stochastic model 中文意思是什麼

stochastic model 解釋
隨機模式
  • stochastic : adj. 1. 機會的；有可能性的;隨便的。2. 【數學】隨機的。
  • model : n 1 模型，雛型；原型；設計圖；模範；（畫家、雕刻家的）模特兒；樣板。2 典型，模範。3 （女服裝店僱...
  1. A stochastic model for processes of soil wind erosion

    土壤風蝕過程的一類隨機模型
  2. Giant panda ; stochastic model ; population viability analysis ; qinling

    大熊貓隨機性模型種群存活力分析秦嶺
  3. Considering a financial market with risky stocks and riskless bond, we describe the stochastic model of stock prices with stochastic volatility

    在考慮一個帶有股票和債券的金融市場后，本文提出了一個具隨機波動率的股票價格的隨機微分方程模型
  4. Resulting from researches and experience accumulated in mbss practice for years, the author suggested a precision estimation model of depth and position for the acceptance of mbss systems, and presented further a stochastic model of double observation for data quality estimation. these models could be introduced to the designed national mbss acceptance standards

    本文根據國際海道測量標準提出了多波束測深系統的水深和位置精度的評估模型，並提出了一種雙觀測法統計模型對測量數據的質量進行評估，其研究成果可以為建立我國多波束測深規范提供參考。
  5. 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。
  6. The stochastic model is tendered as the certain equivalent problem by dealing with the expectations, deviations and the constrained chance, which makes it easy to resolve the model

    通過等價變換，將隨機模型轉化為確定性等價問題，從而方便了問題的求解。
  7. The main purpose of this dissertation is to establish the deterministic and the stochastic model of minimum weight of the structure, and the optimization is based on the structural dynamic response reliability. the dynamic response of the structure under stationary or non - stationary excitations is investigated, then the dynamic reliability is calculated and the design variables of the structures are optimized

    本文重點建立了基於動力響應可靠性的結構優化設計最小重量的確定性和隨機性模型，研究了結構系統在平穩或非平穩隨機激勵作用下的隨機動力響應，並在此基礎上進行了結構動力可靠性計算和優化設計。
  8. At last, the stochastic model and the linear programming are both applied to optimum design of drip - irrigation project for jiangsu province haimen city changle town. then the results are compared and analysed

    最後將隨機規劃模型和確定性線性規劃模型分別應用於江蘇省海門市常樂鎮微灌工程規劃設計中的大棚滴灌系統，對管網系統進行了優化設計，並將其結果進行了比較分析。
  9. A stochastic model for a carrier - borne epid emic with different susceptibilities in an opening community

    易感性不同的病毒攜帶者流行病在開放系統的隨機模型
  10. A real - time estimation of a prior variance - covariance of gps observations is developed for the ( near ) instantaneous ambiguity resolution for short - baselines, which improves the stochastic model of the observations, and then the success rate and the reliability of ambiguity resolution

    針對短基線模糊度的快速解算，提出了一種實時估計觀測值方差-協方差矩陣的方法，改進了觀測值的統計模型。算例顯示這種方法能提高模糊度瞬時解算的成功率。
  11. Otherwise, this method was applied into solving burgers equation, and the numerical results show that it is a prospective numerical method for nonlinear partial differential equation. e. lastly, the wavelet stochastic finite element method for a stochastic model of soil erosion in a rill was proposed

    第五、將隨機有限元方法和小波精細積分法相結合提出了對細溝侵蝕模型的統計特性進行分析的小波隨機有限元方法。
  12. According to the demand of the stochastic model of inventory for the single stage, we analyzed modeling methods of multi - stage production / inventory system in hybrid production processes. then we introduced a model of inventory system for multi - stage processes. finally, we introduced an evaluation method for the parameter of the models

    為滿足多階段的混合流程生產系統加工成本最小的要求，論文深入研究了生產系統中，多階段加工情況下成品、在制品和原材料的串列結構庫存管理系統整體優化問題，建立了整體庫存量控制模型，得出了整體庫存的最佳訂貨量和最佳訂貨點。
  13. At last, aimed at the stochastic system in which the uniform target at the same periods is observed by sensors possessing different characters at multiple scales, we present a method of the multiscale representation based on unregular tree. we develop the multiscale stochastic model based on scale sequence at odd - and even - numbered scale and on different order trees

    3 、針對不同尺度上具有不同特性的傳感器在相同周期內對同一目標觀測的動態系統，給出了一類系統基於不規則樹結構的多尺度表示方法，並建立了基於尺度序列奇偶相間階樹、不同階樹的多尺度動態模型。
  14. 2 ) by analyzing the information and conditional information description mechanism of system states, the problem of stochastic model reduction is investigated based on state aggregation. the information loss and conditional information loss between the full - and reduced - order models are measured by entropy, while the independence and conditional independence within me components of aggregated state are measured by kullback - leibler information distance. several model reduction methods for stable and unstable linear systems are derived by employing two criteria to get aggregation matrices : the minimal information loss and the maximal independence

    2 ）分析了隨機系統狀態空間模型中的信息和條件信息描述機制，以shannon熵為手段描述線性系統模型降階過程中的信息和條件信息損失，以kullback - leibler信息作為衡量降階模型狀態向量各分量之間統計獨立性的測度，針對穩定和不穩定系統研究基於狀態集聚的模型降階問題：分別運用最小信息損失準則和最大獨立性原則，得出幾種狀態集聚的信息論方法，並討論降階模型的性質、階次的確定、系統噪聲分佈特性等問題。
  15. The improved lagrangian stochastic model has attributed to the successful prediction of the turbulence inhomogeniety, turbulence anisotropy, and particle crossing - trajectories effect. the collisions between the particles are also considered in this thesis. numerical results for the particles trace and collection efficiencies in the cyclone separator were compared with available experimental data and with theoretic models

    為了驗證以上固體顆粒運動模型及修正的湍流模型，文中給出了顆粒在水平管道和u形撞擊式分離器中的運動，比較了不同顆粒軌跡模型的特點及運動行為對流體湍流強度的影響。
  16. A stochastic model on stock market controlling strategy

    股票市場監管策略的一個隨機模型
  17. Stochastic model for flood peak discharge and multistation flood volume

    洪水多站峰量同時模擬的隨機模型
  18. 18 samaria f, harter a. parameterisation of a stochastic model for human face identification. in proc

    改演算法能夠根據訓練圖像自動選擇出適合於人臉識別的若干個矩形特徵。
  19. First, using the scale - invariant property of multiscale model, i. e. markovian among scales, a method of qth - order tree - based for multiscale representation of a class of 1 - d stochastic process is presented. the multiscale stochastic model is established. the representation forms of parameter matrices, such as, the state transition matrix, the disturbance matrix, the initial state and the corresponding covariance matrix are deduced in detail

    本文在已有工作的基礎上，開展了以下幾個方面的研究工作： 1 、根據多尺度模型尺度不變性，即利用尺度間的markov性，給出了一類1 - d隨機過程基於一般q階樹的多尺度表示方法，建立了相應的多尺度動態模型，詳細推導了多尺度模型中的狀態轉移陣、擾動陣、初始狀態和相應的協方差陣，並通過計算機模擬給出了不同階樹的多尺度采樣路徑。
  20. There is only such report on the idi diesel engine by foreign countries according to my materials. 4. firstly finished the improved curl model and combined with the turbulent model to set up a spray and combustive stochastic model of di diesel engine, using monte carlo method to simulate it

    針對直噴式柴油機的特點，在國內首次完成了利用改進的curl碰撞?離散模型，並結合湍流模型建立了直噴式柴油機噴霧和燃燒的隨機模型，並利用montecarlo法進行數值求解。
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