... the **Hilbert**-**Huang** **Transform** is applied to the Heart Sound ...the **Hilbert**-**Huang** **Transform** to find the Energy-Frequency- Time plot (**Hilbert** ...at **Hilbert** Spectrum in ...

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... entation, **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 ...

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... on **Hilbert**-**Huang** **transform** is adaptive for detecting low- amplitude and low-frequency S3 and S4, which are seen as the early symptoms of myocardial ...by **Hilbert**-**Huang** ...

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... 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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... on **Hilbert**-**Huang** **transform** is presented in this ...local **Hilbert** marginal spectrum and local energy spectrum of the first four intrinsic mode function components, we found the difference of ...

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... 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 ...

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... The **Hilbert**-**Huang** **Transform** (HHT) algorithm was introduced to analyse daily mortality time series data as HHT is probably the best available tool for analysing nonlinear and non-stationary time ...

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... Abstract—Aimed at the deﬁciency of conventional parameter-level methods in radar speciﬁc emitter identiﬁcation (SEI), which heavily rely on empirical experience and cannot adapt to the waveform change, a novel algorithm ...

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... 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 ...

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... 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 ...

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

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... converted back to electrical pulse as waveform data. In concrete UT, particularly for indirect transmission tests, the resulting waveforms are almost always characterized by several oscillations (multi-mode arrival ...

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

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... by **Hilbert**-**Huang** **Transform** overcome the disadvan- tages induced by the wavelet ...that **Hilbert**-**Huang** spectrum, which is the application of **Hilbert** **Transform** to the ...

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... 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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... The study of cetacean vocalizations is usually based on spectrogram analysis. The feature extraction is obtained from 2D methods like the edge detection algorithm. Diﬃculties appear when signal-to-noise ratios are weak ...

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... disaggregating signals into smaller portions with specific features (e.g., biomedical applications). F DIS, local motion vectors of an image sequence are measured, and they are controlled by the HHT in order to express ...

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... Fourier **transform**-based approach, however, assumed that signals are composed of superimposed sinusoidal oscil- lations of constant amplitude and period at a predetermined frequency ...

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... **Hilbert** **Huang** **transform** (HHT) is a relatively new method. It seems to be very promising for the different applications in signal processing because it could calculate instantaneous frequency and ...

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