查询词典 space model

The validities of amplitude features and their extraction method suitable in high-frequency SAR image are analyzed when they are used in UWB SAR image. An extraction approach of amplitude feature based on target contour is presented, and the corresponding effective amplitude features are proposed. The old dihedral angle model is analyzed and improved. The approach of azimuthal feature extraction is proposed based on the conclusion of the improved dihedral angle model. The problems, which appear when the common change detection methods are used to extract the change feature based on ROI, are analyzed. And a robust and feasible extraction approach is presented.

分析了适于高频SAR图像的幅度特征及其提取方法用于UWB SAR图像时的有效性，提出了基于目标轮廓的幅度特征提取方法及相应的适用幅度特征；分析了已有二面角模型在建模过程中存在的问题并进行了改进建模，基于改进二面角模型结论提出了方位向特征提取方法；分析了常用变化检测方法用于提取ROI变化特征时存在的问题，提出了一种稳健可行的变化特征提取方法。

By applying density functional theory, the relationships between the electron structures and the complexation of the two types of bis-β-diketone ligands (dithiol-γ-linked or alkyl-γ-linked) were investigated, based on the polarized continuum model of the self-consistent reaction field. Using the model B3LYP/6-31G**, the geometries of the ligands were optimized and the electron structure changes calculated.

基于自洽反应场中的极化连续介质模型，采用密度泛函理论B3LYP/6-31G**计算了以二硫醚和芳环为桥基的两类双β-二酮配体的空间构型和电子结构，结合其配合物晶体结构数据，研究配体分子电子结构与配位性的关联性。

We get the vary rules of mechanics character, study the dilatability and fractal characters of shear surface, analyzed the distortion manner of different kinds mixture, we build the forecast model though test results, while the results are generally same by different test ,so we can use the model to preestimate the mechanics index of mixture quickly.

本文通过试验研究了土石混合料力学特性随岩性、含石量、密实度及颗粒最大粒径等影响因素的变化规律，分析了土石混合料的剪胀性能、剪切面的起伏特征和分形特征、土石混合料的剪切变形破坏方式，经比较现场试验、室内试验及数值模拟的结果基本一致，并依据试验结果建立了不同类别土石混合料力学特性指标的预测模型，可通过模型快速预测不同类型土石混合料的力学特性指标。

After studying the relationship among information flow, problems and model, we optimized the DIO model.

在对流程、问题、模型三者之间关系的进一步探讨基础上，对危机管理信息流程分析的DIO模型进行了优化。

A structural model of DIO and TVP is put forward and a survey to examine the model is conducted accordingly.

为探讨不连续创新对科技创业企业绩效的作用机理，提出了不连续创新导向和创业绩效的结构模型并运用176家科技创业企业的数据进行了实证分析。

A fuzzy predictive control method based on improved T-S fuzzy modeling method thus is acquired. A series of predictive model is obtained by improved T-S fuzzy modeling method. The model includes input and output data before current time and future input value. This method does not need to solve Diophantine equation and nonlinear programming.

并在此基础上给出了一种基于改进递阶聚类模糊T-S模型建模方法的模糊预测控制算法，根据预测控制中的预测步长，建立多个包括当前时刻以前的输入输出数据、未来时刻的输入量的模糊预测模型，可以在不求解Diophantine方程的情况下通过最优化性能指标得到预测控制律。

The model railway exhibition offered most of the German parties the opportunity to design their ideal diorama, which would be integrated in the huge model railway.

此次展览为德国多个团体提供了按自己的理念设计立体模型的机会，最终这些作品将被整合成一个巨大的铁路模型。

Applying the reaction route that methanol direct reforming and methanol decomposition carry out parallel, the kinetic model with power function type was established for Samp-10 catalyst in SRM, and the parameters of the model were also computed by the least twain multiply method.

以Samp-10催化剂为例，采用甲醇直接重整和甲醇分解平行进行的反应途径，建立了适合其在SRM制氢反应中使用的幂函数型动力学模型，并利用最小二乘法确定了模型参数，得到了其速率方程表达式。

A new model of this kind based on Markov model and directed graph is put forward in this paper.

结合马尔科夫模型和有向图特点，提出了一种新的建模方式。

By analysis of a mathematic model of aircraft magnetic field, the airplane magnetic field model was expressed by the direction cosine and its product terms.

通过分析飞机磁场数学模型，将飞机磁场表示成方向余弦与其乘积项的函数。

He paid $5,000 for this cupcake.

他我这个纸杯蛋糕花了5000美元。

I mean, if you want to, that is

我的意思是，如果你们想吃的话。