查询词典 mathematical analysis

From the view of mathematical tools used in the investigation of probability, this paper divides the history of the theory into stages and attempts to analysis the characteristic of each stage.

本文从概率研究所使用的数学工具这一角度，尝试对概率论的历史进行划分，并且试图分析每个时期的特征。从历史上看，概率论经历了三个主要发展阶段。

Mathematical modeling of the engine propulsion system is necessary for the system analysis and system design.

针对该系统进行数学建模是系统分析与设计的基础。

In the process of building up the system, all the following works are done: confirming the index system of the gas pipeline by the maximum quadratic mean deviation analysis, caculating the index weight by the means of AHP, bringing forward three easy and useful methods (TOPSIS, the effect function and the integration index) of the gas pipeline's engineering schemes' multi-valuation and at last the mathematical models of the maximum compatibility degree is introduced to integrate all the results of all methods above.

在构建这个系统的过程中，主要从事了以下一些工作：通过统计理论中的最小均方差法分析确立了输气管道指标体系；采用层次分析法对输气管道指标权重进行了分析计算；提出三种简单易行的用于天然气管道设计方案评价的新方法：理想点法、效用函数法和综合指数法；最后将决策理论中的最大兼容度模型用于输气管设计方案评价中。

With sevaral mathematical methods such as the theory of quantification,Fuzzy mathematics and analytical evaluation,this paper,providing its analysis and evaluation of the gas production situation,and the earthquake and geological data,descovered the internal relations between earthquake information, petroleum and gas deposit codition.

采用数量化理论、Fuzzy数学方法与判别分析法对油气井的产气状况和地震、地质信息进行了分析与评价，找出了地震信息与油气状况的内在联系。

The Radon transform is a mathematical technique widely used in seismic data processing and analysis.

Radon变换是数据处理中广泛应用的一种方法技术。

In study of the truss structural dynamic characteristics analysis, randomness of the structural physical parameters and geomtric ones are all considered. The finite element model of the stochastic truss is built and the random functions of its natural frequencies are obtained by use of the Rayleigh quotient. Employing probabilistic distribution function expression for the random functions, through a series of mathematical processing including determination of limits of integrals, variable substitution etc., the probaabilistic density function for the truss natural frequencies are gained to realige accurate calculation for the reliability of the truss natural frequencies.

考虑结构物理参数和几何参数的随机性，通过构建随机参数桁架结构的有限元模型，利用瑞利商公式获得了结构固有频率随机函数的计算表达式，应用随机函数的概率分布函数表达式，通过确定积分区间、变量替换、积分顺序变换等一系列数学上的处理，获得结构固有频率的概率密度函数，进而实现对结构固有频率可靠度的精确计算。

The mathematical model and simulation system software for recrystallization texture analysis has been established.

建立了铜再结晶织构分析数学模型与计算机模拟软件。

As we all know, recursive series of mathematical convergence is an important part of the analysis.

众所周知，递推数列的收敛问题是数学分析中重要内容之一。

Based on the matrix analysis, the error sources of the measurement accuracy are analyzed, and the maximum relative error of this mathematical model is estimated.

实验数据表明，该方法将飞行器的姿态变化进行了有效放大，在一定转动范围内，对于姿态参数的测量误差不超过3′。

Through the establishment of the mathematical model of retail merchant's ordering strategy and supplier's ordering decision-making in whether there is in information sharing situation or not, this has carried on the key analysis and the elaboration to the information sharing value, and comes to the conclusion that the value of information sharing is based on the reduction of the cost in stock of the supplier and finds the corresponding calculational method.

通过建立零售商的订货策略和供应商在有无信息共享的情况下的订货决策的数学模型，本文对信息共享价值进行了重点分析与阐述，并得出信息共享的价值来源于供应商库存成本的减少的结论以及相应的计算方法。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。