Results 151 to 160 of about 752 (176)

Chaotic cosine and logistic map based robust image encryption with dual-stage confusion-diffusion architecture. [PDF]

Sci Rep
Amutha R, Phamila AV.
europepmc   +1 more source

Numerical backup protection scheme based on alienation indices of voltage and current measurements practically applied to synchronous generators. [PDF]

Sci Rep
Mahmoud RA, Salama MAE.
europepmc   +1 more source

A review of epilepsy detection and prediction methods based on EEG signal processing and deep learning. [PDF]

Front Neurosci
Zhang X, Zhang X, Huang Q, Chen F.
europepmc   +1 more source

CAF–FrFT: A center-affine-filter with fractional Fourier transform to reduce the cross-terms of Wigner distribution [PDF]

Signal Processing, 2014
As a popular time-frequency representation, the Wigner distribution (WD) enjoys its excellent property of highly concentrated auto-terms, but suffers from cross-term problem. To reduce the cross-terms, we propose a method to apply a center-affine-filter (CAF) to the rotated version of the WD obtaining from the fractional Fourier transform (FrFT).
Liying Zheng, Daming Shi
exaly   +3 more sources

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Performance evaluation of fractional Fourier transform(FrFT) for time-frequency analysis of ultrasonic signals in NDE applications

2010 IEEE International Ultrasonics Symposium, 2010
Recently, there has been a growing attention on fractional Fourier transform (FrFT) for time-frequency analysis. In this investigation, an FrFT-based signal decomposition algorithm is utilized to decompose ultrasonic signals into a linear combination of signal components. As a transformation tool, FrFT is employed to estimate an optimal transform order,
Alireza Kasaeifard, Erdal Oruklu, Jafar Saniie   +2 more
exaly   +2 more sources

Graph Fractional Fourier Transform: A Unified Theory [PDF]

IEEE Transactions on Signal Processing
The fractional Fourier transform (FRFT) parametrically generalizes the Fourier transform (FT) by a transform order, representing signals in intermediate time-frequency domains.
Aykut Koc, Tuna Alikasifoglu, Bunyamin Kartal   +2 more
exaly   +2 more sources

A new chirp scaling algorithm based on the fractional Fourier transform [PDF]

IEEE Signal Processing Letters, 2005
The fractional Fourier transform (FrFT), which is a generalized form of the well-known Fourier transform, has only recently started to appear in the field of signal processing.
Amein, A., Soraghan, J.J.
exaly   +2 more sources

Enhanced the Fast Fractional Fourier Transform (FRFT) scheme using the closed Newton-Cotes rules.

CoRR, 2023
openaire   +1 more source

Fractional Fourier Transform (FRFT) based Detection and Classification of Power Quality Disturbances

2017
openaire   +1 more source