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Stress Classification Using Photoplethysmogram-Based Spatial and Frequency Domain Images
Published 2020“…In this paper, a new binary classification (called stressed and non-stressed) approach is proposed for a subject’s stress state in which the inter-beat intervals extracted from a photoplethysomogram (PPG) were transferred to spatial images and then to frequency domain images according to the number of consecutive. …”
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Optical solitons and qualitative analysis of nonlinear Schrodinger equation in the presence of self steepening and self frequency shift
Published 2022“…<p>In this manuscript, the optical solitons of nonlinear Schrödinger equation (NLSE) with cubic–quintic law nonlinearity, in the presence of self-frequency shift and self-steepening, has been studied. …”
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Zooming Into Precision: The Zoom TFD for High-Resolution Analysis of Non-Stationary Signals
Published 2025“…<p dir="ltr">This paper introduces Zoom TFD, a time-frequency decomposition (TFD) method designed for the high-resolution analysis of non-stationary signals, achieving optimal energy concentration, high time-frequency resolution, and inherent cross-term suppression. …”
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A Numerical Scheme for the Propagation of Internal Waves in an Oceanographic Model
Published 2017Get full text
Get full text
Get full text
Get full text
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Hydration Assessment Using the Bio-Impedance Analysis Method
Published 2022“…<div><p>Body hydration is considered one of the most important physiological parameters to measure and one of the most challenging. Current methods to assess hydration are invasive and require costly clinical settings. …”
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New solitary wave and computational solitons for Kundu–Eckhaus equation
Published 2022“…The parameters employed in this approach are chirp, temporal position, phase, amplitude, frequency and width, namely, collective variables. …”
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Urban Transportation Networks Resilience: Indicators, Disturbances, and Assessment Methods
Published 2022“…<p dir="ltr">Due to a surge in the frequency and intensity of disruptive events, such as natural disasters, the Covid-19 pandemic, and intentional attacks, the concept of resilience has attracted increased attention in recent years. …”
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Formation of quasi-static stop band in a new one-dimensional metamaterial
Published 2022“…<p>The main objective of this paper is to propose a new metamaterial capable of generating a quasi-static stop band from zero frequency. …”
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Unmasking the Fake: Machine Learning Approach for Deepfake Voice Detection
Published 2024“…By extracting Mel-Frequency Cepstral Coefficients (MFCC) from audio samples which serve as the foundational features for identifying genuine and fake voices. …”
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A novel formulation for the weak quadrature element method for solving vibration of strain gradient graded nonlinear nanobeams
Published 2022“…The proposed formulation develops matrices based on the differential quadrature method which employs Lagrange-based polynomials. These matrices can be modified to accommodate any number of extra derivative degrees of freedom including third-order beams and higher-order strain gradient beams without requiring an entirely new formulation. …”
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Investigating the effects of in-track countermeasures to reduce ground-borne vibration from underground railways
Published 2024“…Furthermore, the use of local resonators can reduce the ground-borne vibration by 4–10 dB for frequencies in the range 20–200 Hz.</p><h2>Other Information</h2><p dir="ltr">Published in: Journal of Low Frequency Noise, Vibration and Active Control<br>License: <a href="https://creativecommons.org/licenses/by/4.0/" target="_blank">https://creativecommons.org/licenses/by/4.0/</a><br>See article on publisher's website: <a href="https://dx.doi.org/10.1177/14613484241244625" target="_blank">https://dx.doi.org/10.1177/14613484241244625</a></p>…”
