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Denoising
本文介绍了局部放电信号的消噪方法,主要基于改进的小波消噪和序列脉冲分析手段来实现。(This paper presents a de-noising method for partial discharge (PD) online monitoring of transformers. The method is based on an improved
wavelet de-noising approach and a pulse-sequence analysis method.)
- 2012-03-16 11:07:59下载
- 积分:1
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denoise_self
基于matlab程序对声音信号进行去噪处理,通过小波包处理及小波分析结合(Matlab program based on the sound signal denoising by wavelet packet processing and wavelet analysis combined)
- 2013-05-24 13:35:00下载
- 积分:1
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xiaobobianhuanjiancehuibo
本程序是在labview中利用小波变换理论检测回波(This procedure is in the use of wavelet transform theory labview echo detection)
- 2011-09-04 11:12:47下载
- 积分:1
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wavelet
利用小波分析原理对某信号进行分解与重构,并可提取指定层数上的高、低频信号。(A signal is decomposed and reconstructed by using wavelet analysis principle, and high and low frequency signals can be extracted from the specified number of layers.)
- 2018-06-09 20:37:34下载
- 积分:1
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tuxiangshuyan
说明: 基于dct系数的数字水印算法实现,在matlab环境中实现(coefficient based on digital watermarking algorithm in Matlab environment to achieve)
- 2006-05-07 16:41:59下载
- 积分:1
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小波分解在图像处理 Wavelets
小波分解在图像处理和电能质量分析中应用广泛,本文应用小波分解的方法将高频的暂态信号提取出来,获取暂态信号的特征量,就能够有效地计算暂态信号。(Wavelet decomposition in image processing and power quality analysis is widely used, this application of wavelet decomposition method to extract high-frequency transient signals, to obtain the amount of transient characteristics of the signal, we can effectively calculate the transient signal.)
- 2011-06-20 21:11:45下载
- 积分:1
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wrcoef-upcoef
一维小波单支重构函数,一维小波系数直接重构函数(Single one-dimensional reconstruction of wavelet functions, the direct reconstruction of one-dimensional wavelet function)
- 2011-08-31 10:29:19下载
- 积分:1
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liftbd53
db53小波的verilog硬件实现源码(Wavelet db53 Verilog hardware source)
- 2008-06-26 10:42:23下载
- 积分:1
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DWT_1D
离散小波变换是指在特定子集上采取缩放和平移的小波变换,是一种兼具时域和频域多分辨率能力的信号分析工具。此变换运用可以缩放平移的小波代替固定的窗进行计算分析,主要应用于信号编码和数据压缩。(Discrete wavelet transform refers to the specific subset take scaling and translation on the wavelet transform, is a kind of multi-resolution ability both time domain and frequency domain signal analysis tool. This transformation can use zoom translational wavelet calculation and analysis instead of the fixed window, mainly used in signal coding and data compression.
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- 2013-11-10 22:12:48下载
- 积分:1
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小波边缘检测
基于小波变换模极大的多尺度图像边缘检测matlab源代码(based on wavelet transform modulus maxima of multiscale edge detection Matlab source code)
- 2020-06-26 08:00:02下载
- 积分:1