研究了基于草图轮廓的拉伸与旋转特征模型重建的生成方法，以实例零件说明本文提出的重建方法是切实可行的。
The generation methods of sketch-based feature model reconstruction are presented in this thesis. Experimental results show that the methods presented here are reliable.
大多数的三维雕像，无论是站立的、坐着的还是跪着的，都表现出一种被称为“正面描绘”的特征：它们面向正前方，既不扭曲也不旋转。
The majority of three-dimensional representations, whether standing, seated, or kneeling, exhibit what is called frontality: they face straight ahead, neither twisting nor turning.
考虑添加其他手势识别，例如通过从synclient输出中进一步提取特征来识别按压旋转动作。
Consider adding additional gesture recognition, such as pinch rotate through further feature extraction from the synclient output.
找一个缓慢旋转并且局部特征明显的恒星，那就意味你这找到了一个能够孕育生命的成熟的太阳系。
Find a slow-spinning star with a fairly clear complexion and you've got a mature solar system that could harbor life.
根据速度传感器的型号，每一个轮齿产生的脉冲数可以是2- 16，并通过实时处理的特征，确保这一脉冲从第一个轮齿开始旋转时就能感应到。
Depending on the sensor model the number of pulses resulting from each gear tooth may be 2 to 16, with the nature of the realtime processing ensuring that this occurs from the first tooth sensed.
通过将对数极坐标和傅立叶变换结合，完成旋转不变的傅立叶纹理特征提取。
In this paper, we incorporate Fourier transform with Log-Polar transform to achieve rotation invariant texture analysis.
压降是超重力旋转床流体力学的重要特征之一。
The pressure drop is one of the most important characteristics in hydrodynamics of high-gravity rotating bed.
例如，带有古典木制扶手和旋转式扶手栏杆的楼梯被保留下来，因为它代表了建筑最独特的原始特征之一。
The staircase with its classical wooden handrail and turned balustrades, for example, was preserved as it represents one of the building's most distinctive original features.
实际应用结果表明这些特征是典型的、有效的，它们不随图像位移、旋转，伸缩变化而变化。
The result shows that all this features are typical and effective, and invariable with the image displacement, rotation and flex.
在对时域和频域数据分析的基础上，论述了旋转失速和喘振状态下叶片振动响应的特征。
Based on data analysis in both time and frequency domain, characteristics of blade vibration response at rotating stall and surge condition are introduced.
分析了在离散状态下比例因子对不变矩特征的影响，构造了一种新的不变矩，使其具有平移、旋转和比例因子的不变性。
This paper analyses the influence of scale factor on moment invariant features in discrete, constructs a new moment invariant with both scale, translation and rotating invariance.
在研究数据挖掘技术的基础上，建立了旋转机械故障诊断的特征挖掘模型。
A feature mining model was set up for rotating machine fault diagnosis, based on data mining.
界定旋转餐厅的概念与内涵，总结旋转餐厅的特征与类型，并分析其在当地社会、经济生活中的效用。
A summary of the types and characteristics of rotating restaurant; Analysis of its effectiveness on economy and society.
试验结果表明，变窗移傅里叶变换算法正确可行，可有效提取旋转机械振动信号转速谱阵的特征信息。
The experimental results show that it is correct and feasible, and can extract characteristic information of the rotating speed spectral map effectively.
本文基于旋转矩阵单位四元数分解定理，提出一种由3D特征点空间位置估计运动参数的算法。
Based on the unit quaternion decomposition of rotation matrix, this paper puts forward an algorithm to estimate motion parameters from the space position vectors of 3d feature points.
本文的主要内容包括以下几个方面：1论述了大型旋转机械典型故障特征。
The main parts of this dissertation are as follows: 1 Have expounded the main characteristics of typical troubles about the large-scale revolving machinery.
介绍了离心式压缩机旋转失速的故障机理及故障特征。
The fault mechanism and its characteristics of the rotating stall of a centrifugal compressor were introduced in detail.
接着简单介绍了DM 7006系统的结构、本课题的由来以及旋转机械的状态特征参量。
Then it presents briefly the structure of DM7006 system, the raise of this project and the characteristic parameters of rotating machinery.
在特征匹配阶段，通过对特征模板的旋转解决指纹图像的旋转不变性问题。
The rotating invariance of fingerprint images is solved by the rotating of feature models in feature matching.
本文采用与时间有关的线性微扰理论，分别讨论了旋转气流、纵向气流的作用，以及它们共同的作用下电弧螺旋不稳定性的特征。
The linear time perturbation theory is used in this paper, the effects of rotary flow, axial flow and both of them to the arc stability are discussed respectively.
然后介绍基于归一化旋转惯性（NMI）特征的运动目标跟踪系统。其中包括系统结构及运动分割、运动匹配技术。
Thirdly I introduce the system of motorial target track based on NMI feature, including the structure of system and the technique of movement partition and movement match.
在分析了膜生物反应器内物质传递和水力旋流器内流态特征的基础上，提出了三相旋转流膜生物反应器概念。
Based on the analysis of material transfer in MBR and the state of flow in hydro-cyclone, the conception of MBR with three-state rotating fluid was proposed.
比对过程中首先根据两个集合中的全等三角形求出它们的旋转和平移参数，然后对根据参数进行转换后的特征集合进行点模式匹配。
In the matching process the parameters of rotation and displacement were obtained by two congruent triangles, then the point-pairs matching would be performed on the transformed sets.
构建了一种新的局部梯度方向直方图，同时定义了特征点的主方向，从而提出了一种具有旋转不变性的图像配准算法。
A novel gradient orientation histogram was built using a Gaussian-weighted circular window and a major orientation to each feature point was assigned based on local image properties.
从来自旋转体文物碎片中估计出旋转轴，轮廓线这些整体特征有助于快速修复文物。
Extracting entire features, such as rotational axis and profile from archaeological fragment is helpful for rapid reconstruction of cultural relics.
本文提出了以相关理论为基础，以图象中圆环参数自相关函数的最大值及互相关函数的最大值旋转不变为特征的图象匹配方法。
This paper presents a match method for letter images based on the coherence theory and properties which the maximum correlative values of the ring-data, however to rotate, are constant.
本文提出了以相关理论为基础，以图象中圆环参数自相关函数的最大值及互相关函数的最大值旋转不变为特征的图象匹配方法。
This paper presents a match method for letter images based on the coherence theory and properties which the maximum correlative values of the ring-data, however to rotate, are constant.
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