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SAR
在实数域 ,对称、 正交的紧支集非平凡单小波基不存在 ,而多小波把紧支集,对称性、 正交性完美地结合在一起 ,使小波理论从标量扩展到矢量范畴。利用上述特点将多小波变换应用于 SAR 图像压缩。(In the real fields, symmetric, orthogonal set of nontrivial compactly supported wavelet basis does not exist alone, but more than the compact support wavelet, symmetry, orthogonality perfect combination, So wavelets theory extended Dao vector from scalar context. Use of these features will be more than SAR image compression wavelet transform.)
- 2010-08-13 16:13:02下载
- 积分:1
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abr_filter
自己编写的αβγ滤波器工具函数,能够实现其滤波和平滑功能(Αβγ filter tool to write your own functions to achieve its filtering and smoothing function)
- 2012-10-09 15:16:45下载
- 积分:1
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连续小波变换 cwt
实现连续小波变换,对信号进行频谱分析。精度很高(continuous wavelet transform)
- 2015-10-16 21:58:51下载
- 积分:1
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ab1aa8fbd6fc
一篇关于小波变换和希尔伯特变换的文章,处理的是无功功率。小波变换代码和希尔伯特变化代码(A Wavelet transform and Hilbert transform article, dealing with reactive power.Wavelet transform and Hilbert transform code)
- 2012-04-15 12:50:09下载
- 积分:1
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LSB8
将图像按位平面分解,然后在最低有效为嵌入一定的信息,达到数字隐藏的作用,是最原始的数字水印技术(image caput plane decomposition, and then embedded in the lowest effective for certain information, to hide the figures, is the most primitive digital watermarking technology)
- 2006-06-06 09:51:04下载
- 积分:1
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wavlet
图像小波变换,可以求图像小波分解系数图,阶数可以自己设定(tuxiangxiaobobianhuan)
- 2010-05-30 22:19:25下载
- 积分:1
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ECG
说明: 心电信号的处理,包括低通滤波器滤除肌电信号,带陷滤波器抑制工频干扰,以及IIR零相移数字滤波器纠正基线漂移。(ECG signal processing includes low-pass filter to filter EMG signal, band notch filter to suppress power frequency interference, and IIR zero phase shift digital filter to correct baseline drift.)
- 2020-09-02 23:01:31下载
- 积分:1
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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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lift53
说明: 53小波提升的编解码代码,可用于图像的53小波变换(53)
- 2021-04-17 17:18:52下载
- 积分:1
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cyclostationary_toolbox
循环平稳信号是一类特殊的非平稳信号,其统计特征具有随时间呈周期变化的特点。旋转机械由于周期运行方式其振动信号具有循环平稳特性,因此利用循环平稳分析方法能够提取出在平稳假设下所不能得到的隐藏故障特征信息,为有效地分离和识别旋转机械早期微弱故障特征提供可能。(The cyclostationary signal is a special type of non-stationary signal whose statistical characteristics have a periodic variation with time. Due to the cyclical operation of the rotating machinery, the vibration signal has the characteristics of cyclostationary stability. Therefore, the cyclostationary analysis method can extract the hidden fault feature information that can not be obtained under the stationary assumption, which provides the possibility to effectively separate and identify the early weak fault features of the rotating machinery.)
- 2018-08-06 16:36:21下载
- 积分:1