说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 三维关联
1)  correlation dimension
关联维数
1.
Application to fault diagnosis of reciprocating compressor based on emprical mode decomposition and correlation dimension;
EMD和关联维数在往复压缩机故障诊断中的应用
2.
Application of correlation dimension and EMD-based AR model in the fault diagnosis;
基于EMD与关联维数的故障诊断AR模型
3.
Determination method and diagnosis application of non-scale range of correlation dimension;
关联维数无标度区确定方法及诊断应用
2)  correlative dimension
关联维
1.
Study of the Parameters Used in Calculating Correlative Dimension Based on G. P Algorithm;
基于G.P算法的关联维计算中参数取值的研究
2.
Feature Extraction of Surface Electromyography by Introducing Correlative Dimension;
引入关联维的表面肌电信号的特征提取
3.
The nonlinear parameters (correlative dimensions, maximum Lyapunov exponents) of the HRV signals extracted from normal and arrhythmia ECG signals were calculated, and the results showed that the nonlinear parameters calculated from the HRV signals were helpful for analyzing human s hea.
在对HRV信号进行相空间重构的基础上进行关联维、最大李雅普诺夫指数的估算。
3)  correlation dimensions
关联维数
1.
The fractal characteristics of vibration process of chippers chief shaft are analyzed based on the theory of fractal application by analyzing the actual vibration signals of chippers chief shaft and calculating the correlation dimensions of the signals.
从理论上分析了削片机主轴振动过程的分形特性,运用分形理论对实际测得的削片机振动信号进行分析,计算出信号的关联维数。
2.
Aiming at the non-linearity which exists in the bearing transmission but is ignored in the traditional fault diagnosis methods,the max-Lyapunov exponent was calculated in order to judge the system state of chaos firstly,then the correlation dimensions was calculated for the sake of judging the fault type.
针对轴承传动本身具有非线性而在传统故障诊断中又被忽略掉的问题,运用最大李雅普诺夫指数进行齿轮箱轴承运行混沌状态的辨识,然后采用关联维数对轴承故障进行准确定位。
4)  correlation dimension
关联维
1.
Application of sub-wave correlation dimension analysis to fault vibration detection;
子波关联维分析在缺陷振动检测中的应用
2.
Weak fault characteristics identification using UDWT and correlation dimension;
基于UDWT和关联维技术的弱缺陷特征辨识
5)  correlation dimension
关联分维
1.
METHODS Determinant dynamics in neurons spiking series was researched by using unstable periodic orbits, correlation dimension and nonlinear prediction.
方法 运用不稳定周期轨道及关联分维、非线性预报对神经元阵发放电序列中的确定性动力学进行了研究 。
2.
The fractal evolution processes of geochemistrical series of the polymetallic nodule Sample 1783 are studied through computing their correlation dimensions in different embedding spaces.
运用分形理论,通过建立不同的相空间,计算了东太平洋多金属结核中的铁、锰元素的时间序列在各相空间中的关联分维,并与其在沉积物岩心中的关联分维进行了对比。
6)  Correlative dimension
关联维数
1.
Firstly, the delayed-time method is used to reconstruct the phase space of sewage flow series and calculate the correlative dimension.
首先,应用延迟时间法(G-P法)重构污水流量序列的相空间,计算关联维数;然后对北京市2个污水处理厂日进厂流量记录进行了研究。
2.
The fractal dimension is applied to analyze the vibration signals to find fault of gears The correlative dimension was used to depict the fault character in vibration signals The relations between the correlative dimension and the type of gear fault are studied with a gear test bench The parameters that affect the result of the correlative dimension are discusse
将分形几何引入齿轮振动信号的故障分析中 ,用关联维数来刻画振动信号的故障特征。
3.
The correlative dimensions of high frequency signals of wavelet transform are computed in different fault state,which are used to determine the fault types of apparatus.
以三相桥式整流电路的开路故障为研究对象,将各类故障的电压输出波形进行多尺度分解,然后利用改进的关联维数计算方法计算不同故障状态下的关联维数,来刻画不同故障对应的不规则程度判断故障的类型,通过判断出现奇异性的时机判断具体器件的开路故障。
补充资料:维数多项式


维数多项式
dfanension polynomial

程组的刚度)所给定扩张的维数多项式已经算出:l)波方程;2)真空的Max讹11方程;3)位势所给出的电磁场方程;4)真空的E此把in方程;其他计算维数多项式的例子可在[31中找到.【补注】关于微分可分无关性,微分超越次数和微分代数无关性的概念见微分域的扩张(以怡佰ion ofa山反获泊tial field).维数多项式博m“‘加.州”喇阎;pa3Me四OcT.。面Mll-。ro,二司,微分域扩张的 一个表示偏微分方程组的解中所含微分常数的个数的多项式,与E皿h时多项式(HilbertPolyllomjal)类似. 设G为微分域F的微分扩张(见徽分域的扩张(以记mion of adi晚代泊杭al field)),G中在F上微分可分无关的最大子集称为F上的微分不可分基(改晚众泊往目双签七脚.b皿ityb昭is).F上的扩张G的微分不可分基若在F上微分代数无关,则称为微分超越基(山晚商t边1切盯以翔耐曰犯e加515). 设G为有限生成微分扩张,G=F<叮.,…,、>,其中体,…,爪)为一素微分理想p CF{艺,…,玖}的泛零点.G在F上的微分超越次数称为p的微分维数(由晚卿往司山吐翻旧沁n)(表为d(p》,若q为另一素微分理想,且pC口,则d(树)d(q),即使在严格包含的情况下.等号也能出现.所以需要有一个比度t理想的更精细的度t. 徽分多项式环F{艺,…,矶}由按照实施导子口‘。的次数排列的滤链诱导出F的扩域G=F<爪,…,叮。>上的滤链: F=巩C瑞C一 存在一个多项式(见【21),它在所有s‘z,s)N0上的值等于F的扩张军的超越次数,称为犷攀G/F的维数多项式,它具有形式: 一/x十八 口_。IX)二2口I_奋 o‘j‘而\‘/,其中m为求导算子集合△中元素的个数,a,为整数.维数多项式是域的双有理不变量,即由F(n)”F《)可推出气jF=叭l,,但它不是微分双有理不变t,即由F<叮)=F(C),一般推不出。,z;=叭z;.尽管如此·这个多项式仍包含一些微分双有理不变盆,例如多项式的次数T一晓叭/,(称为F上犷攀F<价的攀分掣似沂劫山回t男珍of thee烈口昭幻句)及首项系数久称为型微分维数(tyP沁aldi氏代泊坛aldinr旧咖)).在一个微分扩张的相应于所有不同微分生成系的微分维数多项式中,存在对所有数值多项式集合上某种序关系来说是最小的一个,因而它是这个扩张的微分双有理不变盘. 对微分模也可以定义微分维数多项式. 下述方程组(见【l],文中将维数多项式称为域的方
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条