查询词典 sampling distribution

It assumes survival time follow exponential distribution and quality of life initial value follow beta distribution. In order to correlate present quality of life with former quality of life, each quality of life were evaluations generated from AR(1) model. In addition, we set parameters of AR(1) model between 0 and 1, calculates expected QAST from different parameter combinations.

假设存活时间服从指数分布、生活品质初始值服从Beta分布，并利用时间序列一阶自我回归过程First-Order Autoregression Process， AR(1的模型产生各次生活品质评量值，使当次的生活品质与前一次的生活品质产生相关性，并将AR(1)模型中的参数设定为介於0与1之间的值，且产生不同的组合。

Beta distribution ; significant wave height ; logarithm-Beta distribution ; nonlinear

Beta分布；有效波高；对数-Beta分布；非线性

Based on the above analysis, and on the foundation of analyzing the existing probability reputation model, especially beta distribution reputation model, a formal reputation model based on Gaussian distribution has been discussed.

仿真实验表明，基于高斯分布的形式化信誉模型更接近最新的信誉，信誉振荡幅度小，在抵抗合谋攻击、诋毁攻击、身份攻击等典型的信誉攻击方面具有更强的抵御能力。

Taking beam with rectangular section as an example, the corresponding analytical solution of beam subjected to cosine distribution pressure is given through constructing the stress function satisfying all boundary conditions and biharmonic equation , which is a base of beam subjected to arbitrary distribution pressure.

以矩形截面简支梁为例，通过构造一个满足所有边界条件和双调和方程的应力函数，给出了梁受余弦分布力作用情况下相应的解析解，这为求解梁受任意分布压力作用下解的问题打下了基础

This distribution, then, has two modes called a bimodal distribution

这种分布有两个众数，叫做双峰分布。

In addition, there will be bimodal distribution for time series if there is a linear trend, but it doesn't change the probability distribution of differences of scalars.

同时，也发现，线性趋势的存在会使原变量的概率分布出现双峰，但是不会影响变量差的概率分布。

The pore size distribution takes on a bimodal distribution when the graphite particle size is 20.0μm.

于1450℃保温4h烧成的样品在0～800℃的平均热膨胀系数为6.4×10-6/K。

The result of attrition is that, where the areas of the whole leaves follow a normal distribution, a bimodal distribution is produced, one peak composed mainly of fragmented pieces, the other of the larger remains.

磨擦的结果是，在叶面上服从正态分布的地方就会产生两种分布方式，顶点上主要是小块，其他的地方是小块，其他的地方是大块的地方。

When fitness satisfies the bimodal distribution, the connectivity distribution of the network satisfies a generalized power-law form.

当Fitness服从一个双模分布时，网络的度分布是一个广义的幂律形式；当Fitness服从均匀分布时，网络的度分布是一个带有对数修正的广义的幂律形式。

Through the analysis of Black Sea data, it is demonstrated that whether or not a bimodal distribution depends strongly on the estimating methods and the truthfulness of bimodal distribution obtained by the maximum likelihood method is doubted.

数值模拟表明贝叶斯方法对双峰方向分布估计的有效性，将其应用于黑海实测资料，证明双峰方向分布的出现依赖于估计方法分辨力的大小，而用最大似然法得到的双峰方向分布值得怀疑。

The studies on the developing of new media are very important to the increasing of the area density of HDD and to the implementation of hybrid recoding technology.

光磁混合记录方法，是一种可以突破超顺磁极限的限制，并进一步提高硬盘记录密度和读写速率的一种新型超高密度信息存储方式。

In io, mTOR inhibition promotes T cell anergy under conditions that would normally induce priming.

体内研究中，在正常可激发免疫反应的条件下，抑制mTOR可促使T细胞无能。