小波分析

基于小波分析的GIS地图数据压缩及边界处理

Border Processing of GIS Map Data Compression Based on Wavelet Analysis

小波分析理论在GPS技术中的应用

The application of wavelet analysis theory to the technology of GPS

基于小波分析的医学CR影像随机噪声消除

Removal of random noises for medical CR images using WT

小波分析在CO2弧焊控制中的应用

Application of wavelet analysis in CO_2 welding control

PET信号的二维多分辨率小波分析

2D multi - resolution Wavelet analysis of PET signals

基于小波分析的CO2弧焊电源工艺动特性的评定

Evaluation of technologic dynamic characteristic of co_2 arc welding power source basing on wavelet analysis

采用Matlab所提供的一维离散小波分析工具软件，对所采集的漏电数据信号实现小波变换分析。

To use the software wavelet 1-D in Matlab toolbox these acquired data were analyzed .

基于小波分析和三次有理Bézier样条的曲线光顺算法

A Fairing Method for Curves Based on Wavelet and Rational Cubic B é zier Spline Curve

小波分析和ECG信号的检测

Wavelet Analysis of ECG Signal

基于小波分析的ECU仿真测试台信号检测

Signal checking for ECU simulation testing platform based on wavelet analysis

小波分析来自Fourier分析，依赖于Fourier分析，但不能代替Fourier分析，二者是相辅相成的。

Wavelet analysis comes from and relies on Fourier analysis , but it can not replace Fourier analysis . They complement each other .

小波分析是近年来国际上一个非常热门的前沿研究领域，是继Fourier分析之后的一个突破性进展。

In recent years , wavelet analysis becomes an interesting research area . It is a breakthrough development on mathematics after Fourier analysis .

用多尺度小波分析的方法对ICT投影数据进行过滤降噪，然后重建ICT图象。

Projections of ICT were filtered and their images were reconstructed by multiscale wavelet analy-sis .

基于DWT的图像压缩技术是小波分析理论的一个重要应用方面。

Image compression technology based on the DWT is an important application aspect of the wavelet analysis theory .

本文简述了小波分析的基本原理和方法，在Matlab语言的基础上，对小波分析在信号消噪中的应用进行了探讨。

The article simply expounds the basic principles and methods of wavelet analysis and analyzes the application of wavelet analysis in the removing noise in signal based on the Matlab .

目的探讨小波分析在肾综合征出血热（HFRS）变化趋势特征提取上的应用。

Objective To explor the application of wavelet analysis in Haemorrhagic Fever with Renal Syndrome ( HFRS ) period .

同时，通过对疵点检测的深入分析以及对前人的研究成果的总结，本文分别提出了基于小波分析的疵点检测算法和基于BP神经网络的疵点分类算法。

Base on the deeply analysis fabric inspection and summarizing the research before , we propose a fabric detection algorithm using wavelet analysis , and an fabric classification algorithm using BP Neural Network .

Fourier分析已经成为几乎每个研究领域的科学工作者都乐于使用的数学工具，小波分析则是Fourier分析的发展和完善。

Fourier analysis has become a mathematic tool favored by many scientists in almost every research fields , while the wavelet analysis is the development and perfection of the Fourier analysis .

小波分析与Kohonen神经网络方法在埋地管道防护层缺陷现场检测中的应用

Application of wavelet analysis and Kohonen neural networks for fieid detection of spots on underground pipeline coating

在图像分解的基础上，利用小波分析对工业X射线图像进行去噪和增强处理，能够有效地改善图像质量，有利于电脑评片的实现。

Based on image decomposition , the X ray image was filtered and enhanced by wavelet analysis . Results showed that the image quality was improved and it would benefit the realization of computer interpretation of films .

在运用小波分析方法提取陀螺仪输出数据中的趋势项的基础上，建立了陀螺仪漂移的ARMA模型；

Based on analyzing gyro data with wavelet transform theory to extract the trend portion , the ARMA model of gyro drift has been built .

模拟算例表明，小波分析和BP神经网络联合运用能准确地诊断结构损伤时刻、损伤位置和程度，具有一定的可行性。

It is shown by an illustrative simulation that coupled utilization of wavelet analysis and BP neural network can accurately make a diagnosis of the emerging instant , location , and degree of structure damage with certain feasibility .

针对红外水分仪出来的信噪比相对较低的微弱信号，利用MATLAB小波分析工具包进行了小波软阈值滤波的可行性仿真之后，编写C语言程序进行实际实现。

Considering the signal 's SNR is relatively low and it belongs to weak signal , some feasible simulations of the wavelet soft threshold filter with MATLAB wavelet analysis tool packet are done , and the C program is compiled and executed .

基于小波分析和B-J方法的数据结构挖掘和预测

Finding and Forecasting of Data Structure Based on Wavelet Analysis and B-J Method

在使用神经网络进行成本估计的基础上，利用小波分析对网络进行了改进，提高了收敛速度，并给出例子，在Matlab中进行了计算。

On the basis of carrying out cost estimation by the use of neural network , utilizing wavelet analysis to carrying out the improvement on the network raised the convergent speed and a calculation was carried out through Matlab on a given example .

然而，小波分析存在选择小波基的困难，而HHT变换不需要预先选择基函数，其EMD（Empiricalmodedecomposition）得到的IMF（IntrinsicModeFunction）能反映原始信号的固有特性，通常具有实际物理意义；

In HHT the intrinsic mode function ( IMF ) obtained with empirical mode decomposition ( EMD ) can reflect the intrinsic physical characteristics of original data and it has no need of using base functions , while in WT selecting mother wavelet is a difficulty problem .

在Priestley提出的基于小波分析进化谱理论基础上，对改进进化谱估计的性能进行了研究。

The improvement of the accuracy of the wavelet based evolutionary spectrum estimation is discussed , which is based on the original work of Priestley .

文中将小波分析理论、神经网络技术与D-S证据理论引入到火箭发动机故障诊断中，提出了一种适于发动机故障诊断的小波神经网络信息融合方法。

This text puts forward a kind of information fusion methods according to wavelet neural network that be suitable for fault diagnosis of rocket engine by leading into wavelet analysis theories , neural network technique and D-S evidence theory .

采用DELPHI结合MATLAB技术设计了一套原油集输管道泄漏监测及定位系统，检测结果表明，基于小波分析的输油管道泄漏检测技术可以准确地进行泄漏判断，比较准确的找到泄漏点。

A real-time supervising and localization system for crude oil concentrated transport pipeline are designed with DELPHI and MATLAB technology . The result proves that the method on oil pipeline leakage detection based on wavelet analysis can be used in reality and accurately can locate the leak point .

对CMOS数字集成电路故障诊断技术的基本方法进行介绍，探讨了基于小波分析的CMOS电路瞬态电流IDDT故障诊断新技术的基本原理和作用。

It presents the basic method of the fault diagnosis technique for the CMOS digital IC and deals with the theory and performance of the new fault diagnosis technique based on the analysis of the transient current IDDT of CMOS circuits .