Wavelet transform is Mallat algorithm in substance but a key point of Mallat algorithm is that wavelet's filter is convolved with function, so the calculation of coefficients of impulse response of filter of wavelet is very importment for Mallat algorithm.

在信號(hào)和圖象處理中小波變換的實(shí)質(zhì)是Mallat算法a欧美专区，而Mallat算法中其基點(diǎn)是小波所對(duì)應(yīng)的濾波器和原函數(shù)作卷積成人免费视频网站，因此小波所對(duì)應(yīng)的濾波器的沖激響應(yīng)系數(shù)的計(jì)算對(duì)Mallat算法的實(shí)現(xiàn)具有現(xiàn)實(shí)的意義。

The wavelet function corresponding to a certain scale can be regarded as the transfer function of a band-pass filter according to the definition of CWT, thus, sampling the signal and the wavelet function respectively, the wavelet coefficients at this scale can be obtained by convolving the two time series.

根據(jù)CWT的定義天堂视频网站在线观看，可將某一尺度下的小波函數(shù)看作一帶通濾波器的傳遞函數(shù)亚洲91呦呦视频，于是對(duì)信號(hào)和小波函數(shù)分別進(jìn)行采樣后，再利用快速傅里葉變換實(shí)現(xiàn)兩個(gè)序列的線性卷積中文无码视频t，便能求出相應(yīng)尺度下的小波系數(shù)最新白嫩丰满美女AV网站。

In the paper Wavelet Transform was performed on the Steel Board picture,and combining the Fractal Brownian Model,computing the Fractal Dimensions of the Wavelet Coefficient pictures of different frequencies resulted from Wavelet decompounding,and make it the feature to differentiate Side Wave defect and nick detect.

本文在對(duì)鍍鋅鋼板圖像進(jìn)行小波變換的基礎(chǔ)上，結(jié)合分形布朗模型色视频在线一区二区三区，計(jì)算小波分解得到的不同頻率下的小波系數(shù)圖像分形維數(shù)一级欧美黑人大战白妞，以此作為區(qū)分邊浪與劃痕缺陷的特征18岁免费看的黄色网站。

Firstly, the effects of vibration signal de-noising among Fourier transform, wavelet decomposition and wavelet packet decomposition were compared. Secondly, the singular value decomposition was applied to de noise vibration signals. Finally, a new de noising method integrated with wavelet packet and singular value was put forward.

首先對(duì)傅里葉濾波降噪、小波降噪和小波包降噪的效果進(jìn)行了對(duì)比色秀视频a8a6com，然后將奇異值分解技術(shù)用于信號(hào)降噪国产精品老女人精品视频，最后提出了一種將小波包和奇異值分解相結(jié)合的降噪方法。

Compared with the common wavelet by the Fourier transform, the decay of weighted wavelet coefficient is faster than that of the common wavelet. Furthermore, the method is simple and easily applied. Its computational complexity is greatly reduced.

與采用常見的Fourier變換得到的正交小波相比黄片A片三级aa黄，加權(quán)小波系數(shù)的衰減性比正交小波的系數(shù)衰減性快免看一级a一片日韩A片，而且計(jì)算過程簡單，復(fù)雜度低a级黄片一级，易于應(yīng)用人人澡人人爽人人夜夜。

Based on a wavelet and multiscale analysis of theoretical model data and measured data and a comparison of the application results between the upward continuation and the wavelet and multiscale analysis, the authors hold that the wavelet multiscale decomposition of magnetic anomaly can play an important role in search for deep-buried mineral deposits.

為了弄清這些問題，筆者通過小波多尺度分析理論模型數(shù)據(jù)和實(shí)測數(shù)據(jù)進(jìn)行分解處理特黄一级乱淫A片，對(duì)比了向上延拓和小波多尺度分析方法在磁測資料處理中的應(yīng)用效果，證明了磁異常小波多尺度分解方法對(duì)礦山的深部找礦具有積極的作用尤物成人高清在线观看网址大全免费。

Firstly, we study the theory and application of jump points and sharp cusp points detection by wavelet transform. The studied object is from white noise to correlated noise. We have studied the properties of correlated noise in wavelet transform, and the properties of deterministic function with jumps and sharp cusps in wavelet transform.

首先研究了研究了小波變換在突變點(diǎn)與尖點(diǎn)檢測中的理論與應(yīng)用免费看一级大黄片，研究的對(duì)象由白噪到相關(guān)噪聲，研究了相關(guān)噪聲在小波變換的性質(zhì)亚洲图片一级色，以及對(duì)具有突變點(diǎn)和尖點(diǎn)的函數(shù)在小波變換下的性質(zhì)大学生一级A片，有關(guān)這些性質(zhì)，我們均以定理形式給出中文字幕网无码人妻精品18区，并給出了詳細(xì)的證明亚洲欧美综合久久久久久小说。

However, to construct a tensor product orthonomal wavelet basis in L〓, 2〓-1 different functions are used. Furthermore, it is concluded that the family, obtained by dilations and translations from this radial wavelet as well as their linear combinations, can constitute an orthonomal basis in L〓. The conclusion is a major breakthrough in multidimensional wavelet analysis.

從而得到：由一個(gè)徑向小波的伸縮、平移系及其線性組合可以構(gòu)成n維平方可積函數(shù)空間L〓的規(guī)范正交基爱情岛论坛首页无码免费，這個(gè)結(jié)果將當(dāng)前利用張量積方法構(gòu)造n維正交小波基所需要的2〓-1個(gè)不同的函數(shù)降為僅需要一個(gè)徑向小波函數(shù)日本一区,二区,三区AⅤ视频，這在理論上是一個(gè)重大突破；構(gòu)造了同時(shí)具備局部支撐和無窮次連續(xù)可微性質(zhì)的高維不可分小波的例子8x成年视频在线观看免费，這是不同于I狼友视频在线的。

On the basis of taking full advantage of multi scale wavelet analysis,the proposed algorithm improves the contrast of the approximations of the wavelet transform through two lifting steps,and shrinkages the coefficients of wavelet transform on the diferent degree and then enhances the coefficients.

在多尺度分析基礎(chǔ)上，該算法對(duì)小渡分解得到的低頻子帶圖像采用兩步提升法進(jìn)行對(duì)比度增強(qiáng)處理精品丝袜国产在线精品不卡，而對(duì)小波分解得到的不同方向上的小波系數(shù)進(jìn)行不同程度的去噪并增強(qiáng)男人网站在线观看网站不卡。

According to the characteristic of wavelet packet transformation and fuzzy neural network, this paper proposed a new method of discriminating fault line for single-phase ground in distribution system based on the wavelet packet transformation and fuzzy neural network. The wavelet packet fuzzy neural network trained by the post fault zero sequence current is used to discriminate the fault line.

根據(jù)小波包變換和模糊神經(jīng)網(wǎng)絡(luò)的特點(diǎn)，提出了基於小波包變換模糊神經(jīng)網(wǎng)絡(luò)的一種小電流接地系統(tǒng)單相接地故障選線方法免费观看黄网站不卡影院视频，即利用經(jīng)過接地后零序電流訓(xùn)練的小波模糊神經(jīng)網(wǎng)絡(luò)來判別接地線路幸福宝app官网在线入口。