总体参数

Events,Operation and Relation of Sets, Classical Probability, Geometrical Probability , Statistical Stability of a Frequency, Axioms of Probability, Conditional Probability, Total Probability Theorem, Bayes' Rule,Independent Events,Independent Repeated Trials, One Dimensional Random Variables, Discrete Random Variables, Distribution Function of a Random Variables , Continuous Random Variables, Normal Distribution, Distribution of a Function of a Random Variable, Multidimensional Random Variables, Joint Distribution Function, Marginal Distribution Function,Discrete Two—Dimensional Random Variables,Continuous Two—Dimensional Random Variables, Independent Random Variables, Distribution of Functions of Random Variables,Expectation,Variance, Covariance, Coefficient of Correlation, Bivariate Normal Distribution, Law of Large Numbers, The Central Limit Theorems, Sample and Population ,Chi—Squared, T and F Distributions , Sampling Distributions , Point Estimation , Interval Estimation , Testing Hypotheses , A Test of Significance for Parameters in a Single Sample From a Normally Distributed Population , A Test of Significance for Parameters in Two Sample From Normally Distributed Populations .

本课程的主要内容：概率的概念与运算、随机变量及其分布、随机变量的数字特征与极限定理、数理统计的基本概念、估计和检验的基本方法，随机事件与概率随机事件、事件的关系与运算、几何概率、统计概率等，条件概率、全概率公式、贝叶斯公式、事件的独立性、二项概率公式，随机变量的概念、离散型随机变量、随机变量的分布函数、连续型随机变量、随机变量函数的分布，多维随机变量及其分布函数、边缘分布函数、随机变量的独立性、二维随机变量函数的分布，数学期望、方差、协方差和相关系数、大数定律、中心极限定理，总体与样本， X 2-分布、 t-分布和 F-分布，统计量及抽样分布，假设检验的基本概念、单个正态总体参数的显著性检验、两个正态总体参数的显著性检验。

In order to improve precision of the howitzer and look for the optimal overall parameter, dynamic optimization of howitzer was carried through by combining ADAMS software and niche genetic algorithm.

为提高火炮射击精度，寻找最佳的总体参数，本文利用小生境遗传算法，实现了与ADAMS软件联合进行火炮总体参数动力学优化设计。

On the base of mathematical model of interdiction efficiency, Monte Carlo method is applied to numerical simulation of atack progress of airborne dispenser upon runway.

在建立封锁效率的仿真模型的基础上，应用 Monte-Carlo方法，进行机载布撒器攻击机场跑道过程的数值仿真，获得了影响封锁效能规律的总体参数，对机载布撒器武器系统研究具有一定的指导意

Grasp the overall parameters of the point estimates and interval estimation.

掌握总体参数的点估计和区间估计。

The standard error of a statistic provides an indication of how accurate an estimate it is of the population parameter.

统计量的标准误差表示该统计量作为总体参数的估计的准确程度。

We cannot accept or reject a hypothesis about a population parameter simply by intuition.

我们不能只凭感觉简单地决定接受或拒绝总体参数的某种假设。

According to the quality of HT statistics, we know that the sampling structure after adjusting is relatively closed to that of population. The accuracy of the population parameter inferred through this statistic will be higher than that have not considered the influence from background.

在确定出对核心问题回答有影响的背景因素之后，我们应用Horvitz Thompson统计量对抽样调查的数据作适当调整，由Horvitz Thompson统计量的性质，我们知道经过处理后的样本结构比较接近总体结构，由该统计量推断出的总体参数的精度比不考虑背景因素影响条件下的精度更优。

Aimming at the small sample of strapdown inertial measurement unit successive test data, a random weighting method is used to get the prior distribution function of population's parameter with the known prior information under the situation that the parameters' format of general distribution is unknown.

针对捷联惯性测量组合历次测试数据小样本的特点，在总体分布参数形式未知的情况下，根据已有的先验信息，提出了通过随机加权法，获得捷联惯组历次测试数据总体参数的验前分布。

In accordance with the seabed seamount environment, the article completed the whole program on the design of the running gear and the overall parameters of the calculation.

根据海底海山环境，文章完成了行走机构总体方案的设计和总体参数的计算。

This paper presents the mathematical model of optimum design of the undercarriage overall parameters of the elevated sprocket track-type bulldozer.

建立了高架链轮履带式推土机行走机构总体参数优化设计的数学模型，并以D7H为实例对其行走机构的总体参数进行了优化计算。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。