• 菲舍尔更喜欢一种比较常用数学方法——变换这种方法可以将声音分解比较短离散小波成分

    Fischer prefers to use a less common mathematical process known as the wavelet transformation, which represents the sound in terms of short, discrete components known as wavelets.

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  • 方法方法比较变换后的测井曲线反应细节信息,具有更高纵向分辨率

    Compared with deconvolution method, the well log curves transformed by wavelet analysis contain more detailed information and reach higher vertical resolution.

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  • 分析方法利用小波变换原理地震时间频率同时作出分析

    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.

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  • 常规横向剪切干涉仪基础上,利用前周期假设,基于小波变换方法实现前重构。

    On the assumption of wavefront prolongation, a new optical phase retrieval algorithm by conventional lateral shear interferometer with wavelet transform is introduced.

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  • 方法首先利用变换成分分析故障信号进行预处理然后处理后的故障特征数据小波神经网络进行训练测试

    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.

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  • 本文主要研究目前较为流行的基于统计学习理论分类方法——支持向量方法(SVM),以及变换提取特征方法,将用于人脸检测

    This paper mainly make research on classify methods based on statistical theory, support vector machine (SVM), and feature extraction method-wavelet transform, and using them in human face detection.

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  • 图像小波变换原理讨论基础上,提出一种较为实用的图像尺度边缘检测方法,同时如何抑制噪声干扰进行了讨论。

    Based on the discussion of the theory of wavelet transform of images, a practical multi scale edge detecting method is put forward and the ways to suppress noise interference are discussed.

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  • 通过两种方法定性对比得出小波变换边缘检测算法出的图像具有边缘清晰、细腻,性能等特点

    By qualitative contrast between this two methods, explain wavelet transform edge detection algorithm detects the image that have edge distinct, fine, fight to chirp performance strong etc.

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  • 实测资料处理结果表明利用小波变换可以进行压制MT中的静态偏移种有效的、潜在校正方法

    The result shows that the wavelet transformation would be used to constrain the static shift in MT, which is effective and potential method of static correction.

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  • 方法通过宿主图像水印图像小波变换,该算法把水印图像的低频成分嵌入到原始宿主图像的低频部分。

    Methods Based on wavelet transform of watermark image and host image, low-frequency ingredient of watermark is embedded in low-frequency part of host image.

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  • 基于信号不同尺度下小波变换数模不同变化特征结合梯度估计算法提出一种边缘检测方法

    Based on different properties of the coefficient modulus of the signal in different scale wavelet transform, conjunction the best estimate of gradient algorithm an edge detecting method is proposed.

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  • 提出一种用于多尺度边缘检测小波变换系数计算方法并且具体例子进行了检验,表明了方法有效性

    A method of calculating wavelet transformation filter coefficients for multiscale edge detection is given in this paper, and the efficiency of the method is clarified.

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  • 基于小波变换信号检测方法进行了深入的研究,不同尺度分析处理信号的各种频率成份。

    In the paper, the way of detection of signal based on wavelet transform is researched, it analyses and processes signal of the various frequency at different scales.

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  • 提出一种应用小波变换提取分类特征基于支撑矢量通信信号调制识别方法

    A new method of modulation identification for communication signals, using wavelet transform to extract characteristics and based on support vector machines (SVM), is proposed.

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  • 基于提升方法构造整数小波变换采用行索引稀疏存储方案,可以海量影像数据进行高保真压缩

    The method of sparsely row-indexed storage has been used to compress large volumes of image data, on the base of integer wavelet transform constructed by lift scheme.

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  • 运动非常激烈时,则首先采用变换然后再方法进行匹配搜索,减少大量复杂运算量

    If the movement is drastic, adopt the wavelet transformation first, then use this method to search block match, which can reduce a great deal of complicated calculating.

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  • 变换具有良好的时局部性,具有变焦距的特点,对故障信号中的奇异能够准确识别论文应用的主要分析方法

    Having good time-frequency localization character, and correctly identifying singularity point in fault signal, Wavelet is the main analysis method in this paper.

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  • 特别是阈值方法,提出了一种基于正交小波变换自适应学习算法的噪声抑制方法

    Especially to threshold de-noising, a method based on orthogonal wavelet analysis and self-adaptive learning algorithm was proposed here.

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  • 小波变换方法分析组分溶液吸收光谱可以测量多组分混合溶液组分的含量。

    Using Absorption spectroscopic analysis to analyze Multi component solution with wavelet transform, the quantities of each component in the mixed solution can be measured.

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  • 提出一种基于小波变换匹配运动估计搜索的算法模拟实验表明,利用算法可获得一般运动块匹配方法大的峰值信噪比,具有更好的性能复杂度比。

    The authors present a new algorithm for block-matching motion estimation based on wavelet transform. The simulation shows that this algorithm has better PSNR and performance-to-complexity ratio.

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  • 数字图像分辨率分析理论基础上,采用小波变换方法对高分辨遥感图像目标地物边缘进行信息增强,然后多光谱遥感图像进行特征信息融合

    After the wavelet's multi-resolution analysis, a feature fusion approach was adopted to enhance remote sensing image edge and improve the definition and resolving power of the image.

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  • 基于小波变换分析方法提出了基于定子三相电流之间相位对称检测定子绕组匝间短路故障在线检测方法

    Based on wavelet transform, a novel on-line detection method is presented, which is based on the detection of symmetry degree among the stator three-phase line currents phases.

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  • 分析(或小波变换)一种新的分析方法具有良好的时频局部化特性适用于电力系统故障分析。

    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.

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  • 变换是一个新兴数学分支,本文利用小波变换特性研究图象数据压缩方法探寻高比例质量压缩图象数据途径

    The paper, by using the transform characteristic of Wavelet, mainly studies the method for image data compression in order to search for the new way of high proportion, high quality image compression.

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  • 实验表明方法融合结果误差拉普拉斯金字塔算法变换方法降低约30%- 60%。

    The experimental results demonstrate that the MSE (mean square error) reduced by this proposed approach decreases 30% - 60% than that by Laplacian pyramid and discrete wavelet transform approaches.

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  • 理论上计算各个参数设置范围并且证明小波变换方法FFT方法较高频率分辨率

    Calculates the setting range of each parameter in theory, and proves the method of wavelet transformation has higher frequency resolution than the method of FFT.

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  • 小波变换局部极大方法利用信号噪声不同尺度变化特性区分信号与噪声,将噪声信号中分离出来。

    A filtering method based on wavelet transform with local maximum value was discussed. The method could distinguish signal from the noise according to the different features of scale change.

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  • 针对变换分辨分析(mra)特点本文提出一种多尺度分级自适应模糊权重去噪方法

    According to the feature of the MRA, this paper presents a noise filtering method of adaptive fuzzy threshold for wavelet classification base on multi resolution.

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  • 针对变换分辨分析(mra)特点本文提出一种多尺度分级自适应模糊权重去噪方法

    According to the feature of the MRA, this paper presents a noise filtering method of adaptive fuzzy threshold for wavelet classification base on multi resolution.

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