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matlab-cwt
连续小波变换的MATLAB实现(未调用cwt函数)(Continuous wavelet transform of MATLAB (not using function cwt))
- 2021-03-16 01:19:23下载
- 积分:1
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脉搏信号分析 pulse
脉搏信号分析
(1)设计滤波器,实现对脉搏信号的噪声抑制和基线纠漂;
(2)时域分析:波形特征检测;
(3)功率谱分析:对消噪后的信号进行功率谱分析。要求计算信号的功率谱,功率谱峰值,峰值频率。
(Pulse signal analysis (1) design the filter, to achieve the pulse signal noise suppression and baseline drift correction (2) time-domain analysis: waveform feature detection (3) power spectral analysis: noise cancellation signal after the power spectrum analysis . Require calculation of the signal power spectrum, peak power spectrum, peak frequency.)
- 2011-07-13 09:56:01下载
- 积分:1
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滚动轴承外圈故障频率,小波分析后包络变换,数据来源西储大学
滚动轴承外圈故障频率,小波分析后包络变换,数据来源西储大学
- 2022-10-25 04:35:03下载
- 积分:1
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Josephu
说明: 用Java实现97提升小波变换,动态演示和可视化(Realizes 97 promotion wavelet transformation with Java, dynamic demonstration and visualization )
- 2010-04-29 08:07:05下载
- 积分:1
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decomposition
运行emd,得到输入信号X的固有模态函数(imf),每列代表着信号X的一阶分量,X就是我们采集的信号。
hhtdn是hht去噪的程序,可以不看,仅看emd 和 findpeaks
wvtdn是wavelet去噪程序,如果只是分解信号,仅用下面的语句即可
[C,L] = wavedec(x_noise,dl,wn);
x_noise就是我们采集的信号,dl是分解的阶数,wn是分解的母小波名称(% Empiricial Mode Decomposition (Hilbert-Huang Transform)
% imf = emd(x)
% Func : findpeaks)
- 2021-04-13 22:28:55下载
- 积分:1
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haar
说明: 整数Haar小波变换和逆变换 可用于差值扩展等(Integer Haar wavelet transform and inverter)
- 2010-04-26 16:42:55下载
- 积分:1
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BackProjectionbyrao
多点目标 单站SAR的回波信号仿真以及BP后向投影成像
参数见合成孔径雷达成像——算法与实现一书表6.1
运行结果正确,注释比较详细(Percent more single station SAR point target echo signal simulation and backward projection imaging BP parameters, see synthetic aperture radar imaging- algorithm and implementation of a book Table 6.1 run result is correct, more detailed notes)
- 2020-10-28 22:19:58下载
- 积分:1
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wpdec2--function
各种小波包函数的matlab 实现,对理解小波包很有用处(Various wavelet packet function of matlab, is very useful to understand the wavelet packet
)
- 2020-09-14 11:47:57下载
- 积分:1
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202
1、求冲激函数、阶跃函数及三角函数的小波变换
2、模极大值曲线
3、求它们的李氏指数(one, seeking impulse function, step function and trigonometry two wavelet transform, modulus maxima curve 3, Lee seeking their index)
- 2007-03-13 11:29:45下载
- 积分:1
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整数小波变换
整数小波变换,可以直接运行,对图像小波分解(Integer wavelet transform)
- 2020-09-06 09:38:06下载
- 积分:1