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- 一种图像检索中纹理特征提取的方法。本文介绍了基于Gabor 滤波器和Gabor 小波变换提取纹理特征的分析方法, 以及对Gabor 小波进行了高斯归一化以提高对图像检索的速度和准确度。-An image retrieval texture feature extraction methods. This article based on Gabor filters and Gabor wavelet transform to extract texture feature analysis me
diannengzhil
- 暂态电能质量扰动信号的内在特征，采用小波变换提取扰动的时间特征，将扰动进行分类。-Inherent characteristics of transient power quality disturbance signals using wavelet transform to extract disturbance characteristics, the disturbance classification.
Hierarchical-Singular-Detection--
- 设计了一个新的基于小波变换的信号奇异点分步检测法，该方法的特点是根据脉冲奇异点和阶跃奇异点的不同特征分两步从信号中提取奇异点-Design a new step detection method based on wavelet transform signal singularity points, the method of characteristics is extracted from the signal in two steps according to the different
dimensionalspectral
- 小波变换是一种线性运算 , 它对信号进行不同尺度的分解 , 可有效地应用于如 信噪分离 , 提高时频两域的分辩率等 。本文讨论小波变换用于心电 Q RS 波形中细微特征 ( 即高频成份特征 ) 提取的方法.-Wavelet transform is a linear operation, its signal is decomposed at different scales, can be effectively used as the signal to noise separat
wheel-treadmonitoring
- 城轨车辆轮对踏面故障在线监测系统，基于振动检测法的轮对踏面故障监测系统，通过傅里叶变换、小波包分析对釆集到的振动信号进行分析获得信号的特征,研究了基于短时能量判断的踏面故障特征提取算法。-On line monitoring system for wheel tread of urban rail vehicles, based on the vibration detection method of wheel tread fault monitoring system, through th