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In chapter 4, the Newlands harmonic wavelet is improved and a new type of wavelet with better time-frequency characteristic is constructed. Frequency band of signal can be divided arbitrary with the improved harmonic wavelet so that the phenomena of aliasing are reduced. Several typical fault signals in Electromechanical System are analyzed with it. In addition to the improved harmonic wavelet in chapter 4, a new half-complex wavelet is presented to improve the complex wavelet, which is given by Chaari.O. A unilateral recursive algorithm is derived to improve the real-time characteristic. A parameter n is imported to make the time-frequency and filtering characteristics of it better and its ability of extracting fault feature is enhanced.

第四章通过对Newland谐波小波的改进构造频域紧支撑、时域性能良好的新型小波函数,可实现信号频带的任意划分,从而减少频带混叠现象,采用改进的谐波小波对多种典型的机电系统故障信号进行了分析;以Chaari.O复小波为基础构造了一个半复小波,从提高复小波算法的实时性出发,推导了半复小波单向递推算法,通过给原小波设置可调参数的方法,实现了一种能满足小波基本条件的复值小波,可以通过参数的调整调节小波滤波器在Hilbert空间的时频特性和相应的滤波性能,以加强半复小波对故障特征的提取能力。

A global gravity field recovery based on energy balance approach using CHAMP kinematic orbits is presented. A method combining the Newton's numerical differential formula and the remove_restore procedure for determining kinematic velocities is developed.

介绍了利用CHAMP几何法轨道恢复地球重力场模型的基本原理和算法,提出了基于牛顿数值微分公式并辅助移去-恢复方法计算卫星速度的算法。

Then a decomposition algorithm based on genetic algorithm is proposed to solve the model and to find the optimal basic strategy.

提出了基于遗传算法的分解算法求解模型,以获取具有鲁棒性和最优性的基本调度策略。

The basical ideas, arithmatic methods and applied conditions of reduction of partial least squares and discrete wavelet transformation, logitboost, random forests and fuzzy kendal discriminate analysis of microarray gene expression data, ordinal discriminate analysis of time series multivariate data and varied-coefficient-logistic-regression-model discriminate analysis of the data with varied regular pattern in itself.

本文对医学领域中判别分析方法的新进展做一综述,介绍了微阵列基因表达数据判别分析中偏最小二乘法降维、离散小波变换法降维、logitboost算法、随机森林、模糊核判别分析以及时间序列多元数据有序判别分析法、自身有变化规律数据的变系数logistic回归模型判别分析法的基本思想、算法和适用条件。

Experimentalre sultssh owt hep roposeds chemeis v ery efective.C omparedw ithJ M92in H .264e ncoder,it re duces4 6%encoding time while maintaining the PSNR and bit rate

实验结果说明了该文算法的有效性,与H.264编码器JM92相比,该算法的计算量减少了46%,而编码质量、PSNR和输出码率保持基本不变。

Improvement on the parallel algorithm of association rule

首先简单介绍了相关规则及其并行开采算法的一些基本情况,然后指出了现有算法在分布式异构数据库中不能有效利用计算资源和造成信息丢失的问题。

Put the individual diversity and following behavior into account, with phototaxis and following behavior of two evacuation model parameter, produce the Ant Colony Algorithm Mathematical Model of High buildings pedestrian evacuation.

根据蚁群算法的基本原理及Ant-Density模型,综合考虑了火灾时期人员的个体差异和从众行为,利用信息素和禁忌表等指标将趋光趋众2个疏散模式参数化,建立了高层建筑人员疏散的蚁群算法数学模型。

The classical cutting stock algorithm——column generation technology , and wrap up rectangle technology for abnormity are analyzed ; The development of AutoCAD with ObjectARX is studied and the generating method of cutting outline drawing and layout drawing were found out on the basis of analyses of the graph database structure of AutoCAD and the basic operation of it ; The process planning technology of plate material cutting orienting numerical control is studied a process planning method directly based on layout drawing is established ; The emulation technology in AutoCAD is studied and a kind of dynamic emulation method is put forward , which is realized by incrementally modifying graph entity ; The postposition of NC program of the integrated cutting system constructed on software plug-in is proposed , which can effectively solve the problem that it is difficult for a numerical control programming system to be common , which is caused by the difference of instruction format and control parameter between different type of numerical control machine .

分析了经典的矩形件优化排样算法——列生成法和针对异形件的矩形包络算法;研究了基于ObjectARX 的AutoCAD 开发技术,结合对AutoCAD 图形数据库结构及其基本操作的分析,给出了下料轮廓图和排样图的生成方法;研究了板材数控下料加工的工艺处理技术,建立了一种直接基于排样图进行的图形交互工艺规划方法;研究了在AutoCAD环境中的板材下料数控仿真技术,给出一种通过增量修改图形实体对象实现的动态仿真方法;提出以软插件技术构建集成下料系统的数控编程后置处理部分,能够有效解决因数控下料机床指令格式及控制参数不统一导致的自动编程软件系统不易实现通用性的问题。

This article introduced the grey potential energy theory and achieved a new method of fault diagnosis in transformer.

首先介绍灰色位势理论,然后提出了一种基于灰色位势理论的变压器故障诊断算法,给出了利用该算法进行故障诊断的基本步骤,最后用一个实例验证该方法的正确

The main objectives of this course is to familiarize the students with relationship between the primary data structures and algorithm, and train them to acquire the necessary skills to analyze and research the characteristic of data processed by computer so that the students' abilities in choosing the proper data structures and algorithm can be improved.

要求学生掌握基本的数据结构与算法的关系,培养学生学会分析研究计算机加工的数据对象的特性,以便选择适当的数据结构以及相应的算法。

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Do you know, i need you to come back

你知道吗,我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书,王祥生,李德昌。安徽省首次发现嗜群血蜱。

Chapter Three: Type classification of DE structure in Sino-Tibetan languages.

第三章汉藏语&的&字结构的类型划分。