查询词典 estimation of parameter

The third part discusses one of the core context——demand analysis,it mainly analyzes the Randomness of demand,including source and influence.Then it analyzes Poisson demand process including Characteristics,proof and the thought,feasibility and necessity of transformation to Normal Distribution and it gives the way and process of transformation——parameter estimation,Then it verifies unbias of parameter and adopts\'test of hypothesis.

第三章探讨了库存成本中的核心内容之一——需求分析，即主要针对需求的随机性进行分析，包括随机性的来源与影响，继而对需求为泊松分布进行分析，包括特点，证明及其向正态分布的转化的思想，可行性及和必要性，并给出了转化的方法及步骤——参数估计，并进行参数估计的无偏检验和假设检验。

In this paper, the conditional mean and its applications to Bayesian estimation of the parameters and reliability measures of common failure distribution which include two-parameter exponential distribution, left truncated two-parameter exponential distribution, normal distribution and lognormal distribution are discussed.

本文讨论了条件均值对某些常见失效分布的参数与可靠性测度的Bayes估计的应用，这些分布包括，双参数指数分布，左截尾双参数指数分布，正态分布与对数正态分布。

In parameter estimation, the Minimum Variance Unbiased Estimator of a parameter θ can be characterized by sufficient statistics and the Rao-Blackwell Theorem.

但匪夷所思的是，有人还再加上"生肖"这样一个中国特有的"统计量"，再对各星座的性格做出统计判断。

A kind of uncoupled ,variation parameter and chaotic synchronization method is suggested for anti-attack of phase space reconstruction and parameter estimation.

为有效抵御相空间重构和参数估计方法的攻击，提出了一种变参数，非耦合的混沌同步方法。

The petrophysical properties reflect reservoir heterogeneity by integration of well testing with reservoir performance are acquired by means of geostatistics , multi-parameter cluster analysis , neural network technique , a set of method of quantitative division and estimation to reservoir quality unit in carbonate pools of fracture and vug type is explored , the estimated parameter for different unit is acquired. which lead to better the understanding of reservoir behavior and heterogeneity.

以地质统计学技术、神经网络技术和多参数聚类分析技术为手段，利用试井资料及其它开发动态资料，动静态资料相结合，研究和求取了反映岩溶储层非质性的物性参数；研究和探索了一套缝洞型碳酸盐岩储层开发储集质量单元的定量划分和评价方法，建立了不同单元的储层质量评价参数，深化了对缝洞型碳酸盐岩储层非均质性的认识。

The semilog and type curves math method is the base and general method for parameter estimation, but the analysis ability is limited and the value of obtained parameter is not precise.

同时，还提出了基于特征元提取的混合人工智能神经网络方法，使得网络对实测曲线信号模式的识别能力更强，能完成更多更复杂的分类任务。

Four important conclusions were drawn. First, the CMLE method is the most suitable pro-cedure for parameter estimation in 1-parameter model. Second, the test construction of TIPS guided by classical test theory will not be valid for obtaining reliable measures. Third, the systemmatic ICC presenting method presented the perfect item and ability latent traits for the results in CMLE findings. Fourth, the complicated analysis of reliability coefficient and likeli-hood parameters met the precise and accurate measures of latent traits in either integrated process skills or hypothesizing skills.

本研究四项主要结论如下：一是CMLE确为分析试题潜在结构的量化模式，本文之精心分析过程及分析技术本身即为重要的测验资料分析规范；二是TIPS全卷及试题与原始之评量目标对应关系并未如古典测验理论之分析结果；三是各试题之表徵曲线图示法，显示在同一难易度鉴别度下，CMLE估计法分析确实显现高、中、低能力群之试题及能力特质；四是由信度系数及概度参数分析精准地显示了全卷及形成假说技能之试题参数之潜在特质。

Based on the above-mentioned parameter, according to the relationship between robust estimation and nonlinear diffusion, the Turkey loss function is introduced as the diffusion function in SAR image decomposition because of its better performance, and the contour of an image is extracted by the Turkey diffusion function with the proposed diffusion parameter mentioned above. The experiment results indicate that the Turkey loss function based diffusion process can strengthen the conspicuous contour. Additionally, a Raita\'s criterion-based method, solving the automatic diffusion threshold, is proposed to automatically set the threshold in diffusion decomposition.

针对基于梯度参数和局域方差系数的扩散在对SAR图像进行分解时存在的缺陷，提出了一种局域方差系数与窗口幅度均值积的扩散系数，该系数能够更有效地实现潜在目标区域和背景区域的区分；在此基础上，根据鲁棒估计与非线性扩散的联系，引入扩散效果更好的Turkey损失函数作为图像分解中的扩散函数，并结合局域方差系数与窗口幅度均值积的扩散参数来提取图像的轮廓，结果表明：基于Turkey损失函数的扩散过程对特征突出的边缘所起的&强化作用&更加明显；此外，针对扩散分解中的阈值确定问题，提出了一种基于拉依达准则的扩散阈值自动求解方法，实现了扩散阈值的自动求解。

A motion tracking model based on the Mumford-Shah segmentation model and a parameter estimation method based on the level set value is proposed to track the motion of the heart mitral valve and estimate its motion parameter.

5提出了基于M-S模型的运动目标检测方法和一种基于水平集函数值的参数估计方法，并应用于心脏超声图像二尖瓣膜的运动检测。

A128 There are three(3) parameters. Parameter 1: current data set disposition Parameter 2: normal close action for data set Parameter 3:abend action for data set.

A128 有3参量。参量1：当前的数据集状态(新建，共享，已存在并当前独占，新建并独占)；参量2：数据集正常结束；参量3：数据集异常结束。

A carrier gas such as nitrogen is directed through line 20 and valve 22 to connect with line 26 and mix with the gas sample.

如氮气之类的载体通过管线20和阀22引入，与管线26相通，与气体样品混合。

But for the most part, knaves and parasites had the command of his fortune

然而支配他的家产的大多是恶棍和寄生虫。