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Using real-valued decomposition technique, Unitary Cyclic root-MUSIC algorithm without spectral search was proposed for multipath environment of mobile communication, by reconstructing the data model of the cyclic covariance matrix with Hermitian property, which has a better performance in the presence of multipath propagation and substantially reduces the computational complexity.

通过构造了循环自相关矩阵的数据模型，使其具有厄尔米特特性，提出了一种基于实值分解技术的循环root-MUSIC算法，无需空间谱搜索，较好地解决了多径传播环境中信号高度相关问题，极大地降低了计算量。

In order to improve the robust and precise in image registration,we get the Hessian matrix removed to improve LMA for searching the eight unknown parameters of two input perspective transformation images and get computational gains.

为提高图像匹配的精度和稳定性，在图像匹配过程中用消除了Hessian矩阵的LMA改进算法对两幅图像透视变换矩阵的8个未知参数进行拟合，减少了迭代的计算量。

It aims at providing unified and transparent service to the user by organizing all the computing resource of the campus in an efficient manner and hiding the internal heterogeneousness and dynamic. The whole campus grid is a three-tier system, which is composed of grid portal layer, grid middleware layer and computational resource layer.

将校园网内的各种计算资源以有效的方式动态的组织起来，隐藏其内部异构性和动态性，形成一个可相互利用、相互合作、对用户相对透明的高性能计算环境，为科研教学提供高效可信的协同计算服务。

Computational tests demonstrate the efficiency and feasibility of our heuristics.

最后的算例仿真表明了算法的有效性和可行性。

In this simulation ,the computational mesh are used hexahedral mesh.

对具有偏心锥台型扩张管催化转化器进行了全六面体网格下的三维稳态流动数值模拟。

The article introduced the research results of the main-auxiliary chunk transformation, and how does HNC form the processing rules and supplies them to computer,from computational linguistics angle, in order to enhance the accuracy rate of the machine translation system.

本文从计算语言学研究处理的角度，详细介绍HNC理论主辅变换的研究成果，以及如何形成处理规则并供计算机使用，以期提高名词团块分裂的机器识别及处理的准确率。

The computation by using image coordinates will cause computational breakdown or deterioration of accuracy when they become too large,and the computation by using homogeneous coordinates will increase computation work.

现在，越来越多的人们逐渐把注意力放在关于射影几何的计算以及利用不变量进行物体识别[3][4]。

In some sense, our approach can be thought to have decomposed the computation of homography matrix into two simple calibration processes so that the computational load becomes lighter for the calibration of multiple cameras.

就某个方面来看，我们的方法可被视为将homography矩阵的运算，拆解成两个简单的校正过程，因此可以减少多台摄影机校正的运算量。

This paper systematically summarizes the ambiguity phenomena of Chinese (grammatical category ambiguity and homonymous Colligation) from the viewpoint of computational linguistics, does some further studies on it, and puts forward the appropriate solving strategies for both problems in Connection with automatic syntactic analysis of Chinese.

本文从计算语言的角度，系统地总结了汉语中的歧义现象——兼类词和同形词类组，对之进行了比较深入的研究，并且结合汉语自动句法分析，给出了相应的处理策略。

But on account of hugeness of design variable,constraint condition and computational complexity,the achievement of structural optimization for high rise building in engineering had droped behind the progress of theory out and away in recent years.

但是由于设计变量、约束条件、计算量过于庞大的原因，其成果还较少应用于工程实际，目前远远落后于理论进展。

Molecular Distillation is a kind of high vacuum distillation method, which is suitable for the separation of high boiling, heat sensitivity and viscidity products.

分子蒸馏技术是一种在高真空条件下进行的连续蒸馏过程，适合于分离高沸点、热敏性及具有生物活性的混合物。

They are to the Noughties what yuppies were to the Eighties .

那在六十年代是时髦的，但在八十年代肯定是过时了