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The research of matrixes is continuously an important aspect of the quaternion division algebra. The purpose of this paper is to discuss the property of skew self-conjugate matrix. The definition of skew self-conjugate matrix on real quaternion division algebra is given.

四元数上矩阵的研究是四元数代数理论中的一个重要方面,本文研究实四元数上斜自共轭矩阵的性质,给出实四元数上斜自共轭矩阵的定义。

In such doing, this dissertation serves as a step stone for papers of its counterparts to come, and, more importantly, it proposes a strategic alternative to the realization of models for image processing. This dissertation consists of three major parts. In the first part, detailed discussions and delicate analyses of academic papers on Cellular Neural Network will be provided in the hope of helping us see the potentiality of Cellular Neural Network in the applications of image processing. I will focus on the aforementioned limitations on hardware compilation as well. In the second part, I will put forth "texture analysis" as one basic model of analysis when we apply Cellular Neural Network to image processing. In this so-called texture analysis, a useful "spatial feature" is especially drawn to help us overcome possible problems of more complicated Cellular Neural Network applications in image processing."Spatial feature" also serves as a well-functioning mechanism for technology of image identification. In the last part of this thesis, I will look into a case study, where Cellular Neural Network is applied to help de-screen document image. Using it as an example, we will see how algorithms of Cellular Neural Network may be of marvelous use in applications in document image processing, since it would reduce a great deal of calculation and computation when applied to software compilation, yet opens up unlimited possibilities for higher-speed hardware compilation of high-level image processing.

这篇论文主要可以分为三大部分:在第一部份里,我们会详细地说明并讨论在过去到现在大部分将分子类神经网路应用於影像处理的相关文献及未来所有可能的发展和技术,另外也将分子类神经网路作一完整的介绍,除此之外,我们也会特别著重於分子类神经网路在影像处理相关应用理论的讨论以及其硬实现化的考量;在第二部分里,我们提出了一个将分子类神经网路应用於影像辨识处理的基础分析—纹路分析,这是由於纹路分析的复杂性和普遍性会使得分子类神经网路於高阶影像处理的应用不会只局限在单一的影像处理技术,其中我们也提出了一个相当有用的空间特徵,此一特徵不但可以使复杂地高阶影像处理能够应用分子类神经网路,也为影像辨识技术提供了一个很好的辨识机制;在最后一部分里,我们也将文件影像分析做了一个完整的剖析,并以文件影像的去网点为例来说明在实际情况下的分子类神经网路的应用,如此演算法的开发也为文件影像处理提供了更多实际的应用,更考量了文件影像处理若以软实现时的计算量负荷,而对未来高阶数位影像处理能够以硬实现来提高处理速度提供了无限的可能。

Also in the 3-D space, we assign the 20 amino acids to 20 vertices of the dodecahedron. By the symmetry of the dodecahedron we obtain 3-D representation of 20 amino acids, and 3-D graphical representation and the corresponding numerical sequence of protein sequences. And similarity and dissimilarity analysis based on the invariants of graphs and characteristics of numerical sequences are given for nine RNA secondary structures of RNA-3 of virus. We construct sequence phylogenetic tree of a group of cytochromes C protein.

在DNA三联密码子表示的基础上,在半复平面上给出了蛋白质序列的非退化的2-D图形表示,同时利用复向量的主要特征—模和相位,给出了蛋白质序列的一种数值刻划,进一步在3-D空间里,把20种氨基酸分别分配给正12面的20个顶点,根据正12面的对称性得到了20种氨基酸的3-D表示,进而得到了蛋白质序列的3-D图形表示和对应的数字序列,并利用图的不变量和数字序列的特征比较了9种动物的神经元

In present work, the coincidence Doppler broadening spectra of positron annihilation radiation of NiTi, NiAl alloys, single crystal of Si, and pure metals, such as Fe, Co, Al, Nb, Cu, Ni, Ti have been measured.

利用正电子寿命谱参数研究了NiTi合金马氏转变及其奥氏转变过程中的微观缺陷和电子密度的变化,从而揭示NiTi合金马氏转变的微观机制。

That PI and the percentage of the cells in s-phase of the borderline/malignant and heteroploid/aneuploid tumors were higher ted to higher mortality and relapse rate as well as the corresponding risk. Because of the changable characters and dissociative phenomenon of the tumor, the measurement of PI and the percentage of cells in s-phase may be disturbed in few of diploid tumor and in part of double DNA stem ones. Therefore other paramet- ers should be added to analyse before making any conclu- sion.

交界性和恶性、异倍或非整倍肿瘤的PI和S期细胞百分率较高,病死加复发率和相对危险性增加;由于肿瘤的异质性和"分离现象",对于少数2倍肿瘤和部分双DNA干系肿瘤PI和S期细胞百分率的测定易受干扰,故应结合其它参数综合分析。

On the plane, deposits mainly distribute on the sides of the depression, especially submarine sand body of downthrow block of Tugege fault and Hule fault and sand body inside the depression. Generally these sand bodies are of big area and thickness. They are also favorable objectives for further exploration.

在平面展布上,凹陷边部分布相对较多,特别是控凹断层--图拉格格断层下降盘和虎勒断层下降盘水下扇砂、凹陷内部的长物源砂,这些砂一般具有面积较大、厚度可观的规模和特点,是下步勘探的较好目标。

It mainly reaches the following achievements:1 Through the research of petrology and geochemistry, it is found that dunite takes over 85 percent in ultramafic intrusion, which largely contains Mg(39.66%-47.20%) and Fe(733%-11.17%). The containing of Mn. K. Na, P and Ti is less than 0.1 percent respectively. So it has typical characteristic of leaving of mantle rocks, while it doesnt have partly characteristic of melting.

主要取得以下认识: 1 通过对超镁铁质岩的岩石学、地球化学研究发现,松树沟超镁铁质岩主要由纯橄榄岩和方辉橄榄岩组成,纯橄榄岩占85%以上,变质浅,变形相对简单,富含Mg(39.66%—47.20%)和Fe(7.33%—11.17%),Mn、K、Na、P和Ti的含量通常都低于0.1%,具有明显的地幔岩残留性质,而不具有部分熔融的特征。

Their water use efficiency exceed that of duplation clone under drought stress, which show that tetraploid clones have more yield at the same irrigation.

两个四倍品种的水分利用效率无论在哪种干旱处理方式下都显著优于二倍,说明在同等供水条件下,四倍品种有较大的生物量产出。

The results show that the microstructure of ventra1 scale for python was composed of micro-convex and plank structure that was periodically arranged, it was mensurable and could be described by 9 characteristic parameters. Its surface was different in their forward and backward lean angle. The frictional coefficient of the ventra1 scale had closely relationship with moving direction, it decreased with the increasing load. The value of the frictional coefficient was about 0.07. The frictional coefficient while python moved backward and laterally were equal, and that was 33% more than that moved ahead. The frictional force of the ventra1 scale surface was caused by mechanical tooth function of micro-convex, acting intermolecular force and material's elastic hysteresis. The difference of forward and behind bevel for micro-convex was the anisotropy reason of frictional force.

结果表明:腹鳞表面的微观结构由指状微突和板结构部分周期排列而成,其结构可用9个特征参数定量描述;腹鳞表面摩擦力由分子作用力、表面微突的犁沟力、楔形作用力以及材料弹性滞后共同引起;腹鳞表面的摩擦系数在0.07左右并与运动方向有关,摩擦系数随载荷增加而减小;后向运动及左、右侧向运动时摩擦系数基本相等,比前向运动时高33%左右;腹鳞表面微突不同方向上倾斜角度的差异是引起摩擦各向异性的主要原因。

The relationship between elastic strain energy and the reduction coefficient can be used as criteria in slope stability analysis using strength reduction method.

研究结果表明:采用强度折减法,当边坡处于稳定状态时,折减系数增大引起边坡变形增大,导致边坡弹性应变能随之增大;但是,边坡岩土能够承受的弹性应变能是有极限的,当折减系数增大到某一值时,边坡的弹性应变能达到极限,再增大折减系数将导致边坡失稳破坏;边坡弹性应变能与折减系数服从指数关系;利用弹性应变能与折减系数关系曲线得到的边坡安全系数与采用其他经典的方法所得边坡安全系数基本一致,弹性应变能随折减系数变化而变化的规律可以作为边坡稳定性强度折减法分析的失稳判据。

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推荐网络例句

I didn't watch TV last night, because it .

昨晚我没有看电视,因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来,在北京的很多小区里,电梯液晶电视被撤了下来。

I'm running my simile to an extreme.

我比喻得过头了。