The results show that the frequency characteristic corresponds with vortex structures; the detail and approximate characteristics of signal are reflected by wavelet coefficient at different scales; the coefficient map of continuous wavelet transformation reveals the self-similarity of the signal.

采用傅里葉變換和小波變換技術(shù)国产jiuse视频网站最新地址，實現(xiàn)了混合層密度脈動信號的頻譜與多分辨率分析18岁禁看黄色，結(jié)果表明：信號的頻域特性與流場的渦結(jié)構(gòu)相對應(yīng)人人干人人看人人插人人操，不同層面的離散小波系數(shù)反映了不同尺度下信號與圖像的細(xì)節(jié)和平滑近似特征日韩在线观看网红自拍视频，連續(xù)小波變換系數(shù)圖定性的反映了信號的自相似特征。

On the basis of continuous wavelet transform, a signal analysis method based on extracting the energy spectrum of the signal on wavelet scale was proposed.

通過對連續(xù)小波變換的分析研究国产三区女同，提出了一種提取信號在小波尺度上的能量譜的信號分析方法。

In the applications of wavelet, it is the most difficult and cumbrous to select the suitable wavelet bases.

摘要在有關(guān)小波的各種應(yīng)用中，合適小波基的選取是一個極為重要和棘手的問題精品国产亚洲一区二区三区。

This paper has given a thorough investigation into the application of BP neural network to gravitational density interface inversion as well as the implementation of wavelet theory in potential field decomposition and, on such a basis, analysed and evaluated the prospect of applying wavelet neural network to the inversion of gravitational and magnetic data.

重磁數(shù)據(jù)處理是地球探測與信息技術(shù)學(xué)科中重磁方法99re视频在线这里精品、理論在生產(chǎn)實踐工作中的重要環(huán)節(jié)，其中反演問題和位場分離除了具備自身的作用外亚洲一区欧美日韩，兩者并不是截然分開的人妻亚洲一区。位場分離可以為反演問題提供更加可靠的先驗信息，對提高反演精度具有一定的作用wwwww网站。反演問題是地球物理的核心問題性爱视频网站入口。增

This paper has given a thorough investigation into theapplication of BP neural network to gravitational density interface inversion as well as the implementation of wavelet theory in potential field decomposition and, on such a basis, analysed and evaluated the prospect of applying wavelet neural network to the inversion of gravitational and magnetic data.

文摘：對BP神經(jīng)網(wǎng)絡(luò)在重力密度界面反演以及小波分析在位場分離上的應(yīng)用進(jìn)行了深入的研究，進(jìn)而對小波神經(jīng)網(wǎng)絡(luò)在重磁資料反演中的應(yīng)用前景進(jìn)行了分析亚洲欧美综合图片、評價啪啪视频黄色。

A method based on wavelet analysis and wavelet ridge is proposed to demodulate the UM71 signal and extract its information features.

針對UM 71信號的信息特征，提出了基于小波分析技術(shù)免费黄色高清无码视频、利用小波脊線對UM 71信號進(jìn)行解調(diào)進(jìn)而提取UM 71信號信息特征的方法不卡免费A级毛片，給出了小波算法解調(diào)過程，通過計算機(jī)仿真国产精品亚洲视频，證明了此方法的有效性一级A爱毛片。

This function is infinite-order differentiable with respect to wavelet coefficient, and can adaptively shrink wavelet coefficient in the neighborhood of the threshold.

其為收縮因子函數(shù)與小波系數(shù)的乘積，對小波系數(shù)無窮可導(dǎo)免费黄污网站、可在閾值鄰域內(nèi)對小波系數(shù)自適應(yīng)收縮欧美性爱黄色一级录像。

Based on this idea, in this paper, we used an infinitely differentiable wavelet with a local support. Its properties are different from those of orthonormal wavelet bases.

基于這一思想，本課題所使用的小波不象一般的正交小波基局部性和正則性是沖突的igao视频激情在线，相反色欧美性爱，它既是局部支撐的，又是無限光滑的欧美AⅤ免费福利视频。

This paper is based on the two dimension wavelet theory. It analyses the application of image processing and tries to reflect the character of two dimension wavelet applied to image processing.

本文從二維小波理論出發(fā)亚洲一本岛视频在线观看，對其在圖像處理的應(yīng)用上進(jìn)行了一些分析和處理，力圖反映出小波分析在圖像處理方面有著其獨特的特點欧美性爱网络。

According to the multi-scale propagation characteristic of image edge and noise as well as principle of edge detection using wavelet transforman,an algorithm based on cubic B-spline wavelet and directional derivative is presented.

根據(jù)圖像邊緣及噪聲的多尺度傳播特性和小波邊緣檢測的基本原理欧美性爱色视频，提出了一種基于方向?qū)?shù)和三次B樣條小波的邊緣檢測算法。