隨機逼近 的英文怎麼說

中文拼音 [suíjībījìn]
隨機逼近 英文
stochastic approximation
  • 隨 : Ⅰ動詞1 （跟; 跟隨） follow 2 （順從） comply with; adapt to 3 （任憑; 由著） let （sb do as he li...
  • 機 : machineengine
  • 逼 : Ⅰ動詞1 （逼迫; 給人以威脅） compel; force; drive; threaten 2 （強迫索取） extort; exert pressure ...
  • 近 : Ⅰ形容詞1 （空間或時間距離短） near; close 2 （接近） approaching; approximately; close to 3 （親...
  • 隨機 : random stochasticrandom
  • 逼近 : 1 （靠近 接近） press on towards; gain on [upon]; approach; crowd on; close in on; draw near 2 [...
  1. An edgeworth expansion for the u - statistic and its random weighting approximation

    展開及其隨機加權逼近
  2. In the following part, we define a couple of new approximate operators and a couple of corresponding new approximate measure operators, in this way, inner measure belief function and lower probability all can be considered as the particular cases of this lower approximate measure

    通過定義一對新的逼近運算元以及相應的一對逼近測度，使內測度、信任函數、隨機集上的下概率均可表示為此下逼近測度結構下的一種特例。
  3. Cascaded low - density erasure codes are based on sparse random bipartite graphs. very efficient linear time encoding and erasure recover algorithms with the arbitrarily near erasure channel capacity performance of the codes with respect to the algorithms have made them one of the most optimal coding techniques up to now

    基於稀疏隨機二部圖的級聯型低密度糾刪碼因其線性時間的編譯碼演算法和可任意逼近刪除通道容量限而成為目前最佳編碼技術之一。
  4. In rsdm, binary patterns are replaced by real - valued patterns, accordingly avoiding the coding process ; the outer learning rule is replaced by regression rule, therefore the model has not only the ability of pattern recognition but the ability of function approximation. the prearrangement of the address array bases on the distribution of patterns. if the distribution of patterns is uniform. then the address array is prearranged randomly, otherwise predisposed with the theory of genetic algorithm and the pruneing measure so as to indicate the distribution of patterns and improve the network performance. non - linear function approximation, time - series prediction and handwritten numeral recognition show that the modified model is effective and feasible

    在rsdm中，以實值模式代替二值模式，避免了實值到二值的編碼過程：以回歸學習規則代替外積法，使該模型在具有識別能力的同時具有了對函數的逼近能力；地址矩陣的預置根據樣本的分佈採取不同方法，若樣本均勻分佈，則隨機預置，否則利用遺傳演算法的原理和消減措施來預置地址矩陣，使之反映樣本的分佈，改善網路的性能。
  5. It is proved that the investment decision - making process which is described by general backward stochastic differential equations ( bsdes ) can be approached by discrete investment

    摘要證明了一般的倒向隨機微分方程所描述的投資決策過程可用離散的投資決策過程進行逼近，並給出了逼近誤差的估計。
  6. The kanerva ' s sparse distributed memory ( sdm ) tackles the problem of training large data patterns and extendes the storage mode of existing computer. but it ' s address array produced randomly ca n ' t reveal the distribution of patterns and it has ' t the ability of function approximation for its learning rule

    Kanerva的稀疏分佈存儲（ sdm ）模型解決了大維數樣本的訓練問題，推廣了現有計算機的存儲方式。但其地址矩陣的隨機預置方式不能反映樣本的分佈，並且sdm的學習方式使之不能用於函數逼近及時間序列預測問題。
  7. Although the rfc of mts systems corporation is a general methods to process road simulation test all over the world, it contains two disadvantages as follows : 1. before the fatigue test, it will take a long period to carry through the off - line iteration to acquire a series control values

    雖然美國mts系統公司的rpc方法是目前國際上進行道路模擬試驗普遍採用的方法，但它存在如下問題： 1系統進入正式的試驗之前，要用較長的時間進行離線迭代運算獲得控制量序列，逐步逼近給定的隨機波形。
  8. The obtained results in the paper are as follows : ( 1 ) the expansion of fourier series of orthogonal trigonometric polynomial for conditional mathematical expectation and function of random variable ; ( 2 ) the best approximation of trigonometric polynomial about another random variable for function of a random variable ; ( 3 ) the best approximation order of trigonometric polynomial for function of random variable

    摘要獲得了如下結果： （ 1 ）條件數學期望及隨機變量函數的三角多項式級數表達； （ 2 ）一個隨機變量關于另一個隨機變量的三角多項式的最佳逼近； （ 3 ）隨機變量函數被隨機變量三角多項式最佳逼近的階。
  9. The approximation of exponential distribution on the sequences of dependent nonnegative continuous random variable

    指數分佈對任意非負連續型隨機變量的逼近
  10. To ensure all segments under construction to approach corresponding construction segmental reasonable states in both configuration and mechanics states and good behavior of structure after completion, escaping from all kinds of accidents in whole process of construction with high efficiency, safety, excellent quality of engineering achieved, the grey prediction model ngm ( 1, 1 ) was proposed to fit prediction of any raw grey series by studying grey causes and whitening results based on the normalized mapping rules ; random perturbation method of genetic algorithms was proposed to raise efficiency of forward rolling optimization ; simultaneous analysis of strength and stability was carried out to ensure safety of strength and stability

    摘要為了保證實際施工中結構各節段在構形和受力狀態兩方面逼近施工節段合理狀態，避免事故發生，確保工程高效、安全、優質，基於歸一化映射規則，研究灰因和白果，提出了適應任意灰序列的灰預測模型ngm （ 1 ， 1 ） ；研究遺傳演算法的隨機攝動法，提高向前滾動優化效率；研究強度、穩定性的同步分析技術，保證施工過程強度、穩定性安全。
  11. After introducing the unified model structure and applying stochastic approximation principle, the general recursive identification algorithm of several on - line identification methods is developped

    在引進統一的模型結構以後，利用隨機逼近原理，提出了各種在線識別演算法的一般遞推形式。
  12. 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。
  13. On the base of comparation of several methods, the viewpoints of the author are presented in the paper. in the fifth chapter, a general stochastic optimization method ? tochastic approaching methods, is studied. comparing to the above - mentioned stochastic methods, this method is more convenient to be applied in practice and the better optimization result is expected

    最後，本文首次將隨機逼近法引入滲透系數隨機反演的研究領域，建立了隨機逼近反演滲透系數的計算公式和計算步驟，並將該法與gauss - markov法、 bayes法和廣義bayes法進行了對比，提出了自己的觀點。
  14. ( 3 ) the effects of the random noise on the measured results, which are based on brightness temperature approach method and continuous measurement method, are evaluated. the experiment results demonstrate that the effect on brightness temperature approach method is uncertain and continuous measurement method can bear certain random noise

    在某一溫度點下的各通道理論測量值加入一定的隨機噪聲，試驗結果表明:亮溫逼近法受隨機噪聲的影響是不確定的，而連續測量法可以承受一定的隨機噪聲影響。
  15. Turbo codes were presented by c. berrou in international conference on communications in 1993. they hang convolutional code and random interleaver together to realize the idea of random coding, and adopt soft input / soft output ( siso ) iterated decoding to approach maximum likelihood decoding ( mld ). turbo codes come closer to approaching shannon ' s limit

    Turbo碼，由c . berrou等在icc 』 93會議上提出，它巧妙地將卷積碼和隨機交織器結合在一起，實現了隨機編碼的思想，同時，採用軟輸入軟輸出迭代譯碼來逼近最大似然譯碼，具有近shannon限的性能。
  16. When congestion occurs, red randomly select sources to notify congestion before queue overflow and once tcp sources receive the notification it will reduce the congestion window to decrease the packet sending rate, and therefore, mitigate the network congestion

    Red的基本思想是路由器通過監控隊列的平均長度來探測擁塞。一旦發現擁塞逼近，就隨機地選擇源端來通知擁塞，使他們在隊列溢出導致丟包之前減小擁塞窗口，降低發送數據速度。
  17. In the second part, we try to apply orthogonal polynomial approximations to the dynamical response problem of the duffing equation with random parameters under harmonic excitations. we first reduce the random duffing system into its non - linear deterministic equivalent one. then, using numerical method, we study the elementary non - linear phenomena in the system, such as saddle - node bifurcation, symmetry break bifurcation, phenomena in the system, such as saddle - node bifurcation, symmetry break bifurcation, period - doubling bifurcation and chaos

    本文第二部分嘗試將正交多項式逼近方法應用於隨機duffing系統，提出與之等價的確定性非線性系統的新概念，並用數值方法對該系統在諧和激勵下的鞍結分叉、對稱破裂分叉、倍周期分叉、和混沌等各種基本非線性響應進行了初步探討。
  18. Another is getting the approximate optimum value and optimum solution of chance - constrained programming through some certain genetic algorithm based on random simulated technology. this paper summarizes two methods of chance constrained programming

    另一種途徑是逼近方法，利用隨機模擬技術，通過一定的遺傳演算法程序，最後得到機會約束規劃問題的近似的目標函數最優值和最優解。
  19. Then the model is simplified, the theory of martingale, simulation, and diffusion approximations are discussed firstly. these methods are applied in the model. then get some useful results, so we can estimate the upper bound for the ruin probability and the approximation of the finite time ruin probability

    並詳細的討論了模型有限時間內破產概率和最終破產概率的估計，應用隨機過程序列弱收斂，鞅以及隨機模擬等理論，得出一些有意義的結果? ?在有限時間內破產概率的逼近表達式；最終破產概率的上界和有限時間內破產概率上界；有限時間內破產概率的隨機模擬演算法；並得到最終破產概率滿足的泛函方程。
  20. Sdp with successive approximations and its application in the operation optimization of multireservoir system

    逐次逼近隨機動態規劃及庫群優化調度
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