| 1. | Probability density function
概率密度分布函数 |
| 2. | The probability density distribution of + conforms to the lognormal behavior
低速带间距的概率密度分布可用对数正态分布来描述。 |
| 3. | Particle velocity pdf particles trajectory model of two - phase flow and numerical simulating
颗粒速度概率密度分布轨道模型及数值模拟 |
| 4. | The coefficients of skewness ( cs ) and kurtosis ( ce ) have the feature of cs < 0 , ce
纵向脉动速度概率密度分布的偏态系数0 0 ，峰态系数ce 。 |
| 5. | The results are approximate unless the distribution of probability density of nominal stress was known
但要求已知名义应力的概率密度分布形式，否则只是一种粗略估计。 |
| 6. | At last , the probability density function shows multi - fractal characteristic , which is gauss distribution in euclidean space
流体微团的概率密度分布函数也表现出多重分形特征 |
| 7. | From langevin equation , the stochastic resonance characteristics of bistable system were investigated , including the probability density function and other character numbers
通过朗之万( langevin )方程，本文详细研究了双稳态系统的随机共振特性，得出系统稳态输出的概率密度分布函数及其数字特征。 |
| 8. | The probability density distribution of the particle velocity fluctuation differs in different flow regions , and is approximately normally distributed where the space restrictions are small . velocity fluctuation of particles with different sizes is similar
颗粒脉动速度的概率密度分布随流区有所差异；在空间尺度影响较小的范围接近正态分布；各种粒径的颗粒脉动速度具有相似的特性。 |
| 9. | Abstract : based on analysing factors resulting in the error from scanline survey on joint trace lengths , the actual process of scanline survey was simulated by the computer . the results show that , except the well - known factors resulting in the error from scanline survey on joint trace lengths , the probability density distribution of joint size also influences the precision of scanline survey of joint trace lengths
文摘:在分析导致节理迹长测量误差诸因素的基础上，用计算机对线测量的实施过程进行了模拟研究，结果表明，除了众所周知的导致节理迹长测量误差的因素外，节理长度概率密度分布形式对节理迹长测量误差也有影响 |
