查询词典 birational invariant

For real-time recognition, both the accuracy and the distortion invariant ability can be improved by using the bifurcating tree discriminant classification algorithm based on the multi-sample training with typical distortion images.

采用基于典型畸变图象的多样本训练的二叉树鉴别分类方法，则提高了实时识别系统的准确性和抗畸变能力。

In this paper, a novel method to handle both pose and lighting conditions simultaneously is proposed, which calibrates the pose and lighting to a predefined reference condition through an illumination invariant 3D face reconstruction.

提出了一种对人脸图像中的姿态和光照变化同时进行校正处理的方法，即通过光照不变的3D人脸重建过程，将姿态和光照都校正到预先定义的标准条件下。

A hybrid algorithm, which is based on the filtered feature and invariant-moment, is presented.

本文提出了一种基于滤波特征和不变矩的混合识别算法。

G. You's theorem and the theory of normally hyperbolic invariant manifolds.

本文第二章简要地介绍了低维不变环面的类型和共振不变环面以及它们的各种保存性结果。

The method also can be combined with J_2 invariant conditions and be described by osculating orbit elements.Finally,the results indicate that the formation drifts are greatly reduced with the optimized initial mean anomaly.And the drift of formations set up in osculating elements is decreased by(81.8681) percent,compared with that in mean elements,which proves the feasibility of this optimization design.

仿真算例表明：优化设计结果可以明显降低大椭圆轨道编队卫星的相对漂移量，与平根数描述的编队初始条件的设计结果相比，相对距离极大值点的漂移量降低约81.8681%，验证了基于主星平近点角初值的大椭圆轨道编队优化设计方法的可行性。

Then,based on these surface atoms 3D coordinates,uses the rotational invariant of spherical harmonic to simulate the protein surface.Through using this method,can effectively overcome the problem which should recomputed the protein surface continues during the space conversion.

在提取出的表面原子基础上，引用球函数具有的旋转不变性的特点，进行蛋白质表面形状的模拟，模拟出的蛋白质表面可以有效克服蛋白质在空间变换过程中需要不停进行重新计算表面问题，从而有效地提高了计算效率。

Based on present researches,by means of modern measurement and analysis techniques,systemic laboratory experiments,field investigations and through theory researches were conducted.And following are the major points and achievements presented in this dissertation:①The micro-convexity on fracture plane was studied.Analyzing and comparing the static attribute and dynamic variation of natural fracture with the artificial,untreated fracture,artificial and scabbled fracture as well,making out the criteria that artificial and scabbled fracture simulate natural fracture.②We take the effect of all the three primary stresses and stress invariant into account in the Lade-dbl yield criterion,which can preferably reflect all the yield and destruction characteristic of the rock material.

结合裂缝性储层应力敏感性研究现状，利用现代化测试手段，通过系列的室内实验以及深入的理论探讨，本文取得的研究成果包括以下几个方面：①从裂缝面上的微凸体入手，分析和对比了天然裂缝、人工但未经过处理的裂缝，以及经过粗化处理以后的人工裂缝的静态特征和动态变化，指出了经过粗化处理以后的人工裂缝模拟天然裂缝的依据；②Lade双曲服面屈服准则考虑了所有三个主应力或应力不变量对屈服与破坏的影响，能够较好的反应岩石材料的所有屈服和破坏特性。

Compared with the original contourlet transform, it is shift-invariant and can overcome the pseudo-Gibbs phenomena around singularities.

与原始的Contourlet相比，它是频移不变的，能有效克服Contourlet变换中的伪吉布斯现象。

Concrete cotent:In foreword,The author introuduces the conceptional fixing about " Mongolian clans original legend "; domestic and overseas study situation ; the meaning of the study ; research purpose .In chapter 1, Mongolian clans original legend's content summary , motif variation.In chapter 2, The author investigates some problems about the wolf、 the deer 、 the catele 、 the swan 、 the owl and the tree ,which is involved Mongolian clans original legend , whether have relation to clan totemism or not.In chapter 3, The author investigates the key element of invariant content about the ancestor stems from " human " and " heaven " in Mongolian clans original legend .

具体内容为：导论：&蒙古族诸氏族起源传说&的概念界定、国内外研究状况、选题意义及研究目的；第一章：蒙古族诸氏族起源传说的内容概要、母题变异；第二章：蒙古族氏族起源传说中所涉及的狼、鹿、牛、天鹅、猫头鹰、树木与氏族图腾崇拜是否有关等诸问题探析；第三章：蒙古族氏族起源传说中祖先源于&人祖&、祖先源于&天&等变异内容要素探析。

Firstly, the approach to recognize planar polygon by local invariant features based on cross-ratio is proposed.

在面向形状的目标模型识别方法研究方面，提出了两个模型匹配的应用算法。

The shaping method of noncircular part and the tool holder's radial motion characters in noncircular turning process are discussed in detail in the thesis.

论文详细研究了非圆零件的成型方法和加工过程中刀架的径向运动规律。

I have not really liked him,I do not like his this kind of disposition.

我没有真的喜欢他，我不喜欢他的这种性格。