This paper introduces a new method that measures Brownian movement track and particles size of submicron particles according to Langevin s Brownian movement theory.
本文介绍了以朗之万的布朗运动模型理论为依据测量超细颗粒布朗运动与粒径关系的一种新方法。
2
A method for describing heterogeneous media and fractional Brownian motion are introduced. The spectral density function of fractional Brownian motion is used to simulate the heterogeneous media.
介绍了非均匀介质的描述方法与分数布朗运动，并用分数布朗运动的谱密度函数模拟非均匀介质。
3
The thesis based on random fractal theory, utilizing fractional Brownian motion model, using R/S analysis technique and wavelet transform method to estimate Hurst exponent which dep.