures are differentiated among the different regions, with the characteristic of the different local fiscal expenditure quotas per capita ; ( 6 ) the supply mechanism of the local finances is out of performance, and the resource allocation function of the local finances is obscure, with the functional scope and expenditure responsibility not adapted to the market economy ; ( 7 ) the problems of local public finance sustaining agriculture investment are as follows : first, the gross of the fund that local public finance sustaining agriculture is shortage
1992 ? 2000年，全國地方財政行政管理費（含公檢法支出）支出彈性， 9年的數值有6年在1以上；樣本省區9年的平均數值有6年在1以上。全國地方財政各類事業費支出彈性， 9年的數值僅有2年在1以上；樣本省區9年的平均數值有4年在1以上。 （ 5 ）不同地區財政支出結構差異大，主要表現在地方財政支出水平在不5 、論文針對實現地方對政支出結構持續優化的預期目標的需要，系統地研究提出了適宜的政策措施『所提出的政策措施主要是: （ 1 ）轉換政府職能，調整地方財政使用方向。With process data of blast furnace no. 1 in tianjin iron plant, the parameters, ru and sita, of model have been optimized based on criteria of predictability, hit ratio, direction hit ratio and mean sum of square error according to each variable respectively
以可預測率、預測命中率、趨勢預測命中率及平均誤差平方和為評價標準，確定了各影響因素的警戒參數ru和濾波參數sita的優化值范圍。In geometry fitting, we introduce the scattered data interpolation technology, and by using the corresponding points on the shared boundary between the given facial mesh and the organ to be pasted, the facial mesh can be automatically fitted to the organ to be used. and in texture fitting, we extend the improved field - based morphing algorithm to the corresponding texture map, and with the preprocessing of the histogram - matching method we can obtain smooth replacing result in the texture map
在紋理上，將改進的場變形演算法拓展到人臉模型對應的紋理圖上，不但完成了紋理圖中對應器官區域的替換，同時通過引入以點到邊界距離的函數為權重的線性插值，實現了在替換器官區域從目標圖像到源圖像的均勻過渡；又通過引入直方圖規定化的技術，解決了由於膚色相差較大而產生的邊界不能平滑過渡的問題。Based on the theory of stochastic finite element, the structural parameters of frame - shear structure including stiffness and mass and damping are simulated to be stochastic variables. by solving recurrence equation of stochastic finite element, the duration curve of mean value and standard deviation of seismic response can be obtained for every floor of frame - shear structure. an analysis is thus given to the effects of independent variation and simultaneous variation of structural parameters on the seismic dynamic response of frame - shear structure. as shown by the results, with regard to frame - shear structure, the effect of variation of strucural parameters on the change of mean value are chiefly the increase of standard deviation of response. variation of stiffness will cause the response of frame - shear structure to variate greatly ; variation of mass shows less effect ; and variation of damping shows insignificant effect. the effects of simultaneous variation of various structral parametres on seismic response are only slightly greater than the effect of stiffness variation alone
以隨機有限元理論為基礎，將框剪結構的剛度、質量、阻尼等結構參數為隨機變量.通過求解隨機有限元的遞推方程，得到框剪結構各層的地震動力響應均值和標準差歷時曲線.分析結構參數單獨變異，以及同時變異對框剪結構地震響應的影響.研究結果表明，對框剪結構而言，結構參數的變異對響應的均值變化影響都不大，主要是增大響應的標準差.剛度的變異性將引起框剪結構的響應發生大幅度變異，質量的變異性影響稍小，阻尼的變異性影響不顯著.結構各參數的同時變異，對框剪結構地震響應的影響，僅比剛度單獨變異的影響稍大Optimization model of networks " roughness is established. in this model, objective function is the average scedasticity of relative error for water level and discharge. with the recorded water level and tidal data, the value of roughness is optimized
建立了以流量和水位相對均方差作為目標函數的河網糙率優化模型，並利用實測的河道水位及潮流資料，對河道的糙率取值進行了優化，所建立的糙率優化模型更加合理，計算的效率及精度大大提高了。Based on the theory of regional economic discrepancy, the paper will give a numerical discription of the conditions of discrepancy by per capita gdp and appraise the absolute discrepancy by range at the some time, and appraise the relative discrepancy by extreme value relative range > coefficient of variation > weighted coefficient of variation
論文以區域經濟發展差異理論為基礎，使用人均gdp等指標來量化地區經濟發展水平差異狀況，用極差來衡量區域經濟絕對差異，用極值相對差、變異系數、加權變異系數來衡量區域經濟相對差異。Methods : the experts consultation method based on information of investment and financing of public health in rural areas of hunan was used to establish the indexs which were then being dimensionless by pole - differential and then weighted average method was used to process the practical data of 14 regions in hunan province
方法：本文在廣泛收集我省農村公共衛生投融資方面的資料數據的基礎上，運用專家咨詢法確立符合本研究領域特徵的指標體系和指標權重，並運用極差法對實際數據進行無量綱化處理，採用加權平均法計算出我省14個地州市的區域分類標志值。分享友人