模极大,modulus maxima
1)modulus maxima模极大
1.This paper deals with the wavelet transform and the relation between themodulus maxima and the singularity detection,and based on the excellent property of the Hermitian wavelet,poses the conception that applies it in the rotating mechanical fault diagnosis.论述了小波变换及小波变换模极大与信号奇异性检测的关系原理,基于Harmitian小波的优良性质,提出了将其引入旋转机械故障诊断中。
2.The location and Lipschitz exponent of singularity was estimated with several kinds of comlpex wavelets in an additive white Gaussian noise environment, based on the theory of singularity detection with comlpex wavelets transformmodulus maxima.介绍了信号奇异性检测的基本方法以及奇异性检测与小波变换的关系,基于复小波变换模极大方法检测奇异性的理论,在加性高斯白噪声环境下,分别用几种复小波检测了信号奇异点的位置,估计了信号奇异点的Lipschitz指数,并对实验结果进行了比较分析。
3.Dim targets were considered as singularities in image, then weused the corresponding relationship between wavelet transform maxima and singularities, and combined withthe variation rule of singularities and maxima in multi-scales, to realize noise suppressing and signalenhancing, finally, we detect dim targets from background through area analysis andmodulus maximadetect.提出了一种新的基于信号奇异性分析的小目标检测方法,该方法将图像中的小目标看作是图像信号中的奇异点(突变点),利用小波变换模极大值点同信号奇异点之间的对应关系,结合信号奇异性与模极大值在多尺度上的变化规律,实现噪声抑制和信号增强,然后通过区域分析,检测图像小波变换模极大值,进而实现小目标检测。
英文短句/例句
1.AN IMPROVED WAVELET MODULES MAXIMUM INVARIANT MOMENTS ALGORITHM一种改进的小波模极大值不变矩算法
2.On Maximal P-Injective Modules and Maximal P-Flat Modules;关于极大P-内射模和极大P-平坦模
3.Model Convertibility and Algorithm for a Kind of Min-Max Problem;一类极大极小问题的模型转化及算法
4.On Max-projective、PFP-module and H-finitely Generated Module;关于极大投射模、PFP-模和H-有限生成模
5.A Model of Conditional VaR of High Frequency Extreme Value Based on Generalized Extreme Value Distribution;基于广大极值分布的高频极值条件VaR模型
6.Cultivate economic growth pole of western region by referring to growth pole patterns of the three economic regions;借鉴三大区域增长极模式培育西部经济增长极
7.Portfolio Model Based on Minimax Value-Deviations;极大极小价值离差的资产选择模型研究
8.A Portfolio Selection Model Based on Minimax Risk-Value;一个基于极大极小风险价值的组合投资模型
9.Linear Minimax Estimation in a Mixed Model under Ellipsoial Constraints;椭球约束下混合模型的线性极小极大估计
10.On Minimax Estimators of Estimable Functions in Normal Linear Experiments;正态线性模型中可估函数的极小极大估计(英文)
11.The Minimax Model for Portfolio Selection and Truncated Aggregate Homotopy Algorithm投资组合的极大极小模型与截断凝聚同伦算法
12.A Portfolio Model Based on the Minimax Risk and Return Factors基于极大极小风险收益因子的资产组合模型
13.Minimax control of nonlinear systems based on T-S model基于T-S模型的非线性系统极小极大控制
14.The Optimal Portfolios of Open Found With Minimax Method极大极小模型下开放式基金的最优投资组合
15.Maximum entropy particle swarm optimization for nonlinear l-1 norm minimization problem非线性l-1模极小化问题的极大熵粒子群算法
16.bipolar LSI microcomputer chip双极大规模集成微计算机片
17.That is a vast and lavish party.那是个规模盛大、极其铺张的宴会。
18.Properties of Quasi-Maximum Likelihood Estimator in Nonlinear Models;非线性模型中极大拟似然估计的性质
相关短句/例句
Module maximum模极大值
1.Noise-suppressing image fusion based on module maximum and correlation;基于模极大值和相关性的图像噪声抑制融合算法
2.The accurate time when the cutter is worn or broken can be detected by the module maximum point in wavelet transformation results, and the state of cutter"s wear can be shown by the value of singular index.利用小波变换对切削力信号进行分析 ,变换结果的模极大值点反映了刀具发生磨损或破损的时刻 ,而其奇异性指数的大小则反映了刀具的磨损状况。
3.The singular value decomposition of wavelet transformation module maximum value matrix is proposed.提出了基于小波变换模极大值矩阵奇异值分解的方法,用该方法获得的奇异值特征矢量作为信号的特征可以压缩特征维数,而且更容易进行计算机自动识别,同时还具有时间平移不变性的突出优点。
3)modulus maximum模极大值
1.Application of waveletmodulus maximum method in denoising processing of oscillo-graphic chronopotentiometric signal;小波模极大值滤噪法在示波计时电位信号处理中的应用
2.The application of wavelet transformationmodulus maximum technique to the signal extraction;小波变换模极大值在诱发脑电提取中的应用
3.A Method based on fast lifting wavelet transform andmodulus maximum for detecting power system singular signals;基于快速提升小波变换的电能畸变信号模极大值检测方法
4)Maximum module极大模值
5)modulus maxima模极大值
1.Motion artifact cancellation in electrogastrograms using reconstruction of the wavelet transformmodulus maxima;小波变换模极大值重建方法消除胃电检测中的运动伪迹
2.Ultrasonic testing of rubber thin-bed thickness based on wavelet transformmodulus maxima;基于小波变换模极大值的橡胶薄层厚度超声检测
3.Distribution network fault location method based on PT injecting signal and neural network fault diagnosis system tracking the character of wavelet transformmodulus maxima;基于PT在线注入信号及神经网络跟踪小波变换模极大值变化的配电网故障定位方法
6)modular maximum模极大值
1.Study onmodular maximum denoising for signal of laser gyro in wavelet domain;小波域模极大值的激光信号滤波方法研究
2.The relative situation of the fault can be distinguished by the transient currentmodular maximum polarity comparison from all the emanating line of a single bus.当故障发生后,对母线所有出线的暂态电流模量的模极大值进行极性比较就可以判别故障发生的相对位置。
3.The singularity can be determined by the localmodular maximum line and its Lipschitz exponent,which can be obtained through the multi-scale complex continuous wavelet decomposition.通过对基桩检测信号进行多尺度一维连续复小波分解,得到局部模极大值线(local maxi-mum line),计算模极大值线对应位置的Lipschitz指数值,从而综合判断信号的奇异点位置。
延伸阅读
凹模、凸凹模工作型面加工工艺过程1)备料。 n 2)锻造。锻成长方形的坯料(每件留长工艺夹头)。 n 3)热处理。退火。 n 4)铣(刨)削。铣(刨)削六面成长方形模块。 n 5)磨削。磨削上、下两端面及相邻两侧面，用90。角尺测量相邻两面的垂直度。 n 6)钳工加工。用平板和划线盘按图划线，并打样冲眼；用钻头钻螺纹底孔；用圆柱销孔的预孔；用钻头钻挡料销让位孔；用钻头在中心处钻穿丝孔等；正、反面孔口倒角；凸凹模用钻头孔扩，保证刃口高度；攻螺纹；铰孔。n7)铣削。平口钳装夹工件；用的立铣刀铣削型孔至尺寸，保证深度。 n 8)热处理。凹模工件淬硬至HRC60～64，凸凹模工件淬硬至HRC58～62。 n 9)平磨。磨上、下两端面及相邻两侧面，用90。角尺测量相邻两面的垂直度至图要求；退磁。 n 10)线切割。按图编制线切割程序，切割模型孔成形，留单面研磨余量0.005 mm。 n 11)钳工加工。研光线切割面： n 12)检验。 n复合冲裁模的装配应选择凸凹模作为装配基准件，先装下模部分，后装上模部分
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