查询词典 theory model

The general diffusion process can be obtained as a limiting case, so that we have a unified framework in understanding existing models in option pricing theory, including the geometric Brownian Motion, the model of Constant Elasticity of Varianc, the Residual Volatility and term structure of interest rates. Our model is capable of demonstrating volatility smile and stable relative deviation from real data.

我们建立的一般框架可以统一理解目前已经熟知的几何布朗运动、广义方差常弹性、残余波动率、利率的期限结构等理论模型，也能描写观察到的波动率微笑和稳定的相对偏差。

The multi-degree-freedom equivalent model of INS bracket is also given and analyzed to improve the analysis precision. The dynamic response spectrum of this model is achieved by modal analysis and spectrum theory. The numeric formulas of time-domain response are deduced by residue theorem.

对于惯导减振支架的多自由度系统等效分析模型，则运用模态叠加法和谱分析理论得到响应的功率谱，根据留数定理推导了系统时域加速度动力响应的数值计算公式。

According to grey system theory, the long storage life of a resister is predicted using GM (1, 1) model and its improved model.

根据灰色系统理论，以某电阻器为例，应用GM(1，1)模型及其改进模型预测了其长期贮存寿命，所建立的模型具有较好的精度，有一定的参考价值。

In this paper, we present a class of equation model for image denoising and edge enhancement. The model is based on robust statistics error norm and variational theory.

本文基于稳健统计误差模函数及变分原理构造了一类用于图像去噪、增强边缘的方程模型，对相关参数进行了分析，设计了该方程有限差分数值求解的并行算法，并对分块模型及实现过程进行改进，提高了并行效率，在此基础上完成了并行数值实验，并对结果就误差模选取、并行效率等方面进行了分析。

In this paper, we present a class of equation model for image denoising and edge enhancement. The model is based on robust statistics error norm and variational theory. By analysing the parameters of the equation and designing the methods of module partitions, the numerical experiments reach a good result and the parallel efficiency has been improved remarkably with finite difference method.

本文基于稳健统计误差模函数及变分原理构造了一类用于图像去噪、增强边缘的方程模型，对相关参数进行了分析，设计了该方程有限差分数值求解的并行算法，并对分块模型及实现过程进行改进，提高了并行效率，在此基础上完成了并行数值实验，并对结果就误差模选取、并行效率等方面进行了分析。

At first, on the basis of the combination research methods of analytical theory, numerical simulation and experiment, the mathematical and physical model of certain-length rolling process have been established. Then according to the established model, the menstruation of rolling average friction coefficient is proposed; and then the certain-length rolling process and key parameters are determined.

采用理论研究、数值模拟和实验研究相结合的研究方法，建立定长轧制物理模型和数学模型；基于所建模型，提出了一种测定轧制平均摩擦系数的方法；确定了定长轧制工艺方法和关键参数；分析了影响制件轧制长度的因素；对关键参数进行了数值模拟。

Besides, it makes some modifications for the model and puts forward a new rule of multi-case variable substitution to solve the problems posed by the Chinese constructions called "JianYu", which are similar to the object control constructions in Chomsky's model of Principle and Parameter Theory.

同时，汉语一价动词、二价动词和三价动词的词项行为也是解释代词隐现的重要基础。本章验证了第四章解析模型中对汉语一般计算规则的限制条件，证明了对汉语词项行为的刻画是合理的。

As the logical foundation of sematics, it is Known that the model theory treats the relationships between syntactic constructs and semantical features thereof, and that the model theoretic logic cares, under the frame of abstract logic, for the similarity, distinctness and interrelationships among various extended logics.

作为语义方法的逻辑基础，模型论是研究逻辑的语法构造与语义属性之间联系的一门数理逻辑的分支；而模型论逻辑则是在抽象逻辑的框架中，用模型论的方法研究各种扩充逻辑系统的异、同及相互关系。

Finally, based on the Agent theory, a simulation model and program for the signalize intersection are presented, and the behaviors of the bicycles crossing the motor flow are simulated using the software platform NetLogo, the results shows that the probability choosing model of the traversing behaviors is well validated.

最后，基于Agent理论对信号交叉口内的交通个体进行了仿真建模，运用NetLogo仿真平台编制相应程序，模拟了自行车穿越机动车时的行为，仿真实验表明穿越行为的概率选择模型的合理性。

I shall take the simpleminded view that a theory is just a model of the universe, or a restricted part of it, and a set of rules that relate quantities in the model to observations that we make.

我用一个简单明了的观点来说就是，理论是宇宙的模型，或是宇宙的局限的一部分，也是一套将模型中的量与我们观察到的联系在一起的条例。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。