stochastic technique 中文意思是什麼

stochastic technique 解釋
隨機技術
  • stochastic : adj. 1. 機會的;有可能性的;隨便的。2. 【數學】隨機的。
  • technique : n. 1. (專門)技術;(藝術上的)技巧,技能。2. 手法〈如畫法,演奏法等〉。3. 方法。
  1. Focused on the technique, interaction and result of visualization, the system for transitional state visualization is put forward, which effectively promotes the transfer, analysis and synthesis course of transitional information with better visualizability, figurativeness and maneuverability. the main work of this dissertation is as follows : the main characteristics of transitional state, such as fuzziness, randomness, fractal and chaos, are concluded. based on the combination of the fuzzy mathematics, stochastic process, fractal and chaotic theory, the feature description model of transitional state is put forward to make itself the foundation of following visualization methods and applications

    論文的主要工作包括:系統地提出了過渡狀態的特徵刻畫模型,概括了過渡狀態的模糊性、隨機性以及分形性與混沌性等主要特性,結合模糊數學理論、隨機過程理論以及分形理論與混沌理論等,以過渡率、過渡集合等作為特徵刻畫模型的主要內容,以過渡映射作為特徵刻畫的形成過程,有效地描述了過渡特徵的漸變過程,為可視化方法與應用的具體實現奠定了理論基礎。
  2. 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。
  3. Real time seafloor tracking technique is the critical technique to ensure smooth seafloor surveying with full coverage and high efficiency. after detailed investigation on stochastic features of seabed reverberation produced by mbss systems, the author presented an algorithm and a set of relevant key coefficients for real time seafloor tracking, taking into account of characteristics of signal processing and timing sequence of the real system and introducing theorems of terrain surveying. as an achievement, a mathematical model was established based on the technique of centered filtering

    海底地形實時跟蹤技術是保證多波束測深系統實現高效率全覆蓋水下地形測量的核心技術,作者通過對多波束測深系統海底回波信號統計特性的研究,依據地形測量理論,並結合實際系統信號處理的技術特點和處理時序,提出了實現海底跟蹤控制的關鍵參數及計算方法,建立了基於中值濾波技術的海底地形實時跟蹤數學模型,並開發出實時地形跟蹤專家系統,該系統經多次海上實驗驗證表明:理論正確、方案可行,取得良好效果。
  4. In the stochastic hill - climbing, the number of climbing is an important parameter, and is different to get a good value. this paper use experimental technique to settle this question. it use the least square method find a polynomial empirical formula, which can compute the number of climbing

    另外,針對savior演算法中隨機爬山法爬山次數難以確定的問題,本文採用多項式最小二乘擬合,利用實驗方法得到了問題規模和隨機爬山法合理爬山次數間的經驗公式。
  5. Sa is a stochastic optimization technique and a zero - order algorithm requiring no derivative information and has been used extensively to solve continuous, ordered discrete and multi - modal optimization

    模擬退火法( kirkpatrick等, 1983 )是一種隨機的優化技術,它是零階演算法,不需要導數信息,廣泛地用於解決連續的、有序離散及多模態優化問題。
  6. This paper utilizes stochastic optimal control theory, ito formula in stochastic analysis and nonlinear filter technique to maximize the expected utility from the terminal wealth

    本文運用隨機最優控制理論、隨機分析中的it ( ? )公式及非線性濾波技術,研究投資者極大化終止時刻期望效用的最優投資策略問題。
  7. Sampling methods for common distributing random numbers and the samples of random fields are proposed. combining the monte - carlo simulation technique with the one - dimensional discretization finite element method, the monte carlo - finite element method for stochastic analysis and the reliability computation of thin - walled box girders are proposed in this thesis

    建立了幾種常用分佈隨機數以及隨機場隨機樣本的產生方法;將蒙特卡羅數值模擬與薄壁箱梁一維離散有限元法相結合,提出了薄壁箱梁隨機分析和可靠度計算的蒙特卡羅有限元法。
  8. From the angle of uncertainty of inflow and water consumption, the risk of water dispatching on the lower reaches of the yellow river is analyzed. inflow series are generated by use of the method of representative disaggregation. water consumption series are generated according to rainfall probability distribution. a model for risk analysis of water dispatching is established with the technique of stochastic simulation, and a quantitative description of risk is presented, thus, making the water dispatching decision - making more scientific

    從來水和用水不確定性角度分析黃河下游水量調度風險.對來水採用典型解集方法生成來水系列,對用水根據降雨概率分佈生成用水系列,利用隨機模擬技術建立了水量調度風險分析模型,給出風險的定量描述,從而使水量調度決策更加符合實際
  9. The recursive modification algorithm is mainly based on the ideal of stochastic approximation and truncation technique to obtain modification strategy for estimated parameters, it is proved that these modification parameters turn out to be a constant vector

    其中迭代的參數修正策略主要是基於隨機逼近思想和截尾技術給出了修正向量的構造演算法。
  10. Sa is a stochastic optimization technique that has been used to solve continuous, order discrete and muti - modal optimization problems

    模擬退火演算法是一種用於解決連續、有序離散和多模態優化問題的隨機優化技術。
  11. The deducing of the algorithms has very practical value in state estimation for systems under the complex environments. in the instance of complicated multi - channel system with multiplicative noise, the dissertation discusses the optimal estimation of state filtering and smoothing and the stochastic input signal with the technique of innovation and projection theorem of hilbert space. the main study of the dissertation is introduced as follows : 1 according to the practical requirement of complicated multi - channel system with multiplicative noise, the dissertation broadens rajasekaran filtering algorithm

    本文針對復雜多通道帶乘性噪聲系統,應用新息的方法和hilbert空間的投影定理,對狀態最優濾波和平滑估計、隨機輸入信號的最優估計等理論與應用方面的問題,進行了進一步的探討,著重完成了以下工作:第一,根據復雜多通道乘性噪聲系統問題的實際需要,推廣了rajasekaran濾波演算法。
  12. Application of stochastic simulation technique to frequency analysis of regional drought

    隨機模擬方法在地區乾旱頻率分析中的應用
  13. Simulation results show that it is effectiveness and the synchronization technique is robust. using quasi - stochastic property and ergodic theory of chaos, a kind of new hybrid ds / sfh spread spectrum communication scheme is presented based on vss synchronization technique

    在變結構混沌同步方法的基礎上,利用混沌系統的遍歷性和偽隨機性,提出了一種新的保密性很強的混合ds sfh擴頻通信系統設計方案。
  14. In this method, a new perturbation technique called linearization - correction method was used to linearize the nonlinear equations in the model, and then the wavelet precise integration method was used to calculate the sensitivity of the response. at last the stochastic perturbation method is used to analyse the variance and expectation of sediment concentration, rate and depth of flow. the calculated result was high agreement with that result of monte carlo method

    在該方法中,採用了一種擬攝動法對模型中的非線性方程進行線性化,然後採用小波配置法對模型方程進行空間離散,最後用隨機有限元方法求得模型中水流速度,水深和泥沙濃度的統計特性,計算結果和montecarlo法模擬結果吻合得很好。
  15. In combination with a project schedule management case of pipe horizontal direction drill project, the author analyzes its network program with monte carlo simulation technique, and then comes to the conclusion that the stochastic network program can give more substantial schedule information to the project manager than ordinary network program

    結合管道水平定向鉆穿越工程進度管理實例,在其網路計劃中應用蒙特卡洛模擬技術進行分析,以概率形式確定關鍵工作和施工工期,為項目經理進行進度管理提供更多更充實信息。
  16. The progress of ordinary network program is summarized, the monte carlo simulation technique is introduced in stochastic network program

    摘要總結了網路計劃的研究概況,在隨機網路計劃中引進蒙特卡洛模擬技術。
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