查询词典 spatial model

The MRC model of ICCD imaging system under the condition of standard A lamp is calculated, compared and analysed in the dissertation. The results indicate that the higher the spatial frequency is, the bigger the MRC parameter is.

比较微光ICCD成像系统MRC性能模型和测试结果表明：微光ICCD成像系统MRC计算结果与系统实际测量结果基本一致，且随着空间频率的提高，数据的一致性越好。

The Stanine model can be used to represent the standard module of students' spatial ability.

二、「空间能力量表」能有效建立常模：本研究常模之建立，系采用标准九的标准分数为模式。

Although the theories for plane deformation of thick-walled tube are abundant, there is few model based on the spatial formulation which is an intrinsic feature of swage autofrettage. After a review on the Davidson's experiment and his theory, as well as recent researches in China, We has solved the problem in three steps

第一章综述了塑性力学中厚壁筒平面问题的模型和六十年代初Davidson用于指导他的机械自紧实验研究的准平面模型，以及国内近年来已开始研究的将平面解答延拓到机械自紧问题中去的切块法。

Target discrimination is a key technique in missile defense system, and after analyzing the defense system configuration, an integrated target discrimination mathematical model based on recursive temporal-spatial data fusion is performed, which brings the expert knowledge, environmental information and measure information into the integrated discrimination flow.

摘要目标识别是导弹防御系统的支撑技术，本文参考导弹防御系统配置，建立了基于时空信息序贯融合的综合识别数学模型，将专家知识、环境信息以及测量信息共同纳入综合识别流程。

Fist, comprehensive analysis on the current study on data processing is made, and characters of Newton methods about nonlinear surveying and mapping data processing are discussed, and then new solutions to parameters estimate with multi-sources, multi-types, multi-dimension, multi-precision bynonlinear least square are presented such as PSB algorithm, digital continuation and generalized digital continuation algorithm, cone model method, tensor analysis method, GCMA(mixed algorithm of gradient method and conjugate gradient method), combining algorithm based on Newton method and gradient method and confidence region and so on, and a new fast difference iterative algorithm is proposed towards parameters estimation containing random parameters in nonlinear models, and a new solutions to nonlinear least squares surveying and mapping adjustment by parameters estimation both considering the random and nonrandom parameters is presented after studying on nonlinear data processing in deformation monitoring, and at last primary analysis on error propagation of spatial data is made and approximate error propagation formula and error analysis formula to length and area are proposed.

首先比较全面分析了目前测量数据处理理论的研究现状，讨论了牛顿类方法在处理非线性模型参数估计方面的特点，研究并给出了求解多源、多类型、多维、多精度、非线性最小二乘测量平差参数估计的若干种新方法，这包括PSB算法、数值延拓及其广义数值延拓算法、锥模型法、张量分析法、基于最速下降法和牛顿法的组合算法、基于最速下降

The model is used to map spatial prepositions into distinct topological structure.

使用该模型将各种空间介词映射为不同的拓扑结构。

This model can be used in the analysis of the stability of bending-torsionof thin-walled structures and the analysis of ultimate bearing capacity of spatial member structures.

采用本文提出的几何非线性分析力学模型可进行薄壁空间杆系结构的弯扭失稳分析，为实现薄壁杆系结构的极限承载力分析提供了较为精确合理的分析力学模型。

In this paper a new expression for robot the model is derived with the spatial notation developed in recent years, which shows that the matrix C with above property is not uniquely defined.

本文采用数学力学工具Spatial Notation推导出一种新形式的机器人模型，证明了上述C并非唯一确定的。

The ellipse curre equation of circular image is derived based on the theory of spatial analytic geometry and rotation matrix s representation with unit quaternion then a mathematical model of the distortion error is established which relates the distortion error to the foca length of the used CCD camera,the radius as well as the position and the attitude of the inspected circle directly.

研究三维视觉检测中圆的中心经针孔摄像机成像后存在畸变误差的问题，首先基于空间解析几何理论和旋转矩阵的四元数表示法推导出像平面上投影椭圆的参数方程；然后根据参数方程建立圆中心成像畸变误差的数学模型；最后对影响畸变误差的主要因素进行分析。

And by further correlated analyze the surface and spatial moving process and trajectory of different vortices, and the representative points on the vortex line and characteristic points on the curve of side force distribution, a physical model of multi-asymmetric vortices over a 3-D slender body is developed.

在对每个背涡从物面到空间发展和运动轨迹、不同背涡在空间的特殊位置关系、以及这些特殊位置与截面侧向力分布特征点的相关性进行对应分析的基础上，建立了细长体在大迎角亚临界Re数流动状态下非对称多个背涡的空间三维涡系结构物理模型。

Diabetes is a social disease that affects several million people worldwide.

糖尿病是一个社会性疾病，全世界有数百万人罹患此病。

I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.

我星期五会给您打电话在您方便的时候我们重新安排我们的午餐约会。