查询词典 sampling distribution

A sampling inspection method of Binomial distribution based on sequential posterior odd test was discussed in detail, which was used to the test for torpedo system.

Bayes理论是分析研究具有小子样特点鱼雷可靠性的有效方法，文中基于序贯验后加权检验的思想，给出针对二项分布的抽样检验基木方法，并将其应用在鱼雷系统抽样检验试验中。

Binomial distribution is preferred in testability demonstration,but it is discrete.Because of calculation difficulty,the sampling plan is usually worked out with some adaptations.

在测试性验证中首选的二项分布是离散取值的，由于计算困难，确定抽样方案通常采用一些变通的方法。

The effects of data sampling methods, its density and distribution on the accuracy of DEM are presented.

阐述了原始数据的采集方法及其密度、分布对 DEM 精度的影响。

Chapter six presents a two-waves sampling method to estimate a distribution function of a discrete random variable Y.

第六章研究在数据缺失机制形式未知时，通过两步抽样得到了分布函数的相合的估计量，且该估计量是渐近正态的。

For the diffractive optical element realizing beam shaping in the fractional Fourier transform domain,the transform matrix calculated by the discrete sampling points was compared with that calculated by the Fresnel integral,and the discretization error of the intensity distribution on the output plane was qualitatively obtained.

针对分数傅里叶变换衍射光学光束整形器件，比较了按离散点与按菲涅耳积分计算得到的变换矩阵间的差距，从中分析得出按离散点计算的变换矩阵引入的离散化误差与分数傅里叶变换系统参数的关系。

In order to study the near-surface permafrost distribution space, field survey and sampling method are used to study the issue.

为了研究近地表面多年冻土的空间分布规律，采用野外调查、取样方法对该问题进行研究。

On the basis of the minimum scale soil nutrient distribution generated randomly based on the given values of mean, standard deviation and related distance, or obtained by geostatistics analysis based on soil sampling data, the amount of fertilization, yield and fertilization use efficiency at different scales were calculated by related fertilizer models and yield models supported by geographical information system and computer simulation, then the simulation result was intuitively visualized by curve graphics and RGB primitive colors synthesized image and thematic maps.

系统通过随机数生成法或地统计分析法生成最小尺度条件下的土壤养分空间分布数据，以此为基础，采用GIS、计算机模拟技术模拟不同尺度的养分空间分布，并以肥料效应模型和产量模型计算不同尺度条件下的施肥量、产量和肥料利用效率，最后通过曲线图、三原色合成影像和GIS专题图实现形象直观地表达模拟结果。

This paper integrated the experts' judgments with grids as the sampling strategy in an abandoned pesticide plant in northern China, and applied a geostatistical method, inverse distance weighted interpolation, to simulate the pollutants- and risk spatial distribution.

本文以北方某废弃农药厂为例，结合专家判定采样法与网格采样法，采用地统计学方法中的反距离加权空间插值法，分两种情形将大于土壤环境基准值的区域划定为治理范围。

For the one-dimensional case, the relation of the length of the element content distribution curve L to the sampling interval r is L =Cr1-1/H with the fractal dimension D=1/H.

对于地壳上任一给定区域，沿某一测线进行地球化学测量的任一元素含量数据，由上式确定的D值和H值，对于沿测线方向该元素的含量分布在统计的意义上将是确定的。

Base on the principle, the main circuit and control circuit of 2-phase hybrid stepping motor systems are designed. The system can realize many functions such as fix-frequency pulse width modulation, current sampling, power magnifying, ring distribution, producing control signal, and so on.

完成了对二相混合式步进电动机微步驱动系统主电路及控制电路的具体设计，实现了恒频斩波、信号检测、环形分配、微步信号的产生等功能，并搭制了实验电路进行实验验证。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。