我们已经研究了分别具椭圆和双曲不动点的二维保测度映射及其受摄三维扩张的KS熵。
We have studied the KS entropy of a 2-dimensional measure-preserving mapping with an elliptic or hyperbolic fixed point respectively, as well as that of its 3-dimensional extension.
首先，利用坐标变换将机器人在三维空间中的运动映射到二维平面上；
The coordinate transformation is used to translate the motion of 3D environment into a plane.
构造了虚拟工作平面与垂直工作平面，解决了二维手势向三维手势的映射问题。
Horizontal_plane and vertical_plane are constructed to resolve the problem of space mapping from 2d to 3d.
针对色彩方案的对比提出了以二维图象简化三维模型色彩方案的方式和二者映射的方法。
For the contrast of color schemes, method of simplifying 3d model's color project to 2d image and mapping way between them are developed.
本文通过构造形式级数的方式，给出了一种三维保测度映射系统中一维不变流形和二维不变流形的计算方法。
In the paper researches on a three-dimensional measure-Preserving mapping system are made, which is the three-dimensional extension of the Keplerian map-ping.
第二部分研究了SLM立体视觉的建模型问题，视觉模型描述了二维图像空间与三维物空间的映射关系。
Second, the modeling problem of micro stereovision with SLM is discussed, and a vision model that describes the projection between 2d image space and 3d object space is derived.
第二部分研究了SLM立体视觉的建模型问题，视觉模型描述了二维图像空间与三维物空间的映射关系。
Second, the modeling problem of micro stereovision with SLM is discussed, and a vision model that describes the projection between 2d image space and 3d object space is derived.
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