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On shift equivalence of anomalous sampling sequence;2. In this peper it is mainly introduced that the 3-D picture transformation, such as rotation and shift , is carried out by the author using the method of vector algebra to construct compound object.

文章主要介绍作者在三维图形系统GP3D的设计开发中,以矢量代数的方法对三维图形元素作直接旋转、平移等变换,生成复杂的组合图形,并以旋楼梯的线框图造型进行验证。

Based on the vector module's characteristics of invariance of translation and rotation coordinate transformation,a new fragment matching method is brought forward.

根据向量模在平移、旋转等坐标变换中具有不变性的特征,给出了一种新的碎片匹配算法。

This door adopt double stall replace tradition foldout.The door can open 88 degree with no touch. The whole of the door move forth 3-4mm when close it,so it has perfect windtight performance.

门内安装JMLS-1型内置取代传统落后的合页固定门页工艺,门可开启880不要门碰,关门后整门向外平移3-4mm挤压,使该型机车入口门具有良好的密封性能。

Knee arthroplasties are designed to accommodate flexion, axial rotation and anteroposterior translation.

设计人工膝关节假体要使其能够具有屈曲、轴移和前后平移功能。

The following results are made from this research: Assessing data quality and band combination of different bands in line with geo-target features in desertification areas, and determining basic bands for desertification monitoring. And understanding and studying the spectral features and variation rules of geo-targets in the experimental area, raising that it is the basis of geo-targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo-targets, realizing that in a great extent spectral-integrated-form-based classification method can remove the phenomenon of "different spectrum with same objects" resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo-target with similar spectral forms and much different values of whole reflectionratio. It is suggested that "red edge" range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel-based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. The remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed.

研究结果如下:首先针对荒漠化地区的地物特征,对高光谱数据不同波段的数据质量、波段组合进行了评价,提出了适用于荒漠化监测的基本波段选择集;初步了解和掌握了研究地区的地物光谱特性及变异规律,进一步明确了掌握地物光谱特征和变异规律是用成像光谱仪数据提取地物信息的基础;发现了基于光谱整体形状的分类方法在很大程度上能够消除由于传感器、地物目标观测方向之间的角度变化引起的反射率曲线整体平移的&同物异谱&现象,对于谱形相似而整体反射率的值相差较大的两类地物,通过引入均值和方差图像参与分类得到解决;研究还表明在植被&红边&范围内的波段是进行荒漠化监测的主要特征波段,这些波段与植被生物量和盖度都有密切的关系,是开展精细植被分类研究和植被定量反演的重要基础;像元的导数光谱分析可以消除土壤背景的影响,是进行植被生物量和盖度定量反演的有力工具;建立了荒漠化监测主要评价因子的定量反演模型,并分析了模型的适用性。

In whole, it supported Bulter' views about the parallel between goal orientation and the motivations for social comparison.

整体而言,本研究支持Bulter对目标导向与比较动机的平移关系之看法。

Because there exists a high randomness an easier weighted method is used to establish Grid-format data to approximately describe 3-D space topography, 3-D topography is constructed for Grid-format data by using OpenGL technology, and a free transform of the space curved surface is realized, including parallel move, zoom, circumgyrate. Simultaneously, an algorithm of random incision of 3-D space curved surface containing most six sides is provided, in comhination of geologic evolution, element.

由于存在很大的随机性,采用较为简单的加权方法来建立规则网格Grid格式数据体对三维空间地形进行近似描述,利用OpenGL技术构造Grid数据体三维地形,并对构造出的三维空间曲面进行平移、缩放、旋转等自由变换,提供最多6个切面对三维空间曲面进行任意切割的算法,结合地质演化需要,利用双缓存技术实现了地质要素三维曲面动态演化过程。

The outer turning service door is the door which has no tram road and parallel move out of the coach, the door was supported by the circumrotate arm.

外摆式乘客门是一种无轨道的移出车门,门扇靠回转臂支撑,依靠转轴的转动带动门扇作近似于平行移动的运动,因而也称为平移门。

This program achieves geometrical transform algorithm of images levle-remove,circumrotation,Mirror,transpose,zoom and so on.

此代码实现了图象的平移,旋转,镜像,转置,缩放等几何变换算法。

In preprocessing part, it is contained normalization, segmentation, binarization, denoising, thinning and so on. And characteristic matching algorithm is used a mathematical model which is irrespective with circumrotation and displacement.

其中预处理部分由归一化、分割、二值化、去噪、细化等算法组成,且在特征匹配算法中使用了对图像旋转和平移无关的数学模型。

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。