有限模型

词组短语

finite model

与有限模型相关的网络例句 [注：此内容来源于网络，仅供参考]

The extracted P-wave is reverse-time extrapolated and imaged with a P-velocity model using a finite difference solution of the scalar wave equation, the extracted S-wave is reverse-time extrapolated and imaged similarly, but with an S-velocity model, and converted S-wave data requires a polarity correction prior to migration to ensure constructive interference between data from adjacent source.

在模型中，每个网格点的纵、横波成像时间，为震源到该网格点的纵波初至时间。利用纵波速度模型和声波传播方程的有限差分解，对反射纵波进行逆时延拓和成像，利用横波速度模型和声波传播方程的有限差分解，对转换横波进行逆时延拓和成像，并在偏移前进行极性校正。

The result shows that: The variation rhythm of the sensitivity index changed unanimously for Jensen,Blank and Stewart water production functions of spring wheat in Liangzhou city,the volume is small in the former stage,then become large at the middle stage,and less at the last stage. Jensen and Stewart water production functions are better of spring wheat in Gulang County in 1987-1989. The Variation rhythm of water deficiency sensitive index is unanimous: the volume are small at first,then large at middle,and diminish at last. The Variation rhythm of water deficiency sensitive index is unanimous in Jensen,Blank and Minhas of flax in Liangzhou county in 1987-1989. The water deficiency sensitive index in Gulang district in 1987-1989 models bad,are too many minus. 3 Establishing the non-linear model to definitive the irrigation quota and dimension of single crop,according the three prototype Precipitation,allocating the limited water optimally according to full water supply,95 percent,75 percent and 50 percent. Economy benefit is the biggest aim function,so getting three groups for irrigation quota,irrigation dimension and benefit,the biggest benefit is the most optimal result.

结果表明：1985-1986 年凉州春小麦Jensen 模型、Bl(来源：10a1ABC论文网www.abclunwen.com)ank 模型和Stewart 模型的敏感指数变化规律接近一致，在前期较小，中期增大，最后再减小。1987-1989 年古浪春小麦水分生产函数以Jensen 模型和Stewart 模型拟合较好，其敏感指数变化规律比较一致，敏感指标值前期较小，中期增大，后期又减小。1983-1985 年凉州亚麻水分生产函数以Jensen 模型、Blank 模型和Minhas 模型敏感指标值变化规律比较一致：先减小，后增大，最后再减小。1987-1989 古浪亚麻敏感指数出现负值较多，模型拟合较差。3 建立单作物种植条件下灌溉定额与灌溉面积的确定的非线性规划模型，将有限的水量按照充分供水，95%、75%和50%供水来分配水资源，以经济效益最大为目标函数，得出三组灌区灌溉面积和效益结果，其中以效益最大为最优解。

Secondly, the gun barrel temperature field is solved by two-dimensional and one-dimensional heat conduction model with finite element method and finite difference scheme respectively.

其次通过对身管二维轴对称传热模型和一维径向传热模型的数值计算，研究了身管固壁的传热问题。二维轴对称传热计算采用了有限单元法，一维径向传热计算采用了有限差分法。

In this paper,the nonstandard analysis theory is used for inducing a metric space by a Loeb measure space.On this basis,a metric space is induced by a internal finitely additive measure space.The close relationship between the metric space induced by a Loeb measure space and the metric space induced by a internal finitely additive measure space is illustrated with the concepts and some properties of Loeb measure.Then,some properties of the metric space that induced by a internal finitely additive measure space are studied.In the first two chapters,we first Succinctly present the origin,development and research states of the nonstandard analysis.Then,the theoretical foundation of nonstandard analysis as well as the axiomatic nonstandard analysis are given.Finally, the nonstandard model and the saturation model are discussed,as well as some natures of the nonstandard model and several equivalent conditions of saturation model are given.

本文利用非标准分析理论，在由Loeb测度空间导出度量空间的基础上，由内有限可加测度空间导出了度量空间，并借助Loeb测度的概念和若干性质证明了由标准的测度空间导出的度量空问和由内有限可加测度这个非标准的测度空间导出的度量空间有着密切的关系，在此关系的基础上还研究了由有限可加测度这个非标准的测度空间导出的度量空间的性质在第一、第二章里，我们首先简单介绍了非标准分析的产生、发展及研究现状，接着给出了非标准分析的理论基础以及公理化的非标准分析，进而讨论了非标准模型和饱和模型，并给出了非标准模型的一些性质和饱和模型的若干等价条件。

This paper studies on weak invertibility of a linear finite automata based on its matrix model,gets a full and essential condition on which a linear finite automata weakly and invertibly delays finite steps,and also gives an algorithm whether or not a linear finite automata has weak invertibility .

主要讨论了基于矩阵模型表示的线性有限自动机的弱可逆性，利用矩阵模型得出了线性有限自动机延迟有限步弱可逆的充分必要条件，并且给出了线性有限自动机是否具有弱可逆的算法。

Firstly,different control strategies for sensor management are modeled by the real language measure. The legal behavior of control strategy modeled by FSA can generate a partially ordered set of controlled languages. Then an identification method of the language measure parameters based on an FSA model is proposed. The language measure creates a total ordering on the performance of the controlled languages.

首先，建立传感器管理控制策略的有限状态自动机模型，通过对可控制事件的非使能设定，描述不同控制策略；提出语言测度参数的递归估计方法与停止规则，并根据有限状态自动机模型产生语言的测度获得各种传感器控制策略的性能指标。

In this paper, we use FEM software ANSYS to simulate. Using FEM to evaluate the strength of pressure hull, the FEM model of outer covering and stiffeners can use shell element to establish, but it may waste much computing time to calculate. Therefore, in this paper, we can evaluate more easier by making use of the idea of effective-width, and considering the stiffener/plating combined moment of inertia.

本文采用有限元素分析软体ANSYS进行求解，在有限元素分析的模拟上，外壳与环肋均可用壳元素建立一实体模型来分析，但是在模型的建立上过於复杂，在解析上也需要更多的时间来计算，因此本文采用有效幅度的观念，考虑环肋与壳板间之组合惯性矩，将环肋部分取梁元素来模拟，如此一来可简化建立模型的困难度，且大大的缩短分析的时间。

Based on the classified system and ELM, this paper adds anticipation and irrationalness into Alife's learning model, and proposes an experience weighted and limited memory evolution model. In addition, we analysis the public problem model based on LMEM, observed the difference whether the Alifes could anticipate based on swarm platform.

在分类器系统和ELM模型的基础上，将预期和有限理性引入至人工生命学习演化模型当中，提出一种有限记忆演化模型LMEM，并在swarm平台上仿真公共问题模型，观察预期和有限理性对参与人策略选择的影响。

To enhance computational efficiency, mechanical subelement model is incorporated, for simulating material hardening properties, in the hybrid/mixed finite element analysis of finite deformation problems.

为了提高计算效率，本文首次把力学子单元模型引入有限变形杂交/混合有限元分析工作，用以简化弹塑性本构模型。数值分析表明，在有限变形杂交/混合有限元分析工作中使用该模型，能有效地提高计算效率。

To overcome this drawback of the classical fixed/free boundary of finite computational models for structure-foundation systems, a transmitting boundary model has been proposed to account the dynamic interaction between structures and foundations for dynamic analyses of periodically spaced structure-foundation systems subject to upgoing seismic waves.

结构-地基有限模型中传统的固定边界错误地将地震能量全部陷入结构的计算模型，严重影响了结构地震反应的计算精度。

与有限模型相关的网络解释 [注：此内容来源于网络，仅供参考]

finite difference equation：有限差分方程=>差分方程式

finite difference calculus 有限差分法 | finite difference equation 有限差分方程=>差分方程式 | finite difference equation model 有限差分公式模型

finite difference operator：有限差分算子

finite difference model 有限差分模型 | finite difference operator 有限差分算子 | finite difference scheme 有限差分格式

finite difference equation model：有限差分公式模型

finite difference equation 有限差分方程=>差分方程式 | finite difference equation model 有限差分公式模型 | finite difference equations 有限差分方程

finite measure：有限测度

finite mathematics 有限数学 | finite measure 有限测度 | finite model 有限模型

finite model：有限模型

finite measure 有限测度 | finite model 有限模型 | finite multiplier 有限乘数

finite difference model：有限差分模型

finite difference method 有限差分法 | finite difference model 有限差分模型 | finite difference operator 有限差分算子

finite state model：有限狀態模型

finite state Markov process 有限狀態馬可夫過程 | finite state model 有限狀態模型 | finite verb 動式動詞;限定動詞

finite dislocation model：有限错动模型

finite discrete system 有限离散系统 | finite dislocation model 有限错动模型 | finite displacement theory 有限位移理论

finite multiplier：有限乘数

finite model 有限模型 | finite multiplier 有限乘数 | finite nilpotent group 有限幂零群

Simmon's Bounded Rationality Model：西蒙的有限理性模型

有限理性模型(Bounded Rationality Model)西蒙的有限理性模型(Simmon's Bounded Rationality Model)20世纪50年代之后,人们认识到建立在"经济人"假说之上的完全理性决策理论只是一种理想模式,不可能指导实际中的决策.