查询词典 space curve

Inconsistent states are the reachable ones of a certain dynamics systems on which the phase curve cannot extend continuously in state space.

如果考虑这些因素，在状态空间，力学系统的状态可能出现非协调的情况。

The principle of moving point constraints in-betweening technique is to associate a curve varing in space and time with some points of the animated object.

移动点约束条件插补法利用随时间空间变化的曲线与彩体上的点相关联，来控制关键帧上对应控制点的轨迹以厦动态特征。

Under this situation, sparse signal expansion theories, a kind of new multiscale analysis theory that has been developed in recent years, possess a better performance in detecting the singularities of the signal with straight line or curve in high dimensional space and can be used to express signals with sparse coefficients.

而稀疏信号表示理论是近几年发展起来的一类新的多尺度分析方法，它们对高维空间中具有直线或曲线奇异性信号具有良好的检测性能，可以用稀疏的系数来表示原信号。

In this thesis, enlightened by the curve surface fitting in three-dimension space and combined with device gamut characteristics, a two variable high order polynomial method and its mathematical model were developed.

本文基于三维空间中曲面拟合的思想并结合色域特征，提出了色域的双变量高阶多项式解析描述方法及其数学模型。

The high precision reflector panel is part of a paraboloid of revolution. Taking the forming technique of separated manufacture, the precision of the panel edge is important as it is a curve in space.

高精度反射器面板型面为旋转抛物面的一部分，采用分块成形拼接安装的方法制造，每块面板的边缘形状为空间曲线，对边缘精度要求很高。

Mathematics Any of a set of two or more numbers used to determine the position of a point, line, curve, or plane in a space of a given dimension with respect to a system of lines or other fixed reference.

坐标：由两个或多个数值组成的数组中的任一数值，用来在一个直线系统或其它固定参照数值方面决定点、直线、曲线或平面在已知范围空间内的位置

This algorithm changes the detect points on the target trajectory to the respective curve in parameter space, which takes full advantages of the target detect data in a certain period, and the trajectory characteristics can also be picked up even under low SNR.

该算法把航迹上的观测点变换为参数空间的对应曲线，充分利用一段时间内的目标观测数据，在低信噪比下也能从背景噪声中提取目标的航迹特征，提高了声呐的检测概率，且对部分信息和数据的缺失不敏感。

A NURBS surface can be trimmed conveniently also along the projection line in specified direction on the surface from a curve in 3D space.

为了提高Trimmed NURBS曲面线框图的显示效率与准确性，提出了一种用直线段填充多边形区域的新方法一"跨越法"。

The vibration of drilling string in horizontal well is closely related with the overall length of the drill string and structural shape. In this paper ,a mechanical model of longitudinal vibration of drill strings is established by studying the overall drilling string,seeing a hole as arbitrary bending curve in three-dimensional space.

本文以整体钻柱为研究对象，将井眼视为一条可以任意弯曲的三维空间曲线，建立了水平井钻柱纵向振动分析的力学模型。

Based on the decided configurations, the continuity condition of combined Bezier curve in Euclidean space and De Casteljau algorithm on Lie group SO(3) are integrated to construct a combined Bezier positioning path of C^2 continuity at junctional configuration, and an illustration of different positioning path planning is analyzed in detail based on a liver tumor case.

根据确定的位姿，把组合Bezier曲线的连续条件和SO(3)的De Casteljau算法结合，构造出了一条在衔接位姿C^2连续的组合Bezier曲线路径用於定位，并且根据一例肝脏肿瘤病例对各种连续路径作了详细分析。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。