查询词典 algorithm of euclid

By analytic geometry method and solving quadratic equation,a computer simulation algorithm of digital projection under arbitrary scanning locus was proposed.The algorithm is based on the rules of attenuation of monochromatic X-rays.Through mathematical modeling and computer simulation,digital projections of ellipsoid and cylinder in circular and helix scanning modes are exemplified respectively,which are proved to be correct by FDK and PI-line reconstruction algorithms.

介绍了一种利用解析几何和求解二次方程仿真任意扫描轨迹下的锥束射线投影数据算法，该方法基于单色射线贯穿物体的衰减理论，通过数学建模与计算机仿真，给出了椭球、圆柱两种典型模型分别在单圆、螺旋线扫描轨迹下的投影数据仿真结果，并利用FDK和PI线重建算法进行验证，证明了该种数值仿真方法的正确性。

Since this algorithm develops circular permutation algorithm whose computation grows exponentially with the number of aircraft, there would be severe computation penalties if all aircraft were included.

但这种循环排列算法的计算量随着飞机数量的线性增加成指数级上升，对大量飞机运用会导致严重的运算问题。

In the face recognition research, most of the proposed algorithm focused on the average recognition rates. However, the performance and application of the recognition algorithm are affected by the worst class recognition rate significantly.

在人脸识别的研究中，虽然多数算法提高了平均识别率，但是在识别过程中，每个人的最差识别率也对算法的总体性能和应用产生了很大的影响。

The graph cliping algorithm is the basis of computer graphics algorithms.The graph cliping algorithm is good or not directly influence entire graphics system's performance.

图形裁剪算法是计算机图形学的基础算法，图形裁剪算法的好坏，直接影响到整个图形系统的性能。

An effective algorithm DMEO applying the deferred-merge embedding algorithm is presented for clock tree construction in the presence of obstacles. During the clock routing, a track graph is constructed in order to guarantee the obstacle-avoidance.

提出一种在带障碍情况下，基于延迟合并嵌入方法的时钟树构建算法，并在时钟树构造过程中引入了轨迹图以保证布线可以绕过障碍。

We designed the algorithm which can perform the closed domain inclusion test in real time, realized quick search in the algebraic inclusion test algorithm by transforming polynomials with dichotomy.

设计了可实时计算的高斯图闭域包含测试算法，通过引入二分法改造多项式包含测试代数算法，实现快速查找。

In this paper, the author has introduced a new volume calculation algorithm for polygon model. The general assumption here is that the model is of closed surface .The algorithm described here is based on Mento Carlo method and has a 3D Widgets interaction style.

本文提出了使用蒙特卡罗算法和3d widget交互工具相结合的方式来计算自封闭多角形网格体积的方法，并且分别给出了该方法在Visual Tool Kit和Microsoft Direct3D的实现方案。

A simplified nonlinear robust control algorithm is presented, which connects the exact feedback linearization with the closed-loop gain shaping algorithm.

将简化的精确反馈线性化法与闭环增益成形算法相结合，设计其非线性鲁棒控制器，增加了信息的传递量，在提高系统鲁棒性能的基础上，使该算法成为实际工程上可用的算法。

Thereare two contributions in this paper. First, by regarding every base clustering as one attribute of the original data, it has found that the algorithm based on that is more extendable and flexible. Second, it designs a latent variable cluster ensemble model in this way and infers the algorithm of the model with Markov chain Monte Carlo approximation.

主要工作包括：第一，分析了把每一个基聚类器看成是原数据的一个属性这种处理方式的优越性，发现按此方法建立起来的聚类集成算法就具有良好的扩展性和灵活性；第二，在此基础之上，建立了latent variable cluster ensemble概率模型进行聚类集成，并且给出了LVCE 模型的Markovchain Monte Carlo算法。

This algorithm is to use clustering algorithm.

算法主要是利用聚类算法。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。