查询词典 primary algorithm

We discuss in this paper several kinds of decentralized algorithm: ALOHA, Slotted-ALOHA, CSMA, Tree Algorithm, and Pretested Random Tree Algorithm. We put emphasis on the method of increasing channel...

本文阐述随机多址技术用来解决冲突的几种算法：ALOHA，分隙ALOHA，载波监听多址，树形算法，以及预测随机树形算法，着重讨论如何提高信道利用率和获得系统稳定。

Experiments showed that the data points art inure separable in this algorithm. The algorithm can overcome tilt' faults of traditional Cell-Based algorithm, which need to he recomputed from the scratch for even' change of the parameters. It also tins higher detection rate at higher convergence speed.

试验结果表明，该算法能有效突出样本之间的差异，克服传统基于距离的孤立点发现算法易随参数变化而需调整单元结构的缺点，且具有更准确的检测率和较快的收敛速度。

Then a BGPEOpt(BGP Egress Optimization Algorithm) algorithm is proposed to reduce the execution time of the typical algorithm by leveraging the .characteristics of cut link in the topology graph to reduce the frequency of recomputing traffic demand. Further more, mediate results are used in the iterative process to reduce the time of computing the IGP shortest distances from a source node to other nodes. Experimental results indicate that the running time of BGPEOpt reduced 7%~30% with the similar link utilization comparing to that of typical algorithms.

在此基础上，提出了静态阶段的BGP出口选择优化算法BGPEOpt(BGP Egress Optimization Algorithm)，BGPEOpt算法利用网络拓扑结构中割边的特殊性，减少流量矩阵重新计算的频率；同时利用算法在迭代过程中的中间结果，减少重新计算从一个源节点到其它节点最短路径的时间，从而提高了算法的时间性能。

By reformulating each pass in the original algorithm into two sub-passes, we make the new algorithm suitable to be implemented on GPU. Additionally, we reduce the number of the conditional branch instructions involved in the improved algorithm, taking advantage that there are a large number of similar conditional branch instructions between two sub-passes.

我们对原算法进行细化，将每一次迭代分为两次子迭代，以满足GPU中并行处理的要求，并进一步在子迭代中减少条件判断的次数。

A model is initially developed based on the in the integer programming, whose objective function is subject to the minimization of the total re-shuffle containers. To reduce the total number of reshuffles for retrieving the containers, a hybrid algorithm, which combines heuristic rule and distributed genetic algorithm, is employed to solve the model. The heuristic rule is to reduce the range of feasible solution and distributed genetic algorithm is to solve the optimization.

该策略以压箱数最少为目标，建立基于整数规划的选位模型；根据发箱时较低翻箱率的要求，采用启发式算法和分布式遗传算法相结合的混合算法求解选位模型；其中启发式规则用于缩小可行解的范围，分布式遗传算法用于求近似最优解。

This paper at last analyses the disadvantages of the fingerprint recognition algorithm based on minutia and introduces the basic principal of the algorithm based on structure of fingerprint, and designs a systematical method of calculating fingerprint center point, normalizing, Gabor filtering, sectoring, extracting features and checking based on structure of fingerprint, and implement the algorithm using of emulator of Matlab, and sets up a fingerprint database of some fingerprints, matches the database with a number of fingerprints, and analyses the matching result.

最后分析了传统的基于细节点的指纹识别算法的不足，介绍了基于结构的指纹识别算法的基本原理，及其各个组成部分：指纹中心点的计算、扇形化、归一化、Gabor滤波、特征提取以及比对，并在Matlab6.5环境下实现了这一系统识别算法。

The chief points of this paper are summered as follows: Firstly, the dynamic rule-adjusting algorithms in Snort is analyzed. Secondly, some methods to improve the algorithms are discussed and the results of experiment are obtained. Thirdly, a kind of anomaly detection models using association rule mining algorithm is put forward, and the improvements of Apriori algorithm are pointed out. Fourthly, the advantage of the new algorithm and the feasibility of this model are testified. Lastly, a framework of distributed intrusion detection system based on data mining is designed, and distributed cooperation concepts and many detecting methods are adopted in order to guarantee the accuracy and completeness of the detecting system.

论文的主要工作如下：本文分析了Snort中的动态规则调整算法，讨论了一些改进的思路，给出了实验结果；提出了一种运用关联规则挖掘算法进行异常检测的模型，根据入侵检测的实际情况对Apriori算法进行了改进，通过实验证实了改进算法的优越性和模型的可行性；设计了一种基于数据挖掘的分布式入侵检测系统框架，采用分布式协作思想，结合多种检测方法，保证了系统检测的准确性和完备性。

A testing triangulation experiment for a polygon with 100 inside islets was done with this algorithm, and the result showed that this algorithm is efficient and robust for triangulating complex polygons with large numbers of inside islets. This algorithm has been successfully applied to the three- dimensional ore-body modeling and visualization system, in which it is used to triangulate the sectional polygons with inside islets, e.g., the inside stones or holes in ore-body, and its high efficiency has been proved.

实验表明，该算法在含有大量岛屿的带岛屿多边形三角剖分中具有很高的时间效率和很强的鲁棒性，并成功将其应用到基于剖面的三维矿体建模与可视化系统中，解决了含有夹石或孔洞的矿体剖面多边形三角剖分问题，具有一定的实际应用价值。

A single machine scheduling problem with batchs setup time depending on sequence is proposed. The math model to minimize setup times is upbuilt. An improved adaptive hybrid genetic algorithm is brought up for solving this scheduling problem. Several operators are redesigned according to the characteristic of this scheduling problem. Follow job optimization recombination crossover is advanced for transmitting the good character to the offspring. To improve the mountain climbing ability of the genetic algorithm, the mutation is replaced by a local optimization algorithm.

提出了一种具有序依赖setup time的单机器批量生产调度问题，以总的setup time最小为目标建立了该生产调度问题的数学模型，设计了一种改进的自适应混合遗传算法求解该生产调度问题，对遗传算法的交叉和变异算子均按照该调度问题的特点进行了改进，提出一种&紧后任务选优重组交叉算子&，该算子能将调度排序上的优良性状很好地遗传到下一代群体中。

To improve the performance of ABC algorithm, this paper proposed an improved ABC algorithm called self-adapting search space chaos artificial bee colony algorithm.

针对人工蜂群算法的不足，以种群收敛程度为依据，结合混沌优化的思想，提出一种改进的人工蜂群算法－自适应搜索空间的混沌蜂群算法。

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样