Research on feature extraction of impulse signal using walsh transform 变换对冲击信号序列特征提取的研究
These experiments indicate that the prediction model built with traffic volume time series after noise reduction can yield better results 用小波变换对交通量数据进行消噪处理,即通过多分辨率的小波分解和重构来实现消噪。
Firstly , using wavelet decomposition theory , the system feature reference data series are decomposed into two parts : low frequency part and high frequency part 首先,应用小波变换对系统的特征参数序列进行分解,得到低频部分和高频部分。
Through the laplace transform method , the author has a systemic study on the tolerable differential settlement of the bridge approach with and without approach slabs 本文通过拉普拉斯变换对设和不设搭板路桥过渡段的容许差异沉降进行了系统研究。
Wavelets analysis is a promising approach to process ultra - wide band radar signal . it has tremendous potential to combine wavelets with ultra - wide band radar 由于小波变换对超宽带雷达信号的分析具有独特之处,将二者相结合的研究具有巨大的潜力。
And through gathering actual gear wheel vibration signal from laboratory , utilizing wavelet transform to study singularity monitoring , has made the good results 并且通过从实验台采集到的实际齿轮振动信号分析,利用小波变换对其进行奇异性监测研究,取得了良好的效果。
Then , we investigated the epistasis of gas using walsh - schema transform , and further evaluated the epistasis order for the < wp = 5 > continuous function optimization problems 利用walsh模式变换对遗传算法基因关联问题进行了分析,并对连续函数优化问题的基因关联阶数进行了估计。
Ieee trans . signal processing , 1998 , 46 : 1185 - 1188 . 7 liao p , shen l . unified probabilistic models for facerecognition from a single example image per person 本文用小波变换对掌纹纹理进行多分辨率分析,定义了一种崭新的用于掌纹识别的纹理特征小波能量特征wavelet energy feature , wef 。
In this paper , a single - frame fringe analysis method is presented , in which subdivided fringe is modeled by linear phase and the coefficients are extracted by complex wavelet transform ( cwt ) 摘要本文提出了利用复数小波变换对干涉图象相位进行分块线性拟合的一种新颖的单帧干涉图象分析方法。
Wavelet transform . we researched wavelet transform in detail , programmed software with visual c + + 6 . 0 , and decomposed and composed the image under three scales by wavelet transform . 3 对小波变换进行了详细研究,并用visualc + + 6 . 0语言编制了软件,利用小波变换对图像进行三个尺度下的分解与重构。