stochastic distribution 中文意思是什麼

stochastic distribution 解釋
隨機分佈
  • stochastic : adj. 1. 機會的;有可能性的;隨便的。2. 【數學】隨機的。
  • distribution : n 1 分配,分發,配給;分配裝置[系統];配給品;配給量;【經濟學】配給方法,配給過程;分紅;【法律...
  1. 8 geman s, geman d. stochastic relaxation, gibbs distribution and the bayesian restoration of images

    我們把顏色變化比較劇烈的圖像稱為復雜圖像。在日常生活中存在著大量的這樣的圖像。
  2. 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。
  3. A necessary and sufficient condition with ergodic of 1 - order probability distribution function of stochastic process ( theorem 1 and corollary 1 ) and extended the general distribution theorem of stochastic variable under the case of weakly condition ( theorem2 ) are presented

    摘要提出了隨機過程一階概率分佈函數具有遍歷性的一個充分必要條件(定理1和推論1 ) ,並在較弱條件下,對一般的關于隨機變量函數分佈定理作了進一步的推廣(定理2 ) 。
  4. 4. the seismic dynamic reliabilities of the nanjing changjiang tunnel were analyzed, and its dynamic reliable and disable probabilities under the 7 degree earthquake were obtained, by using the maximum stochastic responses and the first overstress mechanism. in the other hand, the probability of serious seismic intensity and its probability distribution function were calculated by analyzing the seismic degree, and the seismic dynamic reliable and disable probabilities of the tunnel in its design reference period were calculated by using the maximum stochastic responses and the first overstress mechanism

    4採用最大隨機地震響應和首超破壞理論分析了隧道抗震動力可靠度,得到了隧道在七度地震作用下的地震動力可靠概率和失效概率;並通過對南京長江隧址的地震危險性分析,得到了各烈度地震的發生概率及其概率分佈函數,在此基礎上,分別採用最大響應和首超破壞理論計算了隧道在設計基準期內的安全概率和失效概率。
  5. Monte carlo is a method that approximately solves mathematic or physical problems by statistical sampling theory. when comes to bayesian classification, it firstly gets the conditional probability distribution of the unlabelled classes based on the known prior probability. then, it uses some kind of sampler to get the stochastic data that satisfy the distribution as noted just before one by one

    蒙特卡羅是一種採用統計抽樣理論近似求解數學或物理問題的方法,它在用於解決貝葉斯分類時,首先根據已知的先驗概率獲得各個類標號未知類的條件概率分佈,然後利用某種抽樣器,分別得到滿足這些條件分佈的隨機數據,最後統計這些隨機數據,就可以得到各個類標號未知類的后驗概率分佈。
  6. This paper studies the deficit distribution at ruin by the distribution class of the claim - size distributions in a risk model with the markov chain stochastic interest

    摘要應用損失賠付額分佈函數的分佈類的特性,在假設隨機利率服從馬爾可夫鏈的條件下,研究了風險模型中破產時刻赤字的分佈函數和界值。
  7. A stochastic inverse technique based on gray - code genetic algorithm ( gga ) to invert particle size distribution from dynamic light scattering ( dls ) data is proposed. numerical tests and latex experiments for inverting dynamic light scattering data showed that the algorithm could be successfully applied to inverse problem of dls with high stability to the different type of distributions

    提出了採用格雷碼編碼遺傳演算法對動態光散射測量的多粒徑分佈進行反演運算,數字測試的結果和聚苯乙烯乳球的實驗結果表明,該演算法能夠精確的反演出各種分佈的粒子分布圖象。
  8. In addition, the weibull distribution is applied on the quest the regional space runoff rate. analytical expressions are presented for describing runoff over heterogeneous surface basis on physical mechanism of land surface hydrological process and by means of the statistics distribution theory. simulation test results show stochastic - dynamics method for the parameterization scheme of regional runoff over heterogeneous surface is creditable

    文章還利用這種分佈模式( weibull )擬合區域的降水在地表的空間分佈型,並將此(中尺度區域)地表徑流區域內所代表的瞬間徑流率考慮為降水在地表的分配與地表(土壤)層水分吸收過程的余項。
  9. Aimed at the feature of great fluctuation of water flow - rate in rivers and taking the monthly average flow - rate at low water with 90 % guaranty in recent ten years as design flow - rate, the permissible amount of major pollutants discharged into yellow river by lanzhou namely the stochastic environment capacity of waters, was determined by using a stochastic computation mode on the basis of lognormal distribution theory

    摘要針對河水流量變化大這一特點,採用以對數正態分佈理論為指導的隨機計算模式,以近十年90 %保證率最枯月平均流量為設計流量,確定黃河蘭州段主要污染物的容許排污量,即隨機水環境容量。
  10. The analyses of stochastic force on fluidized bed systems apply the stochastic theory to flowing mechanism and studies of bubble distribution, and redound to open out the inside nonlinear mechanism and characteristic of fluidized beds

    對流化床系統的隨機力分析將隨機理論的方法運用到流化床流動機理和氣泡分佈研究中,有助於揭示流化床內部非線性機理和特性。
  11. The influence of the selection of the shearing resistance and the seepage pressure on the reliability index is analyzed ; meanwhile, the influence of the distribution types, cut - tail and correlation of the stochastic variable on the reliability is discussed

    接著分析了抗剪強度參數的選擇及滲透壓力對可靠指標的影響,並討論了隨機變量的分佈類型、截尾情況以及相關關系對可靠指標的影響。
  12. The mainly objective includes two parts : one is to develop the mathematical m odel t o study t he flow m echanism o f 1 iquid i n t he b ed of tbr, and the other is to study the technology and device to distribute the liquid uniformly. in the first part, some theoretical models were established to simulate the distribution of flow rate of liquid, such as discrete model, differential calculus model and stochastic model. but these models are difficult to calculate or ca n ' t lead to good results

    在理論模型方面,前人提出了離散模型、微分模型和隨機模型等來模擬液體的徑向和軸向流率分佈,但仍然存在許多問題,往往計算工作量大且常偏離實際情況,本文作者在導師的指導下,參照前人的研究成果,在滴流床的流率分佈中採用了狀態離散、時間離散的markov過程描述了滴流床的流率分佈,結果與實驗值吻合較好。
  13. At last the learning method for conditional probability distribution is investigated. * the congestion computing of tn and simulation in this paper a special stochastic process is studied and applied in telephone < wp = 7 > switch system. the congestion principle is analyzed from link system, telecommunication network and switcher

    *電信網阻塞計算方法及模擬本文研究了增消隨機過程及在電話交換系統中的應用,並從鏈路系統、電信網路及交換機等方面分析了電信網產生阻塞的機理並推導了阻塞計算方法。
  14. Based on the study of strength degradation of material in the fatigue process, a strength degradation model is proposed. a stochastic differential equation, which controls strength degradation, is obtained from the model randomized by markov process. by using the theory of stochastic, the distributions of residual strength at any given lifetime and lifetime of any given residual strength are attained. under a few suitable hypotheses, inverse gaussian distribution of fatigue life is derived, and verified by means of experimental data. the result shows that the model and the method are reasonable

    在研究疲勞過程中材料強度退化規律的基礎上,建立了一個強度退化模型.對其進行隨機化處理,得到控制強度退化過程的隨機微分方程.在一定假設條件下,獲得了剩餘強度概率密度函數的封閉解,並推導出疲勞壽命的反高斯分佈形式.給出一種考慮損傷狀態對隨機漲落影響的近似處理方法.與試驗數據的比較結果表明,本文的模型和方法是合理的
  15. In this paper, the repairable queuing system with police is studied. some important queuing quantities and reliability quantities are in detail discussed as follows : ( 1 ) using the renewal process theory and the method of stochastic decomposition, both the transient and equilibrium distributions of the queue length from any state are discussed, and the recursion expression of the equilibrium distribution is given by furthermore, the generating function of equilibrium queuing length distribution is given by ( 2 ) the distribution of waiting time is discussed, and the mean waiting time is given by ( 3 ) the departure of the system is discussed, and the mean value of departure customers when is given by

    具體如下: ( 1 )利用更新過程理論和隨機分解方法,討論了從任意初始狀態出發隊長分佈的瞬態解和穩態解,得到了隊長平穩分佈的遞推公式:並進一步求得了系統的穩態隊長分佈的母函數( 2 )討論了穩態等待時間分佈,求得了平均等待時間: ( 3 )討論了系統的輸出過程,求得了長期單位時間內離去顧客的平均數: ( 4 )討論了服務臺的不可用度,得到了穩態不可用度: ( 5 )討論了內服務臺平均故障次數,求得了長期單位時間內的平均故障次數
  16. The acoustic emission experiments of concrete under uniaxial tension loading in whole process are conducted arid the stochastic modeling theory is introduced to determine the random field distribution parameters of the limit fracture strain of the mesoscopic damage elements

    利用混凝土單軸受拉破壞全過程的聲發射實驗數據,引入隨機建模理論,確立了細觀損傷單元的極限破壞應變隨機場分佈參數。
  17. Considering chance constrained programming is a well developed stochastic optimization method which can describe risk in an explicit manner, with the premised market trading protocols, a chance constrained programming based model for describing the optimal bidding strategies of distribution companies in a pool co - type transmission and distribution separated electricity market is presented, and solved by genetic algorithm

    鑒于機會約束規劃作為一類快速發展的隨機優化方法能以顯式的形式刻畫風險,針對以聯營體為基礎的輸配分開電力市場,在假設的市場交易規則基礎上,構造了在現貸市場中基於機會約束規劃的供電公司最優報價策略模型,並採用遺傳演算法求解。
  18. Aimed at tackling the stochastic variations caused by non - artificial natural factors and accidental factors such as nonpoint source contamination and point source contamination in geochemical maps for different continental and sea media of eastern zhejiang coastal area, this paper puts forward a geochemical map formation method for different continental and sea media based on a suitable data - processing model and color area spatial distribution so as to improve the map face effects

    摘要針對浙東沿海地區陸海不同介質采樣區地球化學圖中出現的自然因素,以及非點源污染和點源污染等因素引起的隨機變異,提出選擇一種適宜的數據處理模型和色區空間分配為內容的陸海不同介質地球化學成圖方法,以改善圖面效果。
  19. The analysis and design class diagram are given. the sequence indication stochastic simulation algorithm based on indicator kriging is realized. the algorithm applies to discrete and continuous variable has no restrict to data distribution

    系統給出了沉積相隨機建模的分析類圖和設計類圖,實現了基於指示克里金估計的序貫指示隨機模擬演算法,該演算法對離散數據和連續數據都適用,不要求數據的分佈特徵,可以較好的模擬相特徵。
  20. The method of sequential indicator stochastic simulation firstly make the geological information discretization code, normally two indicator variables of 0 and 1. then make the kriging theory act on the variables to get the kriging estimation of indicator variables, namely estimation of probability distribution of the variables in a unknown position

    序貫指示隨機模擬方法首先將地質信息進行離散編碼,通常編碼成0與1兩值的指示變量,然後將克里金的基本思想用於指示變量,最終得到指示變量的克里金估計,即未知位置變量的概率分佈的估計。
分享友人