隨機模型 的英文怎麼說
中文拼音 [suíjīmóxíng]
隨機模型
英文
probabilistic model-
Fittings of systematic errors and covariance matrices in navigation
精密定位的觀測值隨機模型Research on hybrid type of stochastic control model
混合型隨機模型的最優控制策略研究Stochastic models of lambda phage
噬菌體的隨機模型。Abstract : since the multiple failures situation is not uncommon in the clinical medicine, we explore the use of proportional odds model to the multivariate interval - censored data. the approach is based on the conditional logistic regression, which prevents the complications in the existence of nuisance parameters. the estimation of parameters is obtained by the newton - raphson algorithm. the sandwith estimator for the covariance is made according to the situation where there is correlation in the score statistic. simulations are also presented to assess the accuracy of the procedure
文摘:探索比例優勢模型在臨床醫學中常見的多結局區間截斷數據中的應用.用條件的邏輯回歸方法避免討厭參數的估計，用牛頓-拉普森演算法估計回歸系數，用"夾心方差"估計量作為參數方差的估計.通過隨機模型檢驗模型應用的有效性Method of using the random model to predict dynamic changes of phreatic level
隨機模型預測潛水位動態變化的方法According to the least twin multiplication to calculating the sensitivity index in several water production functions. thus, the writer obtains the fitted the value of the sensitivity index and the varied rule. at the same time, the writer puts forward a new method named rag a ( real coding based accelerating genetic algorithm ) and combines raga with dpsa to calculating the best irrigation system under the non - sufficient irrigation of well irrigation rice in sanjiang plain
根據《隨機水文學》理論中的時間序列分析法，建立了適合三江平原井灌水稻需水量預報的非平穩時序隨機模型；通過分析降雨隨機特性，選定季節性時序隨機模型，建立了適合三江平原井灌水稻降雨預報的月平均降雨模型；根據最小二乘法，計算出幾種常用水分生產函數中的敏感指數及敏感系數，進而得到三江平原適宜採用的水分生產函數漠型及模型中敏感指數的變化規律；本文提出遺傳動態規劃法（ raga ? dp ） ，即採用改進的基於實數編碼的加速遺傳演算法（ realcodingbasedacceleratinggeneticalgorithm ，簡稱raga ）與動態規劃法（ dpsa ）相結合，推求非充分灌溉條件下三江平原井灌水稻的最優灌溉制度。A stochastic model for processes of soil wind erosion
土壤風蝕過程的一類隨機模型By end of 1998, the nominal value of derivatives transactions had happened in the official exchange within 5 years increased from 7. 7 trillion u. s. dollars to 13. 5 trillion u. s. dollars, meanwhile, the nominal value of derivative securities ( otc ) increased from 8. 7 trillion u. s. dollars to 51 trillion u. s. dollars, then, the nominal value of unliquidated derivatives was total about 64 trillion u. s. dollars, and the academic field also emerged frontier science borrowing for the financial science, physics financial science, financial engineering, etc. 1973, black and scholes put forward the differential equation that any derivative securities prices based on any non - dividend paying stock must be satisfied, that is black - scholes differential equation
Jamshidian . f在其1989年的文章中推導出零息債券的期權價格。奧托同樣在其1998年的論文中用統計物理學中的路徑積分方法推導出了基於零息債券為基礎的期權定價模型。本文在這些學者研究成果的基礎上，進行了更深層次的研究，在vasicek隨機模型的基礎上，打破上述學者及著名的black - scholes期權定價模型只能求解證券及其衍生產品價格平均值的限制，對零息債券和基於零息債券的期權的價格求解，並推導證券瞬時價格的分佈函數。Furthermore, bringing forward a suit of thought for general modeling. in term of production, we study fmc reliability model and productivity of the assembly robot on the compressor product line. finally, the paper introduces program design of robot off - line program system
在此基礎上提出了如何進行通用機器人建模的一個設想，並結合生產實際，對裝配機器人生產線fmc可靠性隨機模型及生產率進行了研究，最後介紹了本文完成的機器人離線編程系統的程序設計。Stochastic models in telecommunication networks
通訊網路中的隨機模型The main achievements are as follows : it is verified that there is an unique mean square solution to the stochastic surge model ; the formulas for probability density function of head loss and the maximum relative surge level were deduced ; the joint probability density function for solving surge process and the mean head process of simple hydraulic system were also derived
主要研究成果有：證明了調壓室涌浪隨機模型存在唯一的均方解；推導出了水頭損失和最大相對涌浪值的密度函數計算公式；求解了調壓室涌浪解過程的聯合密度函數和簡單水力系統的水頭均值過程等。( 2 ) the method of time series analysis and the stochastic models are introduced, and the yearly and monthly runoff series stochastic models at the heiyukou gauging station in heihe river are established and checked
（ 2 ）對水文系列的時間序列分析方法及常用的隨機模型進行了闡述，建立了黑河黑峪口站的年、月徑流序列生成模型並進行了檢驗。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。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。According to the model, the reconstruction algorithms can be divided to two categories : the algorithm based on the certain model and the algorithm based on the statistical model
根據建立的數學模型的不同，重建演算法可分為基於確定模型的演算法和基於隨機模型的演算法。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。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Advancement of stochastic modeling for non - stationary groundwater transport and interaction between small - scale heterogeneity and large - scale non - uniformity
地下水非平穩隨機模型及空間變異性與非均勻性相互關系研究的展望Estimate of extinct time and cost in the stochastic epidemic model
流行病滅絕時間和費用估計隨機模型Another advantage of flp filter is that it can build error model at each startup of hrg, which has advantage in the case that the error model changes at the startups
Flp濾波方法的另一優點是可以每次啟動時進行隨機建模，這就適用於每次啟動時陀螺誤差隨機模型不同的情況。分享友人