Noise reduction with wavelet analysis used in phalange recognition of computerized skeletal age assessment system can enhance the precision of skeletal age assessment.
小波去噪声技术应用于计算机骨龄评价系统中的指骨识别能提高骨龄评价的准确度。
Vibration response signals of vehicle are processed with wavelet analysis to reduce noise efficiently, and road surface roughness is analyzed by road response spectrum.
小波分析处理车辆振动响应信号,可有效降噪,通过路面反映谱分析路面不平度。
The characteristic of the concentration wave in the RTD of out-circular reactor, which is a nonstationary quasi-periodic signal, has been investigated with wavelet analysis.
应用小波分析研究了外循环反应器浓度波这类非平稳拟周期信号的特征。
The method uses wavelet transform and principle component analysis to preprocess fault signal, afterward training and testing wavelet neural network with the preprocessed fault characteristic data.
该方法首先利用小波变换和主成分分析对故障信号进行预处理,然后用处理后的故障特征数据对小波神经网络进行训练和测试。
Compared with deconvolution method, the well log curves transformed by wavelet analysis contain more detailed information and reach higher vertical resolution.
该方法与反褶积方法比较,小波变换后的测井曲线更能反应细节信息,具有更高的纵向分辨率。
At first, all levels energy of wavelet decomposed in the transient are extracted by the means of wavelet analysis, then the extracted feature vectors are classified with RBF neural network.
文中提出了首先用小波分析方法提取出瞬态信号的各级小波分解能量,然后再用r BF神经网络对提取的特征向量进行分类。
Wavelet entropy analysis shows that after sleep deprivation, compared with natural sleep, the 256 points WE of spontaneous EEG and the 32 points average WE of ERP evidently decreased.
小波熵分析结果表明,与正常睡眠组比较,睡眠剥夺组自发脑电的256点小波熵和事件相关电位的32点小波熵均值都显著降低。
Wavelet analysis, also called wavelet transform, is a new analysis method with good time frequency localization characteristic, so it is suitable for fault analysis of power system.
小波分析(或称小波变换)是一种新的时频分析方法,它具有良好的时频局部化特性,适用于电力系统故障分析。
A method of neural network prediction based on wavelet decomposition is proposed by combining the theory of wavelet analysis with the fundamental principle of neural network modeling and prediction.
将小波分析理论与神经网络建模预测基本原理相结合,提出了基于小波分解的神经网络预测方法。
Secondly, through to study gear wheel vibration signal analysis course related to wavelet theory that arrives research, explain with various wavelet project meanings and theoretical foundation.
其次,通过对研究齿轮振动信号分析过程所涉及到的小波理论的研究,阐述了不同小波变换的工程意义和理论基础。
With the practical application of sonar image recognition, comparison and analysis have been done in the selection of several typical wavelet bases which are often used in the image processing.
通过在声纳图像识别中的实际应用,对图像处理中几种典型的小波基的选择进行了比较分析。
A new effective image segmentation algorithm Based on Wavelet Operator is presented, which is tied tightly in Wavelet analysis with Fuzzy, information theory.
提出了一种新的有效的图像阈值分割算法。本算法将小波理论,模糊集理论和信息论三者有机的结合起来。
Based on the analysis of the traveling wave with wavelet transform, this paper presents a new method of traveling wave differential protection based on the wavelet transform.
文中在对行波的小波分析的基础上,提出了基于小波变换的行波差动保护原理和算法。
This article puts emphasis on how to improve compression ratio of image on the premise of ensuring the compressed image with good sight when wavelet analysis is applied to the compression of image.
本文研究的重点是将小波分析应用于图像压缩,探讨在确保压缩图像质量的前提下,如何提高图像压缩比。
Prediction parameters preprocessing method is proposed which is based on time series analysis with wavelet transform method. And in this way, the prediction accuracy is increased.
提出了基于时间序列分析和小波变换方法的实测参数预处理方法,提高了预测精度。
The analysis study of EMG signals under magnetic stimulation with the singular point theory of wavelet transformation is introduced which can determine the location of magnetic stimulation signal.
文章着重介绍应用小波分析中的奇异点探测理论,对磁场刺激下的诱发肌电信号进行分析,实时地提取磁场刺激的诱发肌电信号特征。
Through the filter experiment on the actual sampling signal, and compares with the common average filter algorithm, it proved the wavelet analysis algorithm has better filter effect.
通过对红外水分仪实际采样信号的滤波试验,并与一般平均滤波算法相比较,证明其具有更好的滤波效果。
Combining information entropy, wavelet analysis with neural network, an adaptive control system and an adaptive control algorithm are presented for machining process based on wavelet neural network.
把信息熵、小波分析和神经网络相结合,提出了基于小波神经网络的加工过程自适应控制系统度其自适应拉制算法。
The modulate Gauss function is selected as the analysis wavelet to deal with the fault signal saltation caused by the damage concussion, according to the (characteristics) of fault vibration signals.
根据走行部故障振动信号的特点,选用调制高斯函数作为分析小波,处理由损伤冲击造成的信号突变。
An abnormality diagnosis model was developed for hydraulic concrete structures operating with cracks occurring in their bodies by use of the wavelet analysis and cusp catastrophe theory.
对于带缝运行的水工混凝土结构,用小波分析和突变理论相结合的方法,建立裂缝转异诊断模型。
We introduced the principles of OOP briefly atf ir st, then, with the theory and methods of OOP, we designed an application software to implement basic wavelet analysis algorithms.
首先简述了面向对象程序设计的基本思想;然后利用面向对象程序设计的思想,设计了一个实现小波分析理论中的常用算法的应用软件。
The method based on wavelet analysis to de-noise the acquired steady data is described. It is checked with actual testing data and the result is satisfactory.
采用小波分析方法对稳态测量参数进行去噪,并用实际的试验数据对其进行了验证,取得了良好的效果。
The multiresolution image representation based on the wavelet analysis is introduced. By this way, the image resolution can be decreased in keeping with the human visual system characteristic.
本文基于小波分析提出由高分辨率图像可得到各种较低分辨率图像的多分辨方法符合人的视觉系统特性。
The data compression effect of multiresolution wavelet analysis can improve the efficiency of energy method, and energy method can deal with boundary constraints.
利用多分辨分析的数据压缩作用来提高能量法的效率,利用约束能量法来处理边界约束。
By replacing the basic wavelet in the ST with actual seismic wavelet which was extracted from seismic data, the general s transform (GST) was achieved in the seismic data analysis.
将从地震资料中提取的地震子波代替S变换中的基本小波,实现了应用在地震资料中的广义s变换。
Using Absorption spectroscopic analysis to analyze Multi component solution with wavelet transform, the quantities of each component in the mixed solution can be measured.
用小波变换的方法分析多组分溶液的吸收光谱,可以测量多组分混合溶液中各组分的含量。
The hierarchical multiresolution wavelet analysis in conjunction with the contextual information of the image extracted from GMRF results in local features of the image.
在图像的多分辨率小波分析的基础上 ,采用高斯 -马尔可夫随机场模型来描述图像的局部特征 。
This paper describes an Inverse Wavelet Transformation (IWT) approach to simulate target wind series with intermittency for given spectral functions as the input of structural wind responses analysis.
研究生成既满足给定的工程谱特性,又具有间歇性结构的风速序列作为结构气动计算的输入。
This paper describes an Inverse Wavelet Transformation (IWT) approach to simulate target wind series with intermittency for given spectral functions as the input of structural wind responses analysis.
研究生成既满足给定的工程谱特性,又具有间歇性结构的风速序列作为结构气动计算的输入。
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