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hilbert
- 希尔伯特变换的学习文档，学习通信原理、数字信号处理的好资料-Hilbert transform of the study documentation, learning communication theory, digital signal processing good data
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- 阐述Hilbert变换的定义及解调原理。工程应用的结果表明, 利用Hilbert技术从复杂的 振动信号中解调故障的调制信息, 进而判断出故障齿轮的部位, 是一种可靠的故障诊断方法-On the definition of the Hilbert transform demodulation principle. The engineering application results show that the Hilbert technical failure of modulation i
fractional-hilbert-transform
- 关于分数阶希尔伯特变换的资料 Discrete Fractional Hilbert Transform Fractional Hilbert Transform（Adolf W. Lohmann）-DiscreteFractionalHilbertTransform FractionalHilbertTransform (Adolf W. Lohmann)
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- 本文研究了齿轮振动信号调制与解调的过程与机理。并根据希尔伯特变换理论,提出了一种早期诊断齿轮故障的新方法-In this paper, a gear vibration signal modulation and demodulation process and mechanism. Hilbert transform theory, proposed an early diagnosis of gear failure method
Hilbert335
- 测量6205深沟球轴承的故障振动加速度信号, 对信号进行时频分析, 利用经验模态分解方法将振动信号分解成不同特征时间尺度的固有模态函数,对每个固有模态函数进行Hilbert 变换得到Hilbert 谱,通过谱分析识别轴承的故障部位和类型, 证实Hilbert 谱的有效性-Measuring 6205 deep groove ball bearing fault vibration acceleration signal, the signal frequency analysis, empiri
zuizhong1
- HHT算法实现emd分解，及希尔伯特黄变换，实现瞬时频率瞬时幅值，边际谱的提取。-The HHT algorithm emd decomposition and Hilbert-Huang transform to achieve the instantaneous amplitude of the instantaneous frequency marginal spectrum extraction.
1-s2.0-S0030402613001447-main
- The wavelet transform divides image into different but interrelated multi-resolution and multi-level sub-bands, so quantization coding strategy of image wavelet coefficient has great flexibility. To address to energy aggregation and correlated fe
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- 基于HHT变换的电机故障诊断研究_周粉利 硕士研究生论文。。希尔伯特黄变换应用-Motor fault diagnosis based on research on HHT _ Zhou Li powder graduate thesis. . Hilbert-Huang Transform
Study-on-compound-fault-diagnosis
- 针对滚动轴承复合故障信号特征难以分离的问题， 提出将双树复小波变换和独立分量分析( ICA) 结合的故障诊断方 法 该方法首先将非平稳的故障信号通过双树复小波变换分解为若干不同频带的分量 由于各个分量存在一定的频率混叠， 对 故障信号特征提取有很大的干扰， 进而引入 ICA 对各个分量所组成的混合信号进行盲源分离， 从而尽可能消除频率混叠 最后 对从混合信号中分离出来的独立分量信号进行希尔伯特包络解调， 即可实现对复合故障特征信息的分离和故障识别-Aiming at the diff
6-Instantaneous-Frequency
- 分解后的一些希尔伯特黄变换，边际谱，瞬时能量，瞬时频率。。。很好的，值得一看-Some decomposed Hilbert-Huang transform, marginal spectrum, instantaneous energy, instantaneous frequency. . . Good, worth a visit. .