normal probability 中文意思是什麼

normal probability 解釋
常態概率
  • normal : adj 1 正常的,平常的,普通的;平均的。2 正規的,標準的,額定的,規定的。3 智力正常的,精神健全的...
  • probability : n 1 或有;或然性。2 【哲學】蓋然性〈在 certainly 和 doubt 或 posibility 之間〉。3 【數學】幾率,...
  1. Lower confidence limit of normal probability within specified limits

    定限內正態概率的置信下限
  2. This method can be applied to the data of product usage and life test, namely, to access the confidence lower limit for the mean residual life under the condition of product normal working period at a certain given probability, which gives the reference for the plan of instrument life prolong and maintenance

    使用該方法,利用產品的使用及壽命試驗數據,即可對產品在給定概率下和正常工作一定時間后的平均剩餘壽命置信下限進行評枯,為延壽使用及維修計劃的制定提供依據。
  3. The waste load is regarded as a stochastic variable following the log - normal probability distribution based on statistical data, and the constrains on water quality levels are expressed in a probability form

    假設排污量是服從對數正態分佈的隨機變量,並且以潮周期內水質達標的概率作為衡量控制點達標的依據。
  4. In the paper, based on the analysis of data from radiation stations and the data of corresponding sunshine stations, the normal probability distribution feature of monthly solar radiation is figured

    本文採用我國70個建站時間在30年以上的日射站資料以及對應的日照資料,首先討論了單站總輻射與日照相關系數的時空變化特徵。
  5. 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
  6. Normal probability curve

    正態概率曲線
  7. The guyed mast structure is a high - rise system made up of soft cable and slim mast. the interaction between the inclined guys and the mast makes its nonlinear dynamics very complex. the damage probability of guyed mast is especially high under normal designing and constructing in civil engineering fields

    桅桿結構是由柔索和細長的桿身組成的高聳結構,斜拉的纖繩和桿身使其非線性振動十分復雜,在正常設計、建造及材料情況下,桅桿結構破壞發生的比例之高在土木工程界是少見的。
  8. The probability of normal r. v. with absolute value less then and equal to one, two, and three unit standard deviations are calculated from error function, the cumulate probability distribution of normal density

    常態分佈隨機變數絕對值小於等於一個、兩個、三個標準差之機率分別代入累積機率分佈函數(誤差函數)算出其對應之機率。
  9. The third part : according to the verified structural damage identification method and supposing the to - be identified parameters to be independent and have normal distribution, the scheme of identifying bridge structure damage is proposed by using the probability damage identification method. assume the zero - order, the first - order and the second - order perturbation statistics of the frequencies and the mode shapes of the bridge structures are known, and substitute them into the statistics property formulas of the frequencies and the mode shapes, as a result an objective function including the mean values and the variance of all the identified parameters is established. set

    對于連續梁橋,當損傷位置位於跨中附近時,大多數無損傷單元的損傷概率均在10 %左右,可作為小概率事件,不發生損傷,但與損傷單元相鄰的無損傷單元,其損傷概率達到20 %以上,很難被排除,只有對這些單元進行二次識別,才能得到比較可靠的計算結果;如果損傷位於支點附近時,則不會出現上述情況,對于無損傷單元,損傷概率都小於10 % ,不發生損傷,損傷識別結果
  10. The main research work and achievements in the dissertation are given as follows : 1 using dynamic programming techniques and two different criterions ( maximum probability of hit criterion and maximum expected no. of penetrators criterion ), the author investigates optimal allocation of tactical missiles between a primary target and a secondary target under the condition that the primary target is defended by the secondary target ( only " normal " defensive mode can be used by the defender ), presents the optimal policy of tactical missiles attacking the primary target

    本文所進行的研究工作和取得的創新性成果主要為: 1利用動態規劃理論和兩個不同的準則(最大命中概率準則和最大期望突防數量準則) ,研究了一個主要目標在一個次要目標防衛下(次要目標採用「常規」防守模式) ,戰術導彈對這兩個目標打擊的優化分配問題,給出了導彈對目標打擊的最優分配策略。
  11. 2 based on dynamic programming techniques, using three different criterions ( maximum probability of hit criterion, maximum expected no. of penetrators criterion, and minimum expected cost criterion ), the author investigates optimal allocation of tactical missiles between a ( several ) primary target ( s ) and several secondary targets under the condition that the primary target ( s ) is defended by the secondary targets ( only " normal " defensive mode can be used by the defender ). the optimal allocation policies of tactical missiles between the primary target ( s ) and the secondary targets are given

    2基於動態規劃理論,採用三個不同的準則(最大命中概率準則、最大期望突防數量準則以及最小期望費用準則) ,研究了一個和多個主要目標在多個次要目標防衛下(次要目標採用「常規」防守模式) ,戰術導彈對這兩類目標打擊的優化分配問題,給出了導彈對目標打擊的最優分配策略。
  12. Using normal probability model is more simple and efficient to determine performance and characteristic parameter of waterflood oilfield, so it is feasible and practicable to forecast water cut and oil recovery of waterfood oilfield and evaluate its development measures

    摘要應用正態概率模型可以方便地確定水驅動態變化、描述水驅特徵參數,這就使得預測油田含水率、採收率、評價並發措施變得比較簡便而實用。
  13. Many experts and designers hold that the design flow provided by the normal formal is a lot of lack, everybody consistently thinks that the probability method is reasonable and viable in calculating the water supply by many expert, scholar, professor ' s research

    許多國內專家及設計人員反應我國現行規范公式給出的設計秒流量應用於實際中存在很多不足,通過許多專家、學者、教授的研究,大家一致認為用概率論方法計算給水流量是比較合理及可行的。
  14. The application of statistics function of excel may simplify complicated binomial distribution probability counting and normal distribution probability counting, and at the sme time, many statistics functions can be connected together with some counting signs to make statistics analysis process which can be applied to much more complicated statistics counting and analysis

    摘要利用excel的統計函數可以使復雜的二項分佈概率計算和正態分佈概率計算變得簡單,同時,可以利用計算符號把多個統計函數連接起來,製成統計分析程序,用於比較大的復雜的統計計算和分析。
  15. The ica - based method without assumption that data follow normal distribution, can easily calculate the joint probability density function of independent components ( ics ), because each of ics statistically independent

    採用獨立分量分析的方法可以避免數據服從正態分佈的假定,且由於各個獨立成分之間統計獨立,其聯合概率密度函數可以很方便的求取。
  16. In this paper, an approach of the systematic artificial neutral net was introduced into the analysis on the ship - against - bridges probability with a computer programs. based on the basic data of the present 12 typical bridges as the sample, 4 chief influential factors as the input coefficient, such as the bridge span, the water flow rate, the incline angle between water flow direction and the direction normal to bridge axis, and the curve in the course near the bridge area, with the ship - against - bridge probability as the output coefficient, the intelligent judging system of the ship - against - bridges probability reflecting the influence of the above input parameters is obtained after training

    本文首次將人工神經網路系統方法引入了船撞橋概率的研究當中,編制了計算程序,成功地以現有12座典型橋梁的基礎數據為樣本,以橋梁跨徑、水流流速、水流方向與橋軸法線的夾角以及橋區航道彎曲度等4個船撞橋主要影響因素為輸入參數,以船撞橋概率為輸出參數,經訓練得到了能較好地反映上述輸入參數影響的船撞橋概率判斷系統。
  17. The comparison and application show that the normal probability model can be applied to forecasting the performance of water cut when the oilfield enters into medium water cut stage for either s - type, convex - type or concave - type curves

    油田開發實踐表明,當油田進入中含水期后,不論是s型、凸型,還是凹型水驅特徵曲線都可以應用正態概率模型進行預測。
  18. Then the unified approach can be applied to it to acquire the ensemble random evolutionary response. since the normal probability density function ( pdf ) may lead to instability of some sample systems when the random parameters taking sufficiently small negative values, an arch - like pdf and a more adaptable - pdf, together with the matching chebyshev polynomial approximation and gegenbauer polynomial approximation, are suggested. numerical examples show that the suggested methods are effective

    相比較而言,隨機模擬法的結果無疑是最可靠的,但是它的計算量嫌大;隨機攝動法的計算量遠小於隨機模擬法,但是它要求隨機攝動量必須是一個小量;正交展開法的計算精度好於隨機攝動法,其得到結果與隨機模擬法得到的結果幾乎吻合,其計算量略多於隨機攝動法,但與隨機模擬法相比要少的多,不過計算前的準備工作較費時。
  19. < 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 >
  20. 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
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