probability density distribution

The Weibull distribution is used to describe the probability density function of voltage-tolerance curve.

用威布尔分布作为元件电压耐受曲线的概率描述形式.

The joint probability density distribution of crest height and crest period

风浪波高和周期的联合概率密度分布

Diffusion probability density function in fractals is described by stable distribution.

物质在分形结构中的扩散密度分布函数属于稳定分布.

According to this spatial distribution, the probability density of each pole is calculated, thus forming a density map with principle and method of the spherical projection.

按照这样的分布规律统计空间上各极点的概率密度，并用球面投影原理和方法形成密度图。

This paper discusses theoretically the problem of recovering true amplitude of sign-bit seismic recording. It gives respectively the error formulas in recovering true amplitude when probability density of random noise is in uniform distribution and in normal distribution.

本文从理论上讨论了恢复符号位地震记录真振幅的问题，分别提出了随机噪声的概率密度呈均匀分布和正态分布时恢复真振幅的误差公式。

As the test scheduling problem has been verified to be NP problem, this dissertation adopts a new optimization algorithm based on probability density distribution called cross-entropy method for test scheduling.

由于测试调度问题已被证明属于NP完全问题，本文采用一种新的基于概率密度分布的优化算法&交叉熵方法，对其进行求解。

The pattern of probability distribution on the density of demersal fishes stock in the northern continental shelf of the South China Sea

南海北部大陆架底层鱼类资源密度概率分布型的研究