標準差系數 的英文怎麼說

中文拼音 [biāozhǔnchāxìshǔ]
標準差系數 英文
coefficient of standard deviation
  • 標 : Ⅰ名詞1 [書面語] （樹梢） treetop; the tip of a tree2 （枝節或表面） symptom; outside appearance; ...
  • 準 : Ⅰ名詞1 （標準） standard; guideline; criterion; norm 2 （目標） aim; target Ⅱ動詞1 （依據; 依照）...
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 標準差 : aecond defense
  • 標準 : （衡量事物的準則; 榜樣; 規范） standard; criterion; benchmark; pip; rule; ètalon （衡器）; merits
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. Seventeen important morphological characters were analysed to identify and evaluate genetic diversity of morphology of the lespedeza populations. fourteen vital morphological characters were studied using basic statistics, correlation analysis, factor analysis and cluster analysis. zymograms were analysed using eighteen alleles of seven allozymes

    對14個關健形態學性狀指標的平均值、方差、標準差、變異系數等基本統計分析表明，胡枝子屬植物不同種間以及種內居群間在這14個重要形態學性狀上的遺傳差異較大，變異系數達28 . 89 122 . 36 （全生育天數除外，變異系數為4 . 72 ） 。
  2. It is shown by analyzing large test data that the empirical formula presented in the paper has higher linearly dependent coefficient, lower average relative error and relative standard deviation compared with the traditional empirical formula of orthoscopic and power function

    試驗數據表明，本文提出的經驗公式比傳統的直線式和冪函數式經驗公式的線性相關系數更高，且平均相對誤差和相對標準差都低。
  3. At the part vault and arch foot in the tunnel secondary lining thickness, the standard difference and variance parameter is large than others, so insure the part thickness achieve design require by adjust construction craftwork

    隧道二次襯砌厚度在拱頂和拱腳的部位的標準差和變異系數較大，在施工中應該考慮調整施工工藝，確保這兩個部位的厚度。
  4. 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。
  5. Second, carried out the fatigue life test of the truck ' s front axles adopted grouping fatigue life test method, calculated the results on theory of probability stats, linear fitted the fatigue life data by means of the basquin equation and least squares method, acquired the mathematical model of s - n and p - s - n curve of the front axles

    其次，採用成組試驗法，對汽車前橋進行了疲勞壽命試驗，藉助概率統計方法對試驗結果進行了分析計算，得到了各試驗載荷下的疲勞壽命的正態分佈的均值和標準差，採用basquin關系式和最小二乘法對疲勞壽命數據進行線性擬合，得到了前橋的s - n和p - s - n的關系。
  6. Based on the theory of confidence tests, the test methods for normal population characteristics are presented in this paper, which include the strong test, the weak test and the weak - strong test

    本文根據置信檢驗理論，建立了正態母體特徵值的置信檢驗方法，包括母體均值、百分位值、百分率、標準差和變異系數的強檢驗、弱檢驗和弱強檢驗，可以滿足不同的實際需求。
  7. 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。
  8. Two indexes was calculated to estimate the best bands union for color combination, one is optimum index factor ( oif, the sum of standard deviation divided by the sum of correlation coefficient. ), the other is the determinant of the co - variance matrix. it can be seen from the result that for color combination the original optimal bands were tm 4, 3, 7 and tm 4, 3, 5, the best mixed images were mnf1, br and ndvi

    以協方差矩陣行列式值和最佳指數值（組合波段標準差之和除以相關系數之和）為評價標準，得出對于tm原始波段而言，最佳的彩色合成組合是tm4 、 3 、 7和tm4 、 3 、 5 ；綜合幾種變換圖像的彩色合成的最佳組合是mnf1 、 br 、 ndvi 。
  9. The resuts showed that the annual average temperature had an increasing trend ; summer, autumn and winter average temperature also had an increasing trend and the amplitude in winter was bigger ; the change of standard deviation and coefficient of variation were acute during winter ; the coefficients was bigger ; the change of standard deviation and coefficient of variation were acute during winter ; the coefficients of skewness were positive value during summer and autumn ; the kurtosis coefficients were bigger during winter

    得出如下結論：和田地區年氣溫有增加的趨勢；夏季、秋季、冬季氣溫也有增加的趨勢且冬季氣溫值增幅較大；標準差及變差系數都是冬季變化較為劇烈；偏度系數在夏季及秋季為正值；峰度系數值在冬季較大。
  10. The normal population characteristics, such as the mean, standard deviation, percentile, percentage and coefficient of variation, are often tested in engineering

    摘要正態母體特徵值（母體均值、百分位值、百分率、標準差和變異系數等）的檢驗是工程中常見的問題。
  11. 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「證券投資風險的度量」分為三個小節： 1 、討論單個證券風險用標準差（ ） 、方差（ ~ 2 ） 、變差系數（ cv ）以及系數度量，構造了單個證券的投資風險統計指標體系； 2 、討論了用標準差和方差、方差?協方差矩陣、方差?協方差矩陣的特徵值來度量組合證券的投資風險； 3 、計算了衡量證券組合系統性風險的系數值，並分析了系數的含義和預測能力的可靠性。
  12. Many risk measuring techniques appears, such as variance method, p analysis method, duration method. these techniques only can be applied into given financial tools or specific field

    在西方，許多風險衡量技術，如標準差、系數、持續期和delta等方法都應運而生，但這些技術都只能適應特定的金融工具或在特定的范圍內使用，難以綜合反映風險承擔情況。
  13. Both absolute difference and relative difference among per capita gdps of 14 cities ( prefectures ) increased year by year since 1990 - the absolute difference increased linearly - - and this increased tendency would n ' t change in short period. by counting the discrete and ratio between per capita gdp of every city ( prefectures ) and that of the total province, the relative development speed of every region and the industrial structure of every region, i think that the characteristic of the spatial structure of regional economic difference in hunan is that the area along the beijing - guangzhou railway line in the east of hunan developed fast, while the vast area in the west of hunan developed slowly, so the regional difference increased constantly. on the difference background between the east and the west of hunan, there is the difference between central region and fringe region, for one thing it shows ring difference, namely chang - zhu - tan internal ring, surrounding chang - zhu - tan medium ring, the outermost external ring, the most underdeveloped counties lie on the fringe and mountain regions in the west, south and east of hunan, for another it displays that the peripheral regions of 13 prefectural cities are more developed than the other

    文章還建立了反映基礎設施水平、經濟發展水平、社會發展水平的23個主要指標構成的湖南省區域差異衡量指標體系，在此基礎上，藉助spss統計分析軟體，運用主成分分析法，對湖南省14個市州經濟發展綜合水平的差異狀況進行了研究，結果表明：長沙市的經濟發展綜合水平在14個市州中遙遙領先，反映了湖南省經濟發展空間結構的「單極主導」特徵；通過計算人均gdp的標準差和標準差系數，研究區域經濟差異的總體水平及區域經濟不平衡發展的演變趨勢，發現90年代以來湖南省各市州人均gdp的絕對差異和相對差異都在逐年擴大，其中絕對差異隨年份直線上升，且這種差異擴大的趨勢在短期內難以改變；通過計算各市州人均gdp與全省人均gdp的離差和比率、各市州發展速度的差異及產業結構的差異，認為湖南省區域經濟差異的空間特徵是：湘東京廣沿線地區基礎較好，發展較快，湘西地區發展緩慢，地區差異不斷擴大；通過以縣為對象的差異研究發現在湘東湘西差異的大背景上還有核心區與邊緣區的差異，它一方面表現為長株潭內層、圍繞長株潭的中層、更遠的外層的圈層差異特徵，最落後的縣分佈於湘西、湘南、湘
  14. Based on the standard deviation and variation coefficient, soil water change in the profile could be divided into four layers by cluster analysis

    基於標準差和變異系數兩個指標，採用聚類分析，可將土壤剖面水分垂直變化劃分為四個層次：速變層、活躍層、次活躍層和相對穩定層。
  15. Provide automatic test function of fiber diameter, directly observe fiber configuration on screen, and display the actual diameter of all fiber on - time. fast test speed, simple operation, and reduced personal error. automatically compute mean diameter, coefficient of variation and standard deviation of the tested fiber, the tested date can be printed out by excel

    提供了纖維直徑自動測量功能，可直接在顯示器上觀察纖維形態，實時顯示每根纖維的實測直徑；測量速度快，操作簡便，減少了人為誤差；可自動計算已測纖維的直徑平均值、變異系統和標準差，測試數據可以excel報表形式列印輸出。
  16. ( 3 ) how to design the bayesian test method about the parameter ' s linear hypothesis according to the relationship between the multivariate t distribution and f distribution. ( 4 ) the bayesian diagnosis and unit root test method about the random error series. ( 5 ) the bayesian mean value quality control chart when the variance is known and the mean value - standard error control chart when the variance is unknown

    然後，研究了擴散先驗分佈下單方程模型參數的貝葉斯估計理論，證明了模型系數的后驗分佈為多元t分佈，模型誤差項方差的后驗估計為逆gamma分佈；根據多元t分佈和f分佈之間的關系，構造了模型系數線性假設檢驗的貝葉斯方法；根據hpd置信區間構造了隨機誤差序列自相關的貝葉斯診斷和單位根檢驗方法，並利用單方程模型的貝葉斯推斷理論研究了方差已知時的貝葉斯均值控制圖和方差未知時的貝葉斯均值?標準差控制圖。
  17. The dual standard quantity ( the work piece and the discrete standard quantity ) mutual measuring and model verification methods are also proposed, which perfects the whole modifying process from data measuring, error separation, model establishment to real correction. after researching the discrete standard quantity system dynamic error separation technique, two error correction methods based on genetic algorithm and neural network mixed modeling technique are established. the two methods are the discrete standard quantity dynamic error direct / synchronous correction and prediction model correction ; the model ' s parameters and model ' s exercising method are also confirmed

    設計了雙標準量值（工件和離散標準量）互比測量的模型驗證方法，完善了從數據測量、誤差分離、模型建立到實際修正的整個修正過程；研究了離散標準量系統動態誤差分離技術，建立了基於遺傳進化演算法與神經網路混合建模技術的兩種誤差修正方法? ?離散標準量動態誤差直接（同步）修正方法和預報模型修正方法，並確定了模型結構參數和模型訓練方法；分析了預報模型的多次預報性質，並得出了多次預報與多步預報的等效關系，確定了測量系統的有效預報范圍以及模型參數對泛化誤差的影響；進行了模型的對比實驗驗證和被測工件動態誤差修正試驗，成功地實現了任意二面角和圓分度的實時誤差修正。
  18. About the confirmation of the position evaluation factors scale, the thesis has put forward using the fuzzy analytic hierarchy process ( fahp ) to evade subjective factor influence and make the position evaluation system more scientific. the thesis makes use of mathematics tools, such as the standard deviation of the sample, variation coefficient, etc. to analyze the deviation that the judge panel give a mark, and carry on effective correct ing

    其中在崗位評價因素權重的確定問題上，提出藉助模糊層次分析法（ fahp ）的系統理論來規避主觀因素的影響，使崗位評價體系的設計更趨科學化；還利用樣本標準差、變異系數等工具來分析評委打分的偏差，進行有效的糾錯處理。
  19. This research established an estimating model of pinus massoniana stand volume with the elements as variates directly obtained from rs and the conditions of stand that were extracted from 130 samples of pinus massoniana stand from the fifth forest resource continuous investigation data in min - jiang watershed and flitered by the thrice standard deviation method and liner regression method and the correlation coefficient is 0. 735 the suitability and precision of the model were tested and regression analysised with data that were extracted from another 30 samples

    摘要從福建省第5次森林資源一類調查落在閩江流域的樣地中抽取馬尾松林樣地130個，以rs可提取因子及樣地林分立地條件因子為可選變量，利用3倍標準差法進行異常數據的篩選，對林分立地條件定性因子進行數量化處理，通過逐步回歸構建閩江流域馬尾松林分蓄積量估測模型，研究結果所構建的蓄積量估測模型的相關系數為0 . 735 。
  20. ( 5 ) statistically analyze data : except provide basic analysis, it can also calculate the maximum, minimum, average and root - mean - square value of age, pre - hospital, bp, gcs, rts, iss, gos, ps _ triss, ps _ ascot. the results can be output or printed out by the forms of graph or report

    （ 5 ）數據的統計分析：本系統提供基本的數據統計分析功能，可進行包括年齡、院前時間、血壓、 gcs 、 rts 、 iss 、 gos 、 ps _ triss 、 ps _ ascot等資料的最大值、最小值、平均值、標準差等大量統計工作；統計結果可用圖形或報表形式導出或列印。
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