不变平面
- 网络invariable plane
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一般三体问题在不变平面上的Hill零速度线
Hill curves in the unchanging plane of the general three-body problem
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这些周期轨与R-不变平面Fix(R)的交线是一些螺线段,而2-同宿轨线则对应于这些螺线段的一个或者两个端点。
The intersections of those 2-periodic orbits with Fix ( R ) are spiral segments , while one or two ends of them are the intersections of 2-homoclinic orbits with Fix ( R ) .
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贝氏体形成时呈现帐篷形浮突,不具不变平面应变特征;
The tent-shaped relief occurs during bainite formation does not show the characteristics of invariant plain strain .
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R~3中二次齐次向量场过原点的不变平面的存在性
Existence of invariant plane through the origin for homogeneous vector field of degree two in r  ̄ 3
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而{2,2,5}f片状马氏体和板条马氏体的宏观点阵变形特征不符合“不变平面应变”特征。
The { 3 , 10 , 15 } _f thin-plate shaped martensite exhibited " N " - shaped macroscopic lattice deformation , which is in agreement with the concept of " invariant plane strain " .
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对切应变主轴不变的平面简单切变过程,通过无穷小应变的积分,导出了真实切应变计算公式。
An equation for the calculation of true shear strain was derived from the integration of infinitesimal shear strain in plane shearing process with constant principal shear strain direction .
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同时分析了图像坐标系的选取和对运动参数的影响,提出了随手运动的坐标系,以抽取平移不变的平面模型参数,进行手势识别。
At last , the deviation caused by the coordinate system is also analyzed and a moving coordinate system is set up , from which translation-independent parameters of the planar model are extracted for hand gesture recognition .
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以n次代数曲线为不变集的平面二次系统
Quadratic System in Plane with N degree Algebric Curve as its Invariant Set
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基于极半径不变矩的平面单足足迹识别
Recognition for plane single-footprint based on polar radius invariant moment
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结合仿射不变特征的平面目标区域矩研究
Study on Region Moment of Planner Objects Combining with Affine Invariant Feature
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具不变集的平面二次系统
On quadratic system in plane with invariant set
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根据射影几何学中几何不变量的相关理论,本文利用共面五点交比不变特性实现平面非编码标记点的匹配。
Based on the theory in projective geometry geometric invariants , by which the non-coding marker point-plane matching can be realized .
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利用局部不变特征识别复杂平面多边形
Recognizing Planar Polygon by Local Invariant Features
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并提出一种参数分离的方法对传感器进行了标定,采用消隐线法标定激光平面的法矢量,利用交比不变原理标定激光平面的基线长度。
A Vanishing Line method is proposed to calibrate the normal vector of light plane and invariability of cross-ratio is proposed to calibrate the baseline length .