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Huang Transform

Transmission Lines Distance Protection Using Differential Equation Algorithm and Hilbert Huang Transform

Transmission Lines Distance Protection Using Differential Equation Algorithm and Hilbert Huang Transform

... This paper proposed the scheme of transmission lines distance protection based on differential equation algorithms (DEA) and Hilbert-Huang transform (HHT). The measured impedance based on EDA is affected by ...

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Calculate excess mortality during heatwaves using Hilbert-Huang transform algorithm

Calculate excess mortality during heatwaves using Hilbert-Huang transform algorithm

... Hilbert-Huang Transform (HHT) algorithm is a novel method originally developed for analysing the non-linear and non-stationary time series data in the field of signal processing, however, it has not been ...

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Cognitive Radio Sensing Using Hilbert Huang Transform

Cognitive Radio Sensing Using Hilbert Huang Transform

... In this paper transmitter detection method is used. So- me authors used wideband spectrum joint detection for the presence of a primary user [4]. Some have used spa- tial diversity to find the presence of a primary user ...

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Efficacy of Hilbert Huang Transform (HHT) in the Analysis of Instantaneous Low Frequency Waves of Magnetosheath

Efficacy of Hilbert Huang Transform (HHT) in the Analysis of Instantaneous Low Frequency Waves of Magnetosheath

... Hilbert-Huang transform (HHT) and wavelet transform can on analysis give information on Energy, time and frequency while Fourier transform can only give information on Energy and ...wavelet ...

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Specific Emitter Identification via Feature Extraction in Hilbert-Huang Transform Domain

Specific Emitter Identification via Feature Extraction in Hilbert-Huang Transform Domain

... bispectrum and its variants [9–11] have demonstrated the effectiveness for the given conditions. Recently, Hilbert-Huang transform (HHT) has proven the superiority in the unique representation and ...

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Detection of the third and fourth heart sounds using Hilbert-Huang transform

Detection of the third and fourth heart sounds using Hilbert-Huang transform

... Fourier Transform, Wigner-Ville Distribution, and Wavelet transform, have some limitations ...Fourier Transform is the resolution trade-off between time and frequency ...wavelet transform has ...

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Assessment of vocal cord nodules: A case study in speech processing by using Hilbert-Huang Transform

Assessment of vocal cord nodules: A case study in speech processing by using Hilbert-Huang Transform

... In this study, four voice recordings, originated by an unique patient before and after surgical remove of vocal cord nodules, have been analysed by applying a technique of signal processing - the Hilbert-Huang ...

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Analysis of Heart Beat Signals using Hilbert and Hilbert-Huang Transform

Analysis of Heart Beat Signals using Hilbert and Hilbert-Huang Transform

... Now, the Hilbert-Huang Transform is applied to the Heart Sound data. Through this analysis we intend to find the effects of Postural and situation changes on the Heart Sound data of the subject. Therefore ...

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Ship Power Quality Detection based on Improved Hilbert-Huang Transform

Ship Power Quality Detection based on Improved Hilbert-Huang Transform

... by Huang, in 1998 [11], which consists of two parts: empirical mode decomposition (EMD) and Hilbert spectral ...Fourier transform and wavelet analysis, HHT does not rely on a pre-defined set of basis ...

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Hilbert–Huang transform analysis of periodicities in the last two solar activity cycles

Hilbert–Huang transform analysis of periodicities in the last two solar activity cycles

... We investigated periodicities associated with the last two-and-a-half solar activity cycles with the novel Hilbert-Huang Transform (HHT) method. Raw data signals of five di ff erent obser- vational proxies: ...

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Application of Hilbert-Huang Transform and SVM to Coal Gangue Interface Detection

Application of Hilbert-Huang Transform and SVM to Coal Gangue Interface Detection

... In this paper, Hilbert-Huang transform is applied to feature extraction for vibration signal of coal and gangue. These features are served as inputs of SVM classifier to detect CGID. The paper is organized ...

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Intelligent Recognition for Microbiologically Influenced Corrosion Based On Hilbert-huang Transform and BP Neural Network

Intelligent Recognition for Microbiologically Influenced Corrosion Based On Hilbert-huang Transform and BP Neural Network

... Hilbert-huang Transform and BP Neural Network on intelligent recognition method for microbiologically influenced corrosion was ...Hilbert-huang Transform for feature extraction can ...

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Spasticity assessment based on the Hilbert–Huang transform marginal spectrum entropy and the root mean square of surface electromyography signals: a preliminary study

Spasticity assessment based on the Hilbert–Huang transform marginal spectrum entropy and the root mean square of surface electromyography signals: a preliminary study

... Hilbert–Huang transform; HMSEN: Hilbert–Huang transform marginal spectrum entropy; RMS: root mean square; SRO: stretch reflex onset; RMSD: RMS difference; MAS: Modified Ashworth Scale; OLR: ...

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Ultrasonic Imaging of Concrete by Synthetic Aperture Focusing Technique Based on Hilbert Huang Transform of Time Domain Data

Ultrasonic Imaging of Concrete by Synthetic Aperture Focusing Technique Based on Hilbert Huang Transform of Time Domain Data

... Hilbert-Huang Transform based on Ensemble Empiri- cal Mode Decomposition was used as a signal processing tool for interpreting and analyzing the ultrasonic waveforms obtained from a concrete specimen with ...

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Mode Recognition of Lamb Wave Detecting Signals in Metal Plate Using the Hilbert Huang Transform Method

Mode Recognition of Lamb Wave Detecting Signals in Metal Plate Using the Hilbert Huang Transform Method

... The dispersion and multiple modes characteristics which exist in the propagation of Lamb waves (LW) in metal plates make it extremely hard to analyze and recognize the detection echo signals of defects. As a newly ...

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Segmentation of Killer Whale Vocalizations Using the Hilbert-Huang Transform

Segmentation of Killer Whale Vocalizations Using the Hilbert-Huang Transform

... After achieving promising results obtained on sperm whale clicks (transient signals), our objective is to evaluate the Hilbert-Huang transform on harmonic killer whale vocal- izations. To this end, we ...

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Seizure classification in EEG signals utilizing Hilbert-Huang transform

Seizure classification in EEG signals utilizing Hilbert-Huang transform

... Hilbert-Huang Transform overcome the disadvan- tages induced by the wavelet ...Hilbert Transform to the extracted modes, is having high accuracy in this ...

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Multimodal Pressure-Flow Analysis: Application of Hilbert Huang Transform in Cerebral Blood Flow Regulation

Multimodal Pressure-Flow Analysis: Application of Hilbert Huang Transform in Cerebral Blood Flow Regulation

... in TFA results in the frequency range 0.01–0.07 Hz (in which CA was traditionally believed to affect pressure and flow relationship). The frequency of dominant oscillations in blood pressure and flow extracted by MMPF was ...

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Improved image stabilization method based on the hilbert huang transform

Improved image stabilization method based on the hilbert huang transform

... on, second one is jitter motion determination, and the third one image warping. Local Motion (LMVs) are considered within smaller frame regions during the process of motion estimation. Essentially, LMVs signify the ...

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FPGA Implementation of HHT for Feature Extraction of Signals

FPGA Implementation of HHT for Feature Extraction of Signals

... For data analysis of signals traditionally it is expected that signal is linear and stationary. But all natural and real information has nonlinearity and time dependency. Recently some new methods like wavelet analysis ...

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