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similarity
- 基于平稳双正交小波变换实现图象梯度计算,本人用MATLAB编了一个,供大家参考-biorthogonal wavelet transform image gradient calculation, I used a series MATLAB, for your reference
Invariant
- FWT_Stat用信号的平稳位移计算二进小波正变换 MM2_DWT图像的二进小波变换的模极大-FWT_Stat using signal to the smooth displacement dyadic wavelet transform is the two images MM2_DWT Progressive wavelet transform modulus maxima
xiaobobianhuanyuyingyong
- 某一直升机齿轮箱上的早期损伤的特征是,在伴随振动信号上产生一个可变周期的非平稳扰动信号。要求按此特征构造一组有物理意义的数据仿真早期故障信号,应用小波变换技术分析故障的特征和发生时刻。-a helicopter gearbox early on the characteristics of the injury, In addition to the vibration signal produced a variable cycle
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- 非平稳信号的小波分析与拟合问题研究,一篇博士论文,-Non-stationary signal analysis and fitting of wavelet research, a doctoral dissertation,
matlab
- matlab非平稳信号噪声消除 小波变换与傅里叶变换对比-matlab noise elimination of non-stationary signal Wavelet Transform and Fourier Transform Comparison
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- matlab非平稳信号噪声消除 小波变换-matlab denoise use wavelets
Three-non-stationary-time-frequency-signal
- 三种非平稳信号时频分析的方法 窗口傅里叶变换、wigner分布和小波变换-Three non-stationary time-frequency analysis window Fourier transform, wigner distribution and wavelet transform
Waveletsignal
- 阐述了小波变换去除信号噪声的基本原理和方法,研究利用小波变换技术对信号噪声进行抑制和去除非平稳信号的噪声。然后利用MATLAB软件编制程序实现了基于小波变换的正弦信号的去噪仿真分析,仿真结果表明小波变换去除噪声具有很强的实用性。-MATLAB Wavelet-based signal
main
- 一种数小波字水印算法,利用平稳小波变换进行图象处理-A Wavelet Watermarking Algorithm
test
- 多尺度积去噪工具,基于平稳小波多尺度分解-Multi-scale plot denoising tool, based on stationary wavelet multi-scale decomposition
lFusion
- 小波变换是在傅立叶变换的基础上发展起来的,它优于傅立叶分析的地方是它在空域和时域都是局部化的,其局部化格式随频率自动变换,在高频处取窄的时(空)间窗,在低频处取宽的时(空)窗,适合处理非平稳信号,在图像处理、模式识别、机器人视觉、量子力学等领域得到广泛应用。-Wavelet transform is a Fourier transform developed on the basis, it is better than Fourier
wavelet
- matlab下的小波消噪源程序,能较好的对非平稳信号进行滤波消噪-matlab source code under the wavelet denoising can be better to filter the non-stationary signal denoising
Stransform
- 对非平稳信号进行时频分析,分析结果比小波变换结果要好-Non-stationary signal in time-frequency analysis and the results are better than the wavelet transform results
Stationary-wavelet-transform
- 平稳小波变换的matlab程序 还包括去噪 什么的应用-Stationary wavelet transform denoising matlab program also includes the application of what
swtimfuse
- 利用离散平稳小波对两幅不同的图像进行融合。-The use of two different discrete stationary wavelet image fusion.
xiaobo
- 用于非平稳信号的处理,可以对信号进行小波分析。(For non-stationary signal processing, wavelet analysis can be carried out on the signal)
3971002xiaobo
- 小波变换分析,含有小波源程序和仿真主程序,适用于非平稳冲击振动信号的时频特性分析。(The wavelet transform analysis, which contains the small wave source program and the simulation main program, is suitable for the analysis of the time-frequency characteristic of
故障诊断与容错控制课程设计报告
- 针对滚动轴承这种非平稳振动信号采用的小波包分解的方法来检测故障的存在,运用神经网络来实现故障的分类,还结合D-S理论融合了多个传感器的诊断结果,提高了故障诊断的准确性并通过实验仿真证实。(This course's job is to use the wavelet packet decomposition method for non-stationary vibration signals of rolling bearings t
12065481SWT
- 平稳小波变换的代码,十分好用,强烈推荐,强烈推荐(Stationary wavelet transform code, very easy to use, strongly recommended, strongly recommended)
心电信号检测与分类算法的研究
- (1)心电信号预处理 心电信号是一种低频且含有众多噪声干扰的信号。针对心电信号存在的 噪声干扰问题,本文采用了平稳小波变换结合双变量阈值的方法对其进行去 噪处理。通过对心电信号进行八层平稳小波变换,得到不同的小波系数,采 用双变量阈值函数表达式对其进行处理得到新的小波系数,最后进行逆平稳 小波变换实现小波重构,完成心电信号去噪。Matlab 仿真结果显示,本文算 法的准确率较高,信噪比达到 84.5934dB。 (2)心电信号