A complex frequency B-spline(CFBSP) wavelet was presented to analyze the singular signals of the zero modes of the fault traveling waves in the initial process of the failure,and the wavelets coefficient maximum polarity and phase angle of the zero mode of the fault feeder traveling wave current are right the inverse of the others.
分析了非有效接地电网中单相接地短路故障行波的特性,运用复频B样条小波(CFBSP)分析了故障初始过程中奇异的行波0模信号,得出此时故障线路电流行波0模量的小波系数的极大值极性及相位与其他线路正好相反的结论。
A Local Section Theorem and Minimax Problems;
局部截口定理与极大极小值问题
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
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。
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。
Application of wavelet modulus 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
The application of wavelet transformation modulus 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
A Method based on fast lifting wavelet transform and modulus 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
AN IMPROVED WAVELET MODULES MAXIMUM INVARIANT MOMENTS ALGORITHM
一种改进的小波模极大值不变矩算法
Using Modulus Maximum Pair of Wavelet Transform to Detect Spike Wave of Epileptic EEG
癫痫脑电棘波的小波变换模极大值对检测方法
An improved method of detecting the image edge by the modulus maxima of wavelet transform
改进的小波变换模极大值检测图像边缘的方法
Wavelet Absolute Maximum Value Based ECG Signal Filtering Algorithm
基于小波模极大值的心电信号滤波算法
Outlier s Detection of Financial Time Series Based on Wavelet Modulus Maxima Line Method;
金融时间序列变点探测的小波模极大值线方法
An Improved Method of Detecting and de-noising by the Modulus Maxima of Wavelet Transform
一种改进的小波模极大值检测与消噪算法
Multiscale Edge Detection Algorithms Analysis Based on Wavelet Transform
小波变换模极大值多尺度边缘检测算法分析
Audio denoising method based on wavelet transformmodulus maximum and scale tracking theory
基于模极大值和尺度理论的音频降噪方法
Application of Wavelet Transform Modulus Maximum in Leakage Detection of Natural Gas Pipeline
小波模极大值法在天然气管道检漏的应用
A Denoising Algorithm for Absorption Spectra by Wavelet Transform Modulus Maxima Shift-Related Filter
基于小波模极大值移位相关的光谱去噪方法
Signal Singularity Detection with Modulus Maxima Method Based on Wavelet Transform
小波变换模极大值方法对信号的奇异性检测
Power Quality Abnormal Detection Based on Modulus Maximum Value of Wavelet Transform
基于小波变换模极大值的电能质量奇异性检测
Improvement of the wavelet transform maximum modulus method for blasting vibration signals
爆破震动信号模极大值小波消噪方法的改进
Realization and Improvement of the Modulus Maximum De-noising Method Based on Wavelet Transformation
基于小波变换的模极大值降噪法的实现及改进
Single terminal methods of traveling wave fault location based on wavelet modulus maxima
基于小波模极大值的单端行波故障测距
Research on wavelet modulus maxima in the signal de-noising method
基于小波变换模极大值的信号去噪方法研究
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
Portfolio Model Based on Minimax Value-Deviations;
极大极小价值离差的资产选择模型研究