brownian motion 中文意思是什麼
brownian motion
解釋
布朗氏運動-
The fractal interpolation based on the self - similar of data interpolates data by certain mathematical model. the fractional brownian motion ( fbm ) is one of
分形布朗運動（ fractionalbrownianmotion ，簡稱fbm ）是用以描述地形表面分形特徵最有效的數學模型之一。 -
In this thesis, flow regime identification and malfunction diagnosis of fluidization were studied with fractal technology, the presented methods for both flow regime identification and malfunction diagnosis were proved of effectivity. main achievements are as following : 1. fractal brownian motion ( fbm ) was made from gauss noise and compared with pressure fluctuation signal of gas - solid fluidization, which demonstrated the similarity between the fbm and the signal
在通過fbm （分數布朗運動）數據模擬證明了氣固流化床壓力波動信號與分數布朗運動是相似的基礎上，提出了用分數布朗運動來模擬氣固流化床壓力波動信號，並採用r s分析法從信號時間序列中提取出hurst指數，通過分析信號hurst指數值對流化床流型和結塊故障進行了研究。 -
This paper reviews the history of research of long - range dependence and self - similarity in data network traffic, introduces the related concepts and discusses the physical interpretation of long - range dependence and self - similarity along with fractional brownian motion. finally, a method for generating fractional brownian motion random series is analyzed
本文將介紹長程依賴和自相似在計算機網路研究中的歷史狀況，相關數學概念，給出了基於分數布朗運動的計算機網路業務流呈現長程依賴和自相似屬性的數學和物理解釋，討論分析分數布朗運動隨機序列生成方法。 -
Consequently, i applied the r / s analysis on the composite index of shanghai stock exchange and component index of shenzhen stock exchange from 1996 to 2001, to study the fractal structure of csms. the result of the analysis shows that the returns of the indexes do not obey brownian motion, but follow a biased random walk with hurst exponent being 0. 63 and 0. 65 respectively. hence, we can conclude that the china ' s stock markets are not yet efficient informationally
本文進一步運用重標極差分析法，分別對進入規范發展階段后的滬、深兩市股價指數日收益率和周收益率進行了分形檢驗，發現上海股票市場和深圳股票市場均具有分形結構，赫斯特指數分別為0 . 63和0 . 65 ，長期記憶周期分別為362天和2犯天，進而得出中國股票市場有效性水平較低的結論。 -
On basis of fractal theory and the principle of fractional brownian motion, this paper puts emphasis on the following parts : firstly, the determination of fractal non - scale range on calculate fractional dimension is discussed, which adopts method associated artificial cognition with track decision. secondly, primeval data are segmented into blocks to evaluate their sub - fractional dimensions. in this process, the maximal value of sub - fractional dimensions in different directions is prioritized
本文利用分形幾何理論與分形布朗運動原理，重點研究和分析了以下的幾個問題：分形維數計算時無標度區的確定，使用了人工法與軌跡法相結合的方法；對原始數據進行分塊分別計算其子分形維數，考慮了實際地形特徵的方向性，計算得到的子維數為局部的最大坡度方向上的方向維數；改進了傳統的隨機中點移位（ rmd ）內插技術，使用不同的插值比系數進行插值。 -
On the assumption that investment fund follows geometric brownian motion, the pricing model of a short - period insurance contract that is affected by its investment profit is established
摘要在投資基金價格遵循幾何布朗運動的假定下，對短期保險合同，建立了在投資收益影響下的保費定價模型。 -
This simple result is at the root of the arithmetic and algebra of brownian motion and particle diffusion.
這個簡單的結果是粒子擴散和布朗運動的算術和代數基礎。 -
Review and pc demonstration of brownian motion theory
的往復壓縮機氣閥運動規律計算機模擬 -
By using fractional brownian motion envelope process and additional maximum delay constrain, the algorithm overcomes the shortcoming of those packet - loss - probability based methods which can not guarantee the packet maximum delay
該演算法採用分形布朗運動包絡過程對自相似業務進行分析，通過增加最大延時約束條件，克服了原先基於分組丟失概率的有效帶寬計算方法不能保證業務最大延時要求的不足。 -
Strong consistency of wavelet estimation in semip arametric regression models under brownian motion errors
運動情形的半參數回歸模型小波估計的強相合性 -
Finally, this paper explores the non - independence, the non - linearity, and the fractal of a strategic investment of a firm, and applies the fractional brownian motion formula for option pricing to evaluate the uncertainties of a strategic investment scientifically
最後，本文探討了公司戰略性投資的非獨立性、非線性及分形特徵，並運用不依賴獨立、正態分佈假定上的分數期權定價模型對戰略性投資的未來不確定性進行科學評估。 -
Fractional brownian motion plays an important role in the studies mentioned above
計算機網路業務量長程依賴性和自相似性研究過程中，分數布朗運動佔有重要地位。 -
In this paper, we focuses on the extended form of a class of o - u process used in [ 1 ], presents its analytical solution and specifically calculates its numerical characteristics, at last points out that its limit process is our familiar process - geometric brownian motion
研究了[ 1 ]中所使用一類指數o - u過程的推廣，給出了其解析解並具體算出了其數字特徵，最後指出其極限情形就是我們熟悉的幾何布朗運動。 -
Particles in brownian motion can often be seen in colloids under special conditions of illumination
布朗運動中的顆粒在特殊的照明條件下可以通過膠體的形式被觀察到。 -
In 1827, upon observing a suspension of pollen grains in water, he discovered brownian motion
在1827年，在觀察水中懸浮的花粉粒時，發現了布朗運動。 -
Brownian motion the random motion of microscopic particles due to their continuous bombardment by the much smaller and invisible molecules in the surrounding liquid or gas
布朗運動：顯微鏡下可見的顆粒的隨機運動，是由於在液體或氣體環境下許多小而不可見的分子連續碰撞產生的。 -
Abstract : the distributions of first hitting time and last exit time of a sphere for multiply iterated brownian motion are presented
文摘:給出了多重迭代布朗運動關于球面的首中時的分佈與末離時的分佈 -
It is a new approach to improve the accuracy of image classification in combining spectral feature with texture and structural features of ground objective on satellite image. based on the recognizable characteristics of satellite image, it is introduced how to describe and capture texture and structural features of ground objective by the discrete fractional brownian motion model. furthermore, neural networks are used for classification tool of satellite image. in classification spectral feature, texture and structural features of ground objective are used for the category of an irs - 1c satellite image. the category result shows this approach is better than the maximum likelihood classifier
根據衛星數字圖像特點，引入了分形方法來描述紋理結構特徵，利用離散分形布朗運動dfbm統計模型來抽取衛星圖像紋理結構特徵。在此基礎上，採用神經網路方法將紋理結構特徵與地物光譜特徵相結合，進行衛星圖像分類。試驗結果表明，該分法分類效果優于單純採用光譜特徵分類的最大似然法。 -
Moments of hitting time of geodesic sphere by brownian motion on riemannian mannifolds
黎曼流形上布朗運動關于測地球擊中時的矩 -
The major contents include the emission and distribution of aerosol, brownian motion and diffusion, coagulation, condensation and evaporation, electrical properties, optical properties, measurement of concentration, dry and wet deposition, aerosol chemistry, and climate effect of aerosol
主要內容包括氣溶膠的排放和分佈、布朗運動和擴散、碰並凝結和蒸發過程、電學和光學特性、氣溶膠測量、干濕沉降、氣溶膠化學以及氣溶膠氣候效應。
分享友人