數的標準分佈 的英文怎麼說
中文拼音 [shǔdebiāozhǔnfēnbù]
數的標準分佈
英文
standard layout- 數 : 數副詞(屢次) frequently; repeatedly
- 的 : 4次方是 The fourth power of 2 is direction
- 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)...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 標準 : (衡量事物的準則; 榜樣; 規范) standard; criterion; benchmark; pip; rule; ètalon (衡器); merits
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Two methods were used to provide water quality ratings in bio - assessment using biotic index ( bi ), ( 1 ) using the sampled sites meet the criteria for undisturbed and minimally impaired conditions, the confidence in the distribution of bi value for the 75th percentile to be used as the criterion dividing " unimpaired " form " impaired ". any values below the 75th percentile were considered as " excellent ", and values above the 75th percentile, was quadrisected for different water quality ratings
採用兩種方法研究m指數劃分水質級別的標準: ( 1 )無污染樣點的m指數值法,以75分位數值作為最清潔水質標準,將高於此值的可能分佈范圍一等分,分別代表不同的水質級別zk )所有樣點(污染與無污染樣點)的bi指數值法,以5分位數值作為最清潔水質的標準,將高於此值的可能分佈范圍4等分,分別代表不同的水質級別。To obtain the statistical boilerplate of lst according to the asymmetry distribution of cloud, we compared the images of the averaged temperature, which were respectively imaged by using satellite remote sensing and by using the general weather data, and analyzed the frequency of real - time lst figures by employing appropriate templets
針對雲系的空間分佈不均勻性,採用適當模板對lst實況圖進行頻譜分析,找出lst的統計樣區,繼而對這些區域的lst數值進行平均,得到多年lst平均圖的參照標準。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。At same time, a simulation platform was established for computing the capacity of wireless mimo channel, and on the platform it was calculated out the cumulative distribution functions ( cdf ) of the channel capacity of the integrated mimo channel model on the basis of specific parameters provided by the 3gpp standard rl - 02 - 0181 specifications
同時創建了一個無線mimo通道容量的模擬平臺。並以3gpp標準r1 - 02 - 0181所規定的具體參數為依據,在該模擬平臺上計算出了模擬通道的通道容量的累計分佈,並和相應條件下的理論容量進行了分析比較,得到了有關結論。In the chapter 4, it primarily stats large numbers of original data and obtains the probability distributing functions of each assessment factor by means of pearson x2 goodness of fit test. and then it establishes the distributing sections of the error of each assessment factor. meanwhile it expatiates the criteria of simulator coach ' s subjective judgments
第四章主要對大量的原始數據進行統計分析,採用peanonx 『擬合檢驗方法,獲得了各評估要素的概率分佈函數,繼而分別確定了各評估要素的誤差分佈區間,同時也對教練員的主觀判斷標準進行了闡述。To define a particular normal probability distribution, we need only two parameters: the mean(μ)and the standard deviation(θ).
確定一個具體的正態概率分佈,只需要兩個參數:平均數和標準差Standard practice for interlaboratory testing of a textile test method that produces normally distributed data
產生正常分佈數據的紡織試驗法的實驗室間試驗的標準實施規程This paper discuss that we analysis and deal with examine data by means of computer assist, estimate the difficulty, degree of differentiate, believe degree of examination paper, efficiency degree so on, deal with examine data. it give statistical distributing about examine result person percentage, standard fraction plenty give play to strong point of assess and diagnosis, feed back and inspirit function
利用計算機輔助手段,對考試成績進行處理和分析,在試題難度、區分度、試卷信度、效度等方面給出定量的估計,並對考試原始分數進行加工,在此基礎上,得到班級成績的統計分佈,個人的百分等級和標準分數,以充分發揮考試的評定與診斷,反饋與激勵功能。Abstract : this paper discuss that we analysis and deal with examine data by means of computer assist, estimate the difficulty, degree of differentiate, believe degree of examination paper, efficiency degree so on, deal with examine data. it give statistical distributing about examine result person percentage, standard fraction plenty give play to strong point of assess and diagnosis, feed back and inspirit function
文摘:利用計算機輔助手段,對考試成績進行處理和分析,在試題難度、區分度、試卷信度、效度等方面給出定量的估計,並對考試原始分數進行加工,在此基礎上,得到班級成績的統計分佈,個人的百分等級和標準分數,以充分發揮考試的評定與診斷,反饋與激勵功能。According to the theory that the probabilistic distribution of seismic intensity fits extreme value type hi, a method to confirm seismic power that is pertinent to the period of expectant use is discussed. at the same time, the way to deal with seismic details is given by introducing system coefficient and coefficient factor. in summary, this paper provides engineers a seismic design method that is pertinent to the period of the building ' s expectant use
根據地震烈度的概率分佈符合極值型的理論,探討了在相同概率保證下,不同設計使用年限與設計基準期之間地震作用的關系以及不同設計使用年限與設計基準期之間抗震構造的關系,引入了對應于設計使用年限的地震作用調整系數和抗震構造折減系數及其體系影響系數和局部影響系數,發現了現行抗震鑒定標準所採用的設計使用年限。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So a computer - aided alignment method for a series of reference lens is studied in detail in this paper. based on analyzing the optical quality affecting factors and optical design, the folio wings are described in detail in this paper : ( 1 ) how to choose merit function of optical quality in terms of the specific reference lens, and sensitive structure parameters to optical quality would be determined according to their tolerance data ; ( 2 ) discussing the relationship between the aberrations and the misalignment of reference lens ; ( 3 ) building the mathematical model for the misalignment optical system, and then calculating the misalignment value by the alignment software compiled on zemax and matlab platforms ; ( 4 ) experiments are made to examine the computer - aided alignment method. the theoretical and experimental data and plots are given in the paper
本文在分析標準球面透鏡的設計及其光學質量的影響因素基礎上,開展了以下四個方面的研究: ( 1 )根據系列標準球面透鏡的具體結構特點,選擇透鏡的質量評價指標,研究標準球面透鏡的公差分佈,確定敏感結構參數; ( 2 )研究光學質量評價指標與失調量之間的函數關系; ( 3 )建立數學物理模型,根據球面波的實測結果,求解待調系統的失調方位和量值,研究原理上實現計算機輔助裝調的可能性,在zemax和matlab平臺上編寫輔助裝調軟體; ( 4 )建立實驗裝置,實際研究標準球面透鏡的計算機輔助裝調方法,文中給出相應的理論分析及實驗數據和曲線。Then, this paper empirically tested the validation and predictive accuracy of different var risk management model in the domestic financial market. finally, with the analysis of modem financial risk management development trend and the current domestic financial risk management situation, this paper made a prospect for the application of this model in the construction of domestic financial risk management system. through the analysis, the main conclusions are as follows : ( l ) the traditional mean - variance model is the special example of the portfolio selection based on the var risk management model for the case that the returns of the portfolio are assumed to be normally distributed ; compared with the mean - variance model, the var risk management model is more comprehensive and accurate in the measurement of the portfolio risk, so based on the var model, the investors can allocate the asset more effectively. ( 2 ) the var risk management model can provide the timely and comprehensive risk information for the top risk manager, so it is very helpful to the improvement of total risk management efficiency. ( 3 ) based on the var model, the raroc performance valuation approach can reflect the real performance of the portfolio manager and provide the coherent standard for the allocation of risk limitation and the construction of the incentive compatibility constraint mechanism in the financial instiutions
通過研究分析,本文主要得出如下結論: ( 1 )傳統的markowitz均值? ?方差模型僅僅是在資產組合收益率正態分佈假設條件下基於var風險管理模型進行資產組合選擇的特例,與均值? ?方差模型中的方差風險度量方法相比, var風險管理模型能夠更全面、更貼切地衡量資產組合的風險,且基於此模型能夠更有效地進行資產配置決策; ( 2 ) var風險管理模型能夠滿足更高層次風險管理者對風險信息的需求,有助於整體風險管理效率的提高; ( 3 )基於var風險管理模型的raroc績效評價能夠反映資產組合管理人的真實業績,從而為金融機構風險限額的分配和激勵約束機制的制定提供統一的標準; ( 4 )國內證券市場資產組合收益率服從正態分佈的假設明顯不成立,實證檢驗表明基於資產組合收益率正態分佈假設條件下的方差? ?協方差模型對國內資產組合風險的預測存在較大的偏差,由於文中證明在收益率正態分佈假設條件下基於方差? ?協方差模型進行資產組合選擇的結果等價于markowitz的均值? ?方差模型,因此,均值? ?方差模型對國內資產組合風險的預測同樣會存在著較大的偏差,而半參數var風險管理模型則能夠取得較好的預測衡量效果; ( 5 ) var風險管理模型符合未來金融風險管理的發展趨勢,基於var風險管理模型建立內容提要風險限額內控體系、風險信息披露體系和業績評價體系,並進行金融監管,將有助於國內金融機構內部風險管理方法和外部監管技術跟上國際金融風險管理的發展潮流。( 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。The precipitation and evaporation data at 12 observational stations from 1958 to 2003 were used to calculate the spring drought index, the criterion of spring drought and the spring drought index series were set up, the spatial and temporal features, yearly and decadal climate variability of the indexes of the loess plateau in gansu province were analyzed
摘要利用甘肅省甘肅黃土高原地區12個代表站1958 ~ 2003年春季3 ~ 5月逐候降水、蒸發資料,建立了該地區早春旱和晚春旱指數序列,確定了春旱等級標準,進一步分析了春旱的時空分佈特徵及其年際(年代際)變化規律。Nondimensional distribution index was able to describe the spatial pattern of each landscape patch type and indicate the affection of the topography on the change of the pattern. for excluding the disturbance of the area, distribution index can describe the difference between the actual distribution and the standard distribution of each patch type on the topographic gradient. and according to this, kinds of comparative analyses were availed
運用地形分佈指數克服了不同地形因子各梯度內面積的差異,同時也消除了各景觀斑塊類型的面積比重差異,能夠準確地反映不同景觀斑塊類型在一定的地形因子梯度上的實際分佈情況與標準分佈的偏差,使分析不受面積的影響,其結果具有較好的可比性和可解釋性;且通過對優勢分佈范圍、分佈趨勢線特徵的分析,能夠獲得森林景觀空間分佈格局及其變化的多種信息。Finally, the relation between the field of view matching of digital binoculars and the size of field of view of binoculars and camera is analyzed theoretically. based on the analysis of the mft principal and measure method of image sensor ’ s mtf, the contact measure method using rectangle template for mtf of image sensor is created. according to the number of pixels of image sensor in one cycle of the template function, the quantitive relation between sine template and rectangle template is proposed through theoretical analysis and comparison
並利用衍射理論,從模板的形式(正弦形、矩形) 、模板與傳感器間距等幾個關鍵因素出發,進行了深入的理論探討,從理論上導出了矩形模板和正弦模板的差異、模板與圖像傳感器光敏面存在間距的情況下的光場分佈;並最終導出了間距存在下圖像傳感器調制傳遞函數值測得值與標準值之間的調整系數,利用此調整系數對實驗數據進行修正後可得到更為準確的調制傳遞函數。So the main purpose of this research is use time series, by the means of rs ( remote sensing ) and gis ( geographic information system ), on the groundwork of preciser classification data, to understand the change of different types of vegetation cover in the western arid lands in china, and to forecast future trend of the eco - environment of different areas. 1
因此本研究的主要目標就是利用長時期的遙感數據,以rs ( remotesensing )和gis ( geographicinformationsystem )為工具,在相對準確分類的基礎上了解1982 2000年期間中國西部乾旱區不同植被覆蓋度的時空分佈、面積變化,並對各區域的生態環境發展趨勢作出一定的預測。The standard deviation of a sampling distribution. it is the statistic used to make statements about the accuracy of estimates based on sample information
抽樣分佈的標準偏差.統計學上用來說明從樣本預測的數據的準確性< uk > to define a particular normal probability distribution, we need only two parameters : the mean ( ) and the standard deviation ( ). < / uk >
< uk >確定一個具體的正態概率分佈,只需要兩個參數:平均數和標準差< uk >分享友人