查询词典 spatial model

The experiments showed that the model can work efficiently and practically , and keep the topological insistency of the vector spatial data .

实验表明，该模型不仅可行，而且高效，并保持了空间要素和要素之间的几何拓扑一致性。

In order to measure instantaneous rotation speed, the rotation speed of the shaft in the spatial coordinate system is investigated and the measurement model for measuring instantaneous rotation speed of rotation mechanism is proposed.

为了测量瞬时转速，对旋转体转速在空间坐标系中的关系进行了研究，并建立了旋转机械瞬时转速测量模型。利用线阵CCD技术设计了一种新型光学瞬时转速测量系统。

It is able to perform spatial transformational movement, rotation, hoisting, tilting, planar rotation and tilted rotation. Based on configuration analysis, kinematic position equations were formulated, kinematic model of parallel fine-tuning structure was discussed as a key and inverse position analysis and velocity mapping equations were presented. Kinematic simulation of the mechanism was conducted using MATLAB software. A case study was provided, which applied the mechanism in tunnel erector assembling manipulators.

通过对该机构进行分析研究，建立其运动学位姿方程，重点探讨了并联微调机构的运动学模型，建立了其位置逆解与速度映射解析方程，运用MATLAB软件对该机构进行了运动学仿真分析；同时提供了该串并联机构应用于隧道管片拼装机械手的具体实例。

Based on the 2-D distribution of channel impurity, the distribution of 2-D electric field and 2-D interaction potential, which is caused by the interaction between the ionized impurity in the depletion layer and radiation induced positive spatial charge, is analyzed by using image charge method. Resolving Poisson equation, the mobility expression of N-type and P-type non-uniform channel MOS and the mathematics expression of the threshold voltage model of DMOS are obtained.

基于沟道杂质的非均匀分布，借助镜像法导出非均匀沟道辐照正空间电荷和沟道中电离杂质的二维场及其作用，给出非均匀沟道DMOS器件辐照正空间电荷与沟道杂质的二维互作用势。

The kriging model and the isogram maps accurately demonstrate the spatial distribution and the variation tendency.

Kriging 插值以及空间等值线分布趋势图能够直观的表现研究区内土壤盐分含量的空间分布状况和变化情况。

The principles are as follows:①preliminary interpretation is carried out on crosswell seismic data in depth domain to establish an accurate velocity model;②sinc interpolating function is used in depth-time conversion to realize waveform fidelity;③the recognition of surface seismic data is utilized to ascertain the reflection characteristics of crosswell seismic data in time domain;④ good spatial continuity of surface seismic data is adopted to retrieve the "hopper" defect in crosswell seismic profiles and the deficiency of lateral contrast between crosswell seismic data;⑤in fine calibration of well-side traces of crosswells and surface seismic data, coincident time-depth relation is used to match two seismic data so as to make the calibration more reasonable;⑥in multi-crosswell seismic data inversion by sparse spike inversion method, lateral restraints are strengthened to ensure the continuity of inversed wave impedance profile.

实现反演的基本原理是：对深度域井间地震资料进行初步解释；建立精确的速度模型；在对井间地震剖面进行深时转换时采用sinc插值函数实现波形保真；利用对地面地震资料的认识来落实时间域井间地震资料的反射特征；利用地面地震资料良好的空间连续性弥补井间地震剖面的"漏斗"缺陷和井间资料之间横向对比性的不足；在井间地震和地面地震井旁道精细标定中，通过一致的时深关系来实现两种地震资料之间的匹配，使井旁道的标定更加合理；在利用稀疏脉冲反演方法进行连井井间地震资料反演时，通过增强横向约束保证反演波阻抗剖面的连续性。

The model of errors analysis is established by applied force and transferring law of original errors. The modal with universality can be applied to position errors analysis of plane and spatial mechanism.

该方法通过机构中作用线、运动线研究原始误差传递的规律，建立误差分析模型，概念清晰，具有一般性，适用于平面与空间多种机构的位置误差分析。

In the standard linear regression model, spatial dependence can be incorporated in two distinct ways: as an additional regressor in the form of a spatially lagged dependent variable , or in the error structure.

然而，两个不同时段对全局统计具有显著影响的观测单元完全不同，反映了新疆区域经济发展过程的局部不平稳性。

This paper analyze fiscal policy convergence of 30 local government in china from 1997 to 2005,by extending the traditional convergence model to allow for spatial correlation.

在传统的收敛模型中加入空间因素，分析了我国1997-2005年30个省的财政政策收敛情况。

Based on single magnetic dipole model, the spatial filtering method of cardiac magnetic signal in the frequency domain was investigated.

本文利用心脏磁场单磁偶极子模型研究了心脏磁场强度检测信号的频域空间滤波法。

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。