正態率分佈 的英文怎麼說
中文拼音 [zhēngtàilǜfēnbù]
正態率分佈
英文
normal frequency distribution-
The probability density distribution of + conforms to the lognormal behavior
低速帶間距的概率密度分佈可用對數正態分佈來描述。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。Secondly, by characteristic statistic, the probabilistic distribution of silt indexes is roughly learned, then the normal and beta distribution probabilistic models are fitted for generally symmetric distribution indexes, and the beta distribution models for all indexes owing to their good adaptability. after tested, the indexes of cuu and < t > m fitted by the beta models are very good
其次,用特徵統計量對粉土工程性質指標的概率分佈作了粗略了解后,對大致對稱分佈的指標作了正態分佈和beta分佈擬合,對不對稱分佈的指標作了beta分佈擬合,最後得出用beta分佈擬合c _ ( uu )和_ ( uu )是較理想的。The results show that whole structure has high reliability index and values, so the boiler steel frame is enough safety and reliability. finally prospect of research and engineering applications of boiler steel frame is discussed in this paper
考慮隨機影響因素及服從正態分佈的隨機荷載,以整體結構最大應力處構件為評價標準,計算得到結構構件的可靠度指標和可靠度概率值。The confidence tests can also bring more convenience in engineering, as that the tests for the percentile and percentage of normal population that are difficult in hypothesis tests can be easily solved by the present method
不但比傳統的正態分佈假設檢驗和抽樣檢驗具有更高的精度,而且更加便於應用,許多假設檢驗和抽樣檢驗難以處理的問題(如母體百分率和百分位值的檢驗) ,採用置信檢驗可以容易地得到解決。Firstly, this paper makes clear the meaning of stock markets " efficiency through different perspectives, and then introduces the efficient market hypothesis ( emh ) and fractal market hypothesis ( fmh ). as one important part of rational anticipation theory, emh is the foundation of capital market theories, but the linear paradigm of emh does not conform to the stock market realities
其基本的研究思路是:以有效市場假說和分形市場假說為理論基礎,結合中國股票市場的現實情況(中國股票市場收益率不符合正態分佈,市場屬于分形結構) ,以分形統計學的相關方法為手段,對我國滬、深兩市的有效性進行實證檢驗,力圖對中國股票市場的有效性做出客觀真實的評價。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Because return of chinese security market is non - normal distribution, so we use garch - t model which can describe the time - variation of volatility and the high - peaked and heavy - tailed characteristics of return to calculate var value of market index. from empirical results we know that this model is efficient
考慮到中國證券市場收益率序列分佈的非正態性,本文使用了既能描述方差時變性又能反映收益率分佈的尖峰、厚尾特徵的garch - t模型計算市場指數的var值,實證結果表明該模型是有效的。The random mathematical model is described using equivalent markov equations. the time and state parameters are discrete. based on the model, the flow rate distributions along radial and average at any height can be calculated directly, moreover, the probability transition matrix of the flow can be determined via the statistic character of the random cumulate particles, and be corrected by s. cd the random theoretical model shown in fig. l, the section of the bed of tbr is divided into a series of concentric circles
一、在常溫和常壓下進行滴流床反應器流率分佈的研究,以狀態離散、時間離散的齊次markov過程描述了滴流床在滴流區的流率分佈,建立了滴流床在滴流區流率分佈的隨機模型,根據此模型可以: 1 、可直接確定任一高度下的液體徑向流率分佈及平衡流率分佈; 2 、液體流動的概率轉移矩陣可由隨機堆積顆粒的統計特性確定,以參數s修正。Fractal study on the representative elementary volume of jointed rock masses
巖體結構面產狀的平面正態概率分佈模型The six sigma black belt should be familiar with the commonly used probability distributions, including : hypergeometric, binomial, poisson, normal, exponential, chi - square, student ' s t, and f
6西格瑪黑帶應熟悉常用的概率分佈,包括超幾何分佈、二項式分佈、泊松分佈、正態分佈、指數分佈、卡方分佈、學者t分佈和f分佈。Chapter four is the positive examination to the chaos and fractal phenomenon of our country security market. we carry on straight examination of the yield ratio distribution of stock index to shanghai and shenzhen stock market separately, utilize r / s analytic approach to estimate hurst index of shanghai and shenzhen then calculate fractal dimention, thus draw the conclusion that the security market of our country possesses the characteristics of chaos and fractal phenomenon
第四章為我國證券市場混沌與分形的實證檢驗部分。我們分別對我國上海和深圳股票市場進行了股指收益率分佈的正態性檢驗,然後利用r / s分析法分別對滬深兩市進行赫斯特指數估計進而計算分形維,從而得出我國證券市場具有混沌與分形特徵的結論。At first, based on the 272 station monthly precipitation in china, the paper described the heterogeneous of the spatial distribution precipitation by use of the curve of lorenz and the coefficient of g. the results show that the heterogeneous of the spatial monthly precipitation in summer is stronger than in winter. based on this describing, the probability distributions function of the spatial distributions are fitted by use of the gamma distribution model, and this general principle is examined. the results show that the gamma distribution is good on describing the heterogeneous of the spatial distribution precipitation in china
並以分佈擬合中國區域月降水量的空間概率分佈,擬合效果優良,表明描述中國區域月降水量水平空間分佈非均勻性的普適分佈律以分佈的pdf最為適宜;以1 、 4 、 7 、 10月具有代表性的資料為例分析了各季月降水量空間分佈型的主要特徵及其形成原因,並從一個側面表明我國月降水量空間分佈的偏態性正是我國降水氣候的最顯著統計特徵之一,這也與我國大陸性季風氣候特點密切相關;並且月降水量的基尼系數和分佈模式形狀參數值都是夏季大於冬季,說明月降水量的空間分佈非均勻性夏季比冬季弱。It is complicate and evolves with the trading institute. the market is persistent at whole, but the persistence has been becoming weaker and weaker. and the market has not only a long stable non - periodic cycle related to policies a little, but also has a short unstable cycle caused by policies, which causes persistence and reversion in short term
也就是說,收益率分佈既非正態也非自相似,它是復雜的,並且還隨交易制度的變革而演化;從總體而言市場是具有持續性的,但持續性明顯經過了一個由強轉弱的演化過程;市場不但有一個不受短期政策影響的穩定的非周期循環,而且還有一些由短期政策沖擊造成的不穩定的循環點,導致了短期的持續與反轉。This paper studies the symmetry of the distribution of the yield of chinese treasury security by the methods of wilcoxon - mann - whitney and kolmogorov - smirnov, drawing the following conclusion that the distribution of the yield neither obeys the normal distribution nor has symmetry
本文採用威爾科克森-曼-惠特尼檢驗法和哥爾莫哥洛夫-斯米爾諾夫檢驗法對中國國債收益率分佈的對稱性進行統計研究后得出的結果表明,中國國債收益率既不符合正態分佈,也不具有對稱性。For the image with random field feature, the description language is probability distribution model, and the description length equals the negative base - two logarithm of the probability of the image data ; for the region homogeneity properties of active contour, the description language is chosen as a sign gradient map, and the description length is the summation of sign gradient inside the active contour ; for the active contour regularity, the description language is smoothness, and the corresponding description length is the length of active contour curve
隨機場圖像的描述語言採用概率分佈模型,描述長度是圍道內外區域中圖像數據概率的以2為底對數的負數;活動圍道區域一致性的描述語言為有符號的梯度圖,描述長度是圍道內區域有符號梯度的總和;圍道形態的描述語言採用平滑性,描述長度正比于圍道的長度。The probability distribution of the ratio of the maximum corrosion depth to the general corrosion depth was analyzed. through k - s test, it was found that this ratio follows the normal distribution or the lognormal distribution, which constructs a relationship between the mean corrosion condition and the worst corrosion condition
分析了最大腐蝕深度與平均腐蝕深度比值的概率分佈特徵,通過k - s檢驗分析表明比值分佈為正態分佈或對數正態分佈,這個指標建立了鋼筋銹蝕整體平均狀況與最嚴重狀況的關系。In the paper, the daily return rate of composite index of a specific time is tested by w test method. the result shows the distribution of daily return rate of composite index is accordance with normal distribution. according to the nature of normal distribution, under 95 % confidence interval, the value of var could be calculated, and then we can predict the next day ' s index
在本文中,筆者通過對某一具體時間段的上證綜指的日收益率分佈進行正態檢驗仰檢驗) ,在得出的結論是日收益率基本上服從n ( 0 , 6 )的正態分佈的前提條件下,根據正態分佈的性質,在95的置信度下,利用var模型計算出當日的var值,從而預測出下一交易日的收盤指數。< 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 >Representation of results of particle size analysis - methods of calculation relating to particle size analyses using logarithmic normal probability distribution
粒度分析結果的表示.使用對數正態概率分佈的粒度分析相關計算方法分享友人