time-frequency-based approach
Time-Frequency Signal Processing for Automated Infant Cry Classification
... (t-f) based signal processing approach using Quadratic time-frequency distributions (QTFDs) namely Spectrogram (SPEC), Wigner-Ville distribution (WVD), Smoothed-Wigner Ville distribution ...
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A novel animal model for residence time evaluation of injectable hyaluronic acid-based fillers using high-frequency ultrasound-based approach
... residence time of HA-based fillers in preclinical ...properties, based on cross-linking and ...residence time after subcutaneous injection when compared to linear HA, but the concentration of ...
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Joint time frequency domain cyclostationarity based approach to blind estimation of OFDM transmission parameters
... orthogonal frequency division multiplexing (OFDM) has been widely employed in many wireless communication systems, owing to the advantages of high spectral efficiency and robustness against channel ...
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A Sparsity-Based Approach to 3D Binaural Sound Synthesis Using Time-Frequency Array Processing
... For our real-time prototype we used a PC running Microsoft Windows XP as a base. To construct the micro- phone array prototype with d = 1.5 cm, four instrumenta- tion quality microphones from Br¨uel & Kjaer ...
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Multivariate Empirical Mode Decomposition for Quantifying Multivariate Phase Synchronization
... multiple time series. EMD is a fully adaptive, data-driven approach that decomposes a signal into oscillations inherent to the data, referred to as intrinsic mode functions ...each time series were ...
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A general theory on frequency and time–frequency analysis of irregularly sampled time series based on projection methods – Part 2: Extension to time–frequency analysis
... are based on a similar model, which is a lo- cally periodic component in the time–frequency plane, plus a polynomial trend, plus a stationary Gaussian continuous autoregressive-moving-average (CARMA) ...
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Sparse Time-Frequency Data Analysis: A Multi-Scale Approach
... the time coordinate, t , and the phase coordinate, θ . The time derivative of this phase function is called the Instantaneous Frequency ...and Frequency Modulation ...Optimization based ...
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A combined time and frequency domain approach for acoustic resonance prediction
... a time-domain CFD code could be used to predict acoustic ...is based on a combina- tion of the well-known MIMO vibration testing procedure and acoustic exci- tation using ...a time-domain CFD ...
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Export Led Growth or Growth Led Export Hypothesis in India: Evidence Based on Time-Frequency Approach
... the time series into different time scales can be useful to study relationships in the short run, medium run and long ...different time scales using the methodology of wavelets for ...results ...
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Research and Comparison of Time-frequency Techniques for Nonstationary Signals
... and time-varying. The Fourier transform as a traditional approach can only provide the feature information in frequency ...The time-frequency techniques may give a comprehensive ...
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Time-Frequency Data Reduction for Event Related Potentials: Combining Principal Component Analysis and Matching Pursuit
... Joint time-frequency representations offer a rich representation of event related potentials (ERPs) that cannot be obtained through individual time or frequency domain ...of ...
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Spatial time frequency distribution of cross term based direction of arrival estimation for weak non stationary signal
... instantaneous frequency areas and the cross terms as oscillatory magnitudes along the geometrical middle point of auto- terms ...bilinear time-frequency transform- ...the time-frequency ...
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Fast Nonlinear SSI Analysis Using A Hybrid Time-Complex Frequency Domain Approach
... Figure 12 also compares the computed inelastic absorption factors with the values provided the by ASCE 43-05 standard (horizontal green dotted line) for the low-rise shearwall buildings for the limit state C (reduced ...
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A Time Frequency Approach for Discrimination of Heart Murmurs
... 1. Based on the mean values of parameters, a representative atom was created for each cluster and by synthesizing these atoms a prototypical beat was con- structed (Figure ...
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Testing the Conventional and Islamic Financial Market Contagion: Evidence from Wavelet Analysis
... findings based on the time-frequency decomposition of wavelet approach are as follows: i) The wavelet correlation analysis indicates that, there is no clear evidence of contagion at any ...
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Time frequency analysis of electrical brain responses to nociceptive stimulation
... the frequency instead, we can acquire an optimal compromise for time-frequency resolution at every frequency of the ...method, based on Morlet wavelets, is the preferred approach ...
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Time-frequency analysis based on wavelets for Hamiltonian systems
... instantaneous frequency from signals featuring oscilla- tory ...multiple frequency components can be treated in a practical way since the formal definition of instan- taneous frequency does not ...in ...
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Time-Frequency and Time-Scale-Based Fragile Watermarking Methods for Image Authentication
... In this section we demonstrate the performance of the wavelet-based watermarking method through two appli- cations. In the first application we study the content integrity verification with localization ...
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A New Position Location System Using DTV Transmitter Identification Watermark Signals
... (GPS) based on a constellation of about 24 satellites orbiting the earth at alti- tudes of approximately 11,000 miles ...Agency based on a 30-satellite constellation, to provide positioning and timing ...
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Frequency Based Real-time Pricing for Residential Prosumers.
... long time mentor through our work on the Green Energy Hub ...extra time to engage in spontaneous research discussions and explain power systems concepts as well as recommend valuable ...and time to ...
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