查询词典 sampling distribution

Simultaneous sampling of particle size distribution and Doppler signal, data managing, data processing, result output.

该软件系统着重解决了粒子尺寸分布和速度的同时测量问题，具有以下三种功能：（1）粒子尺寸分布和Doppler信号同时采集、数据管理、数据处理、结果输出。

Covariance, correlation, linear combinations of random variables, sampling distribution of the mean, confidence intervals for means and proportions.

协方差，相关性，线性组合的随机变量，抽样分布的意思是说，置信区间的手段和比例。

The "exact" approach entails deriving a formula for the sampling distribution that holds exactly for any value of n.

"准确"方式需要对任何n的取值都得到样本分布的精确表达式。

It can eliminate the effect of rotor speed and sampling frequency on the distribution of wavelet analysis frequency band energy. Energy features of the frequency band gave unified physical meanings.

该方法能消除转子转速和采样频率对小波分解频带分布的影响，提取的频带能量特征具有统一的物理意义。

Replacing usual sampling distribution with new one,more economic results can be obtained by less cost,and 84 goldbearing structures have been found by 2 439 samples in Pingdu area.

用新的采样布局代替常规布局，能以较少的成本获得较多的经济效益，在平度地区以2 439个样品发现了84条有价值的含金构造。

Although both of them are used to drain stormwater out of city,they have different design standards, storm sampling methods,frequency distribution,and calculation methods of runoff.

2种排水系统遵循不同行业规范，采用的暴雨选样方法、设计标准、频率分布模型、设计流量计算方法等各不相同。

Its main work includes the Yellow River sediment cross-section tests, river bed surface quality sampling and particle size distribution analysis and so on.

其主要工作内容包括黄河河道断面淤积测验，河道表层河床质取样及颗粒级配分析等工作。

In this paper,The Sampling inspection plan of the standard form for the coefficient of variation of Gumbel distribution is given.

给出了 Gumbel分布变异系数的计量标准型抽样检验方案。

So, researching the influence to reflection wave features made by the factors, such as sand and mud thin-bedding seismic reflection feature, the thickness of single layer in the thin-bedding group, the thickness of subroutine structure, the number of layers in the thin-bedding group, type of incident wavelet, main frequency, sampling rated has the moment current significance and theoretical significance in the qualitative or quantitative seeking of single layer's thickness or thin layer group's thickness in the thin-bedding and forecast of the space distribution laws of thin reservoirs.

目前我国东部的石油勘探工作已进入精细勘探阶段，如何确定陆相地层中薄储层的空间展布规律及其性质已成为一个亟待解决的问题，由于我国东部的绝大多数中、新生代陆相含油盆地大都以薄层砂、泥岩沉积为主，夹有少量薄层碳酸盐岩、页岩及膏盐层，地层岩性和厚度横向变化均较大，而且这些地层的厚度远远低于常规地震勘探的垂向分辨率，因此，从理论上研究沙泥岩薄互层地震反射特征、薄互层组内的单层厚度、子结构厚度、互层组内层数、入射子波类型、主频、采样率等各种因素对反射波特征的影响，将对我们定性或定量求取薄互层组中各单层厚度或薄层组的厚度、预测薄储层的空间展布规律有一定的理论和现实意义。

The main content of this course includes collecting and sorting statistical data, static data comparison and analysis; descriptive and inference statistics, time series analysis , statistical index, probability and distribution, sampling, parameter estimation, hypothesis testing;simple , multiple regression and correlation analysis .

重要内容有：统计数据的收集和整理、数据的静态比较分析、统计描述与统计推断、时间数列分析、统计指数、概率与概率分布、抽样分布、；参数估计、假设检验、简单回归和相关的统计推断、多元回归和多重相关分析。

We have something to do in the new stage.

在这段崭新的时期中，我们有一些要做的。

The difference between tourism decision-making under uncertainty and risky tourism decision-making is indistinctive.

其中不确定性旅游决策和风险旅游决策的界线比较模糊，两者的区分是相对的。