Time-Resolved Electrochemical Impedance Spectroscopy of Stochastic Nanoparticle Collision: Short Time Fourier Transform versus Continuous Wavelet Transform.
Sign Up to like & getrecommendations! Published in 2023 at "Small"
DOI: 10.1002/smll.202302158
Abstract: This work demonstrates the utilization of short-time Fourier transform (STFT), and continuous wavelet transform (CWT) electrochemical impedance spectroscopy (EIS) for time-resolved analysis of stochastic collision events of platinum nanoparticles (NPs) onto gold ultramicroelectrode (UME). The… read more here.
Keywords: time; short time; transform; spectroscopy ... See more keywords
A novel real-time Fourier and inverse Fourier transforming system based on non-uniform coupled-line phaser
Sign Up to like & getrecommendations! Published in 2018 at "AEU - International Journal of Electronics and Communications"
DOI: 10.1016/j.aeue.2018.07.001
Abstract: Abstract A novel real-time Fourier and inverse Fourier transforming (RTFaIFT) system realizing both positive and inverse transformations is designed and verified, using non-uniform coupled-line phaser. Two kinds of Fourier transformations are integrated within one system… read more here.
Keywords: phaser; system; real time; time fourier ... See more keywords
A novel method for Estimating Time of Flight of ultrasonic echoes through short-time Fourier transforms.
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DOI: 10.1016/j.ultras.2020.106104
Abstract: The accurate estimation of time of flight (TOF) of an ultrasonic signal is essential in ultrasonic non-destructive testing (NDT). A novel method for TOF estimation based on the short-time Fourier transform (STFT) is proposed in… read more here.
Keywords: ultrasonic echoes; novel method; time fourier; short time ... See more keywords
Analysis of aging effect on lower limb muscle activity using short time Fourier transform and wavelet decomposition of electromyography signal
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DOI: 10.1063/5.0148044
Abstract: The ubiquity of human knee osteoarthritis (OA) has increased among the elderly people worldwide. In this paper, the intended focus has been given to evaluate the consequence of aging on the lower limb (LL) muscle… read more here.
Keywords: short time; muscle; activity; lower limb ... See more keywords
Time‐phase amplitude spectra based on a modified short‐time Fourier transform
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DOI: 10.1111/1365-2478.12528
Abstract: The short-time Fourier transform allows calculation of the amplitude and initial phase distribution of the real signal as functions of time and frequency, whereas the wavelet transform allows calculation of the amplitude and instantaneous phase… read more here.
Keywords: amplitude spectrum; phase; time fourier; time phase ... See more keywords
Dispersion’s Uncertainty Principles Associated with the Directional Short-Time Fourier Transform
Sign Up to like & getrecommendations! Published in 2020 at "Studia Scientiarum Mathematicarum Hungarica"
DOI: 10.1556/012.2020.57.4.1479
Abstract: We introduce the directional short-time Fourier transform for which we prove a new Plancherel’s formula. We also prove for this transform several uncertainty principles as Heisenberg inequalities, logarithmic uncertainty principle, Faris–Price uncertainty principles and Donoho–Stark’s… read more here.
Keywords: time fourier; uncertainty; short time; directional short ... See more keywords
Identifying Methamphetamine Abstainers With Convolutional Neural Networks and Short-Time Fourier Transform
Sign Up to like & getrecommendations! Published in 2021 at "Frontiers in Psychology"
DOI: 10.3389/fpsyg.2021.684001
Abstract: Few studies have investigated the functional patterns of methamphetamine abstainers. A better understanding of the underlying neurobiological mechanism in the brains of methamphetamine abstainers will help to explain their abnormal behaviors. Forty-two male methamphetamine abstainers,… read more here.
Keywords: time fourier; short time; time; convolutional neural ... See more keywords
Study of a New Imaging Strategy Based on Compressed Sensing to Shorten the Imaging Time of a Fourier Telescope
Sign Up to like & getrecommendations! Published in 2019 at "Journal of the Korean Physical Society"
DOI: 10.3938/jkps.74.1190
Abstract: A Fourier telescope (FT) is an imaging system based on laser illumination and optical aperture synthesis and is suitable for imaging distant targets with high resolution through the atmosphere. The imaging time of a conventional… read more here.
Keywords: shorten imaging; time fourier; time; fourier telescope ... See more keywords
Reassigned Short Time Fourier Transform and K-means Method for Diagnosis of Broken Rotor Bar Detection in VSD-fed Induction Motors
Sign Up to like & getrecommendations! Published in 2019 at "Advances in Electrical and Computer Engineering"
DOI: 10.4316/aece.2019.02008
Abstract: Over the years induction motors have established an uncanny knack for providing a plethora of utilities in the industry, where the fault monitoring and detection has become necessary. ... read more here.
Keywords: induction motors; time fourier; reassigned short; short time ... See more keywords