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介绍小波,以及小波变换,包含连续小波,离散小波的原理-Introduction of wavelet and wavelet transform, including continuous wavelet, discrete wavelet theory
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利用matlab程序实现对一维信号进行连续小波变换,进而在程序的编辑过程理解一位连续小波变换的小波系数矩阵的含义。
同时通过对预算的到的小波系数矩阵进行分析解释,得到原始信号的频谱分布以及了解小波系数在尺度和位移两个分量上的意义。-Matlab program to achieve continuous wavelet transform of one-dimensional signal, and then in the editing process of the program
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针对滚动轴承信号的特点,构造脉冲响应小波,采用连续小波变换的方法提取滚动轴承故障信号,提出两种诊断方法。-For Rolling signal characteristics and tectonic pulse response wavelet using continuous wavelet transform to extract the rolling bearing fault signals, and proposed two diagnostic methods.
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对结构响应信号进行连续复Morlet小波变换,根据小波系数的模极大值提取小波脊线,识别结构的瞬时频率;为降低噪音的影响,采用奇异值分解(SVD)方法进行降噪处理,建立了一种基于连续复小波变换识别时变系统
瞬时频率的方法。用一个具有时变刚度的弹簧质量系统的数值算例验证方法的有效性,随后设计了一个时变拉索
结构试验,分别对索施加线性和正弦变化的拉力,同时测试结构的冲击响应,运用提出的方法成功地识别了索的瞬时频率。数值与试验结果表明,提出的方法能有效地识别时变结构的瞬时频率,且识别方法具有一定
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wavelet transform theory-Describes the continuous wavelet theory and implementation process, discrete wavelet transform theory and technology application
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Wavelets and Continuous Wavelet Transform and Scalo
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详细介绍了交叉小波变换,连续小波变换,并将其运用到实际地理气象序列中。-Cross wavelet transform was introduced in detail, the continuous wavelet transform, and applied it to the actual geographical meteorological sequences.
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利用连续小波变换,交叉小波变换研究ENSO对长江流域径流的影响。-Using the continuous wavelet transform, ENSO cross wavelet transform research on the influence of the Yangtze river basin runoff.
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The continuous wavelet transform can be used to produce spectrograms which show the frequency
content of sounds ~or other signals! as a function of time in a manner analogous to sheet music.
While this technique is commonly used in the engineerin
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本文讲述了地震面波压制,提高信噪比,剔除干扰信号-Adaptive attenuation of ground roll via continuous wavelet transform (1)
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The compressed document consists of several code files which are used to implement the continuous wavelet transform.It enables you to be understand CWT more precisely.wish you like it.
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连续小波变换,傅里叶变换,短时傅里叶变换等(Continuous wavelet transform, Fourier transform, short time Fourier transform, etc.)
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