stochastic approximation 中文意思是什麼
stochastic approximation
解釋
隨機逼近- stochastic : adj. 1. 機會的；有可能性的;隨便的。2. 【數學】隨機的。
- approximation : n. 1. 接近；近似。2. 【數學】近似值。3. 概算，略計。
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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。 -
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。 -
In chapterl, we introduce basic concepts about scheduling, the worst - case ratio analysis of approximation algorithms, stochastic scheduling problem and classes of stochastic scheduling policies
我們在第一章中首先介紹排序問題的基本概念，排序演算法的性能分析，以及隨機性排序問題及其排序策略。 -
Using the method of stochastic analysis, we demonstrate c - tightness of the scaled queue length processes and derive a sufficient condition for the existence of the diffusion approximation under a general priority service discipline
在優先服務原則下，給出了這類網路的標準化隊長過程擴散近似存在的充分條件。 -
Secondly, combining the unified colored noise approximation and the functional analysis, the steady state distribution function is derived when both multiplicative colored noise and additive white noise are included in a bistable system with colored coupling between two kinds of noise. through the two - state theory, the expression of signal - to - noise ratio ( snr ) is obtained. the phenomenon of stochastic resonance is investigated
其次，我們綜合運用統一色噪聲近似和泛函近似的方法，推導了含有乘性色噪聲和加性白噪聲，並且兩種噪聲之間的耦合為色噪聲的雙穩非線性系統的定態分佈摘要不同類型的色噪聲對非線性光學系統的影響函數，然後通過雙態理論求出系統信噪比的解析表達式，對系統的隨機共振現象進行分析。 -
To reduce huge computation of the traditional stochastic optimization methods for engineering optimization, approximation model methods with acceptable accuracy for engineering design are developed based on the statistical theory
摘要針對在工程中完全採用隨機類優化方法尋優時計算量過大的問題，應用統計學的方法發展了計算量小、在一定程度上可以保證設計準確性的近似模型方法。 -
It is said that the stochastic perturbation method basically could not fulfil the requirement of dynamical random response problems. however, so far in the dissipative systems, this is not the case. thirdly, the unified approach is combined with the orthogonal polynomial approximation
3 ）將統一解法，與正交多項式逼近方法結合起來，指出文獻中流傳的採用正態pdf來描述隨機結構參數的缺陷，並先後提出了拱形概率密度與更具有一般性的? pdf模型，並分別與chebyshev多項式逼近、 gegenbauer多項式逼近相配合，構成了一套具有廣泛適應性的解法。
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