By researching on the theory of the signal sudden change token by wavelet, this paper provides the principle and algorithm of audio signal pitch extraction based on wavelet principle.
通过对小波变换表征信号突变原理的研究，给出了基于小波变换的音频信号基频提取的原理和算法。
Time frequency analysis method is used to analyze the time domain and frequency domain of seismic waves at the same time according to the principle of wavelet transformation.
时频分析方法是利用小波变换原理，从地震波的时间域和频率域同时对其作出分析。
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。
Based on analyzing the physical essence and the principle of singularity detection, this paper discusses the effect of wavelet bases and white noise on signal singularity detection.
在分析小波变换物理本质和奇异性检测原理的基础上，研究了小波基和白噪声对信号奇异性检测性能的影响。
This paper illustrates principle of the peculiarity of signal test based on wavelet analysis, and extracts the peculiarity of signal test in pile foundation.
本文阐述了利用小波分析来检测信号的奇异特征的原理，并对桩基础检测信号的奇异性进行了提取。
In this paper, we particularly explain the basic principle of orthonormal wavelet Transform by multiresolution and wavelet decompose and give a realization algorithm.
本文详细介绍了通过多分辨分析和小波分解实现正交小波变换的基本原理，并给出了实现算法。
The author introduces the basic principle and procedure of wavelet analysis and discusses the applicability of the log signal wavelet analysis in the high-resolution sequence stratigraphic division.
介绍了小波分析的基本原理和步骤，探讨了测井信号小波分析在高分辨率层序地层划分中的适用性及其意义。
Finally, we use the principle of wavelet edge detection and suggest an algorithm of automatic threshold choice according to difference color background in wavelet edge detection.
利用小波边缘检测原理，给出一种能根据不同彩色背景自动选取阀值的小波边缘检测算法。
With this element, We constructed a compact and smart multi-channel texture segmentation system based on principle of optical wavelet transform.
结合光学子波变换原理，构建了一个紧凑小型的多通道纹理图象处理系统，给出了设计与实验结果。
Based on expatiate wavelet transform principle, aimed at the construction of fusion operator, a new scheme using the correlation of decomposition coefficients is presented.
文中在阐述小波变换原理的基础上，针对融合算子的构造，给出了一种新的基于小波系数相关性的融合方法。
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。
In this paper, wavelet is used to erase speckle noise in radar PPI, and the principle of morphology is used for building structure element to filter off the speckle noise and clutter.
提出了利用小波来去除雷达平面位置图像(PPI)的散点噪声，然后利用形态学原理构造目标结构元来滤除斑点噪声和杂波。
Base on the basic model of orthogonal wavelet transforms, principle of remote sensing image fusion is discussed by using orthogonal wavelet decomposition and reconstruction in this paper.
在给出小波变换基本模型的基础上，探讨了采用小波正交分解与重构来进行遥感信息融合的基本原理。
The principle of wavelet transform DE noise and it's application in ultrasonic image testing of electric contact braze quality inspection was introduced in this paper.
介绍了小波变换降噪的原理及其在低压开关触头钎焊质量的超声成像检测中的应用。
This paper describes the principle of singularity detection of signals with wavelet transform. A fast algorithm is developed for computing wavelet transform of signals.
本文介绍了小波变换用于信号突变的检测原理，给出了实现小波变换的快速算法。
Based on the principle of modulus maximum, a new approach using scalogram of wavelet transform for transient signal, under noise free condition or noise condition separately, is described.
利用小波变换模极大值原理，提出了用小波变换尺度谱检测瞬态信号波至点的新方法，研究了其检测无噪声和有噪声条件下的瞬态信号的能力。
Combining with the denoising principle, the rational selection issue concerning more suitable wavelet base and the best threshold rule in actual application is discussed and compared.
基于小波变换对信号去噪进行了深入地分析和研究，结合去噪原理讨论和比较了实际应用中对小波基及阈值规则的合理选取问题。
The mathematic principle of wavelet multi-scale analysis is introduced. The 13 terms of gravity data, which are observed in the Three Gorges region, are decomposed by wavelet method.
介绍了小波多尺度分析的数学原理，以三峡13期流动重力资料为例进行了小波分解。
Data were embedded into the Least Significant Bit-plane (LSB) of high frequency CDF (2, 2) integer wavelet coefficients, which accorded with the principle of Human Visual System (HVS).
在图像的小波子带系数的最低位(LSB)嵌入隐藏数据，将数据嵌入到小波cdf(2,2)的高频子带系数中，符合人的视觉系统原理(HVS)。
This article introduced essential principle of wavelet packet multi-scale analysis and design of experimental equipment of damage checking of intelligent composite materials under vibrating state.
本文介绍了小波包多尺度分析的基本原理，设计了振动状况下智能复合材料板损伤检测的实验装置。
The optical wavelet transform filtering is introduced emphatically, the principle of the measurement system is discussed in depth and its potential applications are pointed out.
重点介绍了光学小波滤波解调法，探讨了其测量系统的原理，并指出该方法可用于微弱信号的检测与处理。
In allusion to the character of the wave noise, with contrast to the old way to denoise, the advantage, essence and principle of the analysis based on wavelet for denoise are elaborated in detail.
针对波浪噪声特性，通过与传统去噪方式作比较，将小波分析去噪的优势、本质及原理进行了一一阐述。
The followings are studied in this thesis: principle of wavelet based image coding methods, key problems of wavelet transform in image codec and some main coding algorithms based on wavelet.
给出了基于小波的图像压缩编码的基本原理与主要几种小波图像压缩算法，讨论了图像编码中小波基选取、边界处理以及分解级数等几个问题。
On the basis of expounding the basic principle using 2-d wavelet transform for seismic attributes data, the paper built up the effective flow used for multi-scale edge detection of image.
本文在阐明二维小波变换用于地震属性数据基本原理的基础上，建立了小波变换用于图像多尺度边缘检测的有效流程。
Making use of the principle, the radial vibration signals of real running rotor is monitored and analyzed by wavelet method. Good results are obtained at the end of the paper.
利用该原则，本文对实际转子运行的径向振动信号进行了小波信号监测分析，得出了较好的结论。
The principle and process of the second generation transform based on interpolating subdivision is described, and then the selection of wavelet shrinkage is provided.
介绍了基于插值细分法的第二代小波变换的基本原理和变换过程，给出了小波降噪的阈值选取方法。
The principle of image decomposition and reconstruction based on Gauss-pyramid, Laplacian-pyramid, contrast-pyramid and wavelet-pyramid is emphatically analyzed, as well as the fusion algorithm.
重点分析了高斯金字塔、拉普拉斯金字塔、对比度金字塔和小波金字塔在图像分解与重构中的原理及其融合算法。
Second, the wavelet coefficients are reconstruct based on the top few principle components and the local noise energy is estimated based on the mean energy of reconstructed wavelet coefficients;
然后以主分量对小波系数进行重建的平均能量作为局部噪声能量的估计；
Second, the wavelet coefficients are reconstruct based on the top few principle components and the local noise energy is estimated based on the mean energy of reconstructed wavelet coefficients;
然后以主分量对小波系数进行重建的平均能量作为局部噪声能量的估计；
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