查询词典 parallel algorithm

This algorithm reduces the data of the text input vector by the data reduction method based on rough sets theory,searches and optimises the initial input of the BP algorithm by genetic algorithm.

分析BP算法的缺点，并结合遗传算法和粗糙集理论构造出一种基于Rough-GA-BP的文本分类方法。

A nulling algorithm based on a modified genetic algorithm, which is a feedback algorithm decided by power, presented can suppress jamming in the direction different from that of signals effectively.

提出了一种阵列天线干扰抑制的改进遗传算法，在射频端基于功率判决直接通过调节权系数进行波束合成，可以有效地抑制与信号方向不同的干扰。

Considering just-in-time production, the mathematical model of flexible job-shop schedulingfor bi-objective is established. To solve the model, a genetic algorithm is developed. In this algorithm, a two-row chromosome structure is presented because of the special point of the model. At the same time, AOV network is applied to decode and compute the fitness function. Then selection, crossover and mutation operator of the genetic algorithm are designed. Finally, an example of job shop scheduling is shown.

同时考虑现代生产准时制的要求，建立了柔性作业车间调度问题的双目标数学优化模型，并给出了求解模型的遗传算法的具体实现过程；针对模型的特殊性，提出了染色体两层编码结构，将AOV网络图应用到解码和适应度函数的计算中，通过一个调度实例进行验证，给出了相应的选择、交叉、变异操作设计方案。

Traditional page clustering algorithm based on DOM tree edit distance is not suitable for the complex Document Object Model tree structure pages created from dynamic templates. In this paper, an improved Web page clustering algorithm was proposed based on partial tag tree matching. In the proposed algorithm, the appropriate weights were assigned to the nodes according to their effects on the layout of Web pages and the level difference between template nodes and non-template nodes.

传统的基于DOM树编辑距离的网页聚类算法不适合文档对象模型树结构复杂的动态模板网页，提出了一种基于局部标签树匹配的改进网页聚类算法，利用标签树中模板节点和非模板节点的层次差异性，根据节点对布局影响的大小赋予节点不同的匹配权值，使用局部树匹配完成对网页结构相似性的有效计算。

By way of improveing the traditional region tracing algorithm,the paper put forward a kind of algorithm named as Single Boundary Searching Algorithm,which can finish such data conversion quickly and exactly.

通过对传统区域跟踪技术的改进，本文提出了一种单边界搜索算法，能够快速、准确地实现这一转换。

By the analyses on the existing detector generating algorithms, we achieved the improvement of the linear time detector generating algorithm, which was widely used at present. The efficiency of the linear algorithm was improved by eliminating the reluctant detectors, and at the same time the improved algorithm was ensured to cover the nonself space as much as possible.

在分析已有的检测器生成算法的基础上，改进了目前使用最多的线性检测器生成算法，通过消除冗余的检测器提高了线性检测器生成算法的效率，同时还保证了改进后的算法能够尽可能多地覆盖&非我&空间。

Introduces a switching step-response algorithm parameters of the self-tuning controller, through the actual temperature control systems, Relay oscillation parameters and self-tuning algorithm and the parameter auto-tuning analysis module, The algorithm proves the safety and setting time than the other two algorithms.

详细说明：介绍了一种基于开关阶跃响应算法的参数自整定控制器，通过在实际温度控制系统的应用，与继电振荡参数自整定算法以及的参数自整定模块进行分析比较，证明该算法在安全性及整定时间上明显优于其他两种算法。

In this paper,based on study of Fuzzy control algorithm and PID algorithm,and for the advantages and disadvantages of this tow algorithm,putting forward the Fuzzy-PID compound control for swivel table control system.

基于对模糊控制算法和PID控制算法的研究，和鉴于两种算法的优缺点，提出了模糊-PID复合控制算法用于转台控制系统中，这种控制算法将大大提高转台抗外部干扰和内部参数变化的鲁棒性能，改善了转台的动、静态特性。

The control algorithm prototype was built in the environment of Matlab/Simulink,and a hardwareintheloop platform was established. Using the platform, the control algorithm prototype was verified by testing. The results show that the algorithm can restrict the excessive slip or skid effectively and improve the traction performance,the brake ability and the steering stability of vehicles.

在Matlab/Simulink环境下建立了控制算法原型，并搭建了防滑控制系统硬件在环试验平台，通过硬件在环试验对控制算法原型进行的验证结果表明，算法能有效抑制车轮的过度滑转或滑移，提高车辆牵引性能、制动性能和操纵稳定性能。

After the vein pattern was segmented from the vein image by an improved NiBlack method,authors obtained the vein pattern skeleton by an improved conditional thinning algorithm.On the basis,the algorithm extracted seven modified moment invariants of the vein pattern skeleton as the input vector of SVM for the recognition of vein pattern.The experiments on a database including 500 samples has achieved a recognition rate of 95.5%,and it indicates the algorithm is effective.

算法在采用修正的NiBlack算法从原始图中分割出静脉纹路，然后采用改进的条件细化算法进行细化获得静脉骨架的基础上，提取静脉骨架的7个修正的几何不变矩作为支持向量机分类器的输入进行静脉分类识别，在有500个样本的数据库上进行实验，获得了95.5%的识别率，表明了算法的有效性。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。