Results 41 to 50 of about 2,662 (145)
Rational-Ordered Discrete Fractional Fourier Transform
, 2012 Publication in the conference proceedings of EUSIPCO, Bucharest, Romania ...
Hsue, Wen-Liang, Pei, Soo-Chang
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IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2022 Enhancement of vessel detection performance in synthetic aperture radar (SAR) images generated academic advancements related to amelioration of the algorithmic accuracy and training data procurement.
Juyoung Song +3 more
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Interpolating Between Periodicity and Discreteness Through the Fractional Fourier Transform [PDF]
IEEE Transactions on Signal Processing, 2006 Periodicity and discreteness are Fourier duals in the same sense as operators such as coordinate multiplication and differentiation, and translation and phase shift. The fractional Fourier transform allows interpolation between such operators which gradually evolve from one member of the dual pair to the other as the fractional order goes from zero to ...
Ozaktas, H. M., Sumbul, U.
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Two Versions of Dunkl Linear Canonical Wavelet Transforms and Applications
MathematicsAmong the class of generalized Fourier transformations, the linear canonical transform is of crucial importance, mainly due to its higher degrees of freedom compared to the conventional Fourier and fractional Fourier transforms.
Saifallah Ghobber, Hatem Mejjaoli
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Operator theory-based discrete fractional Fourier transform [PDF]
Signal, Image and Video Processing, 2019 The fractional Fourier transform is of importance in several areas of signal processing with many applications including optical signal processing. Deploying it in practical applications requires discrete implementations, and therefore defining a discrete fractional Fourier transform (DFRT) is of considerable interest.
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IET Image ProcessingIn open networks, the geometric deformation and common image processing are common image manipulation modes, which pose a great challenge in robust watermarking. To improve the robustness of GRHFM‐based watermarking, a watermarking algorithm based on the
Wenbing Wang, Liu Feng
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QPSK Training Sequence-Based Both OSNR and Chromatic Dispersion Monitoring in DWDM Systems
IEEE Photonics Journal, 2018 We design a quadrature phase-shift keying training sequence (QPSK-TS) for monitoring both optical signal-to-noise ratio (OSNR) and chromatic dispersion (CD) in a dense wavelength division multiplexing (DWDM) system.
Feilong Wu +5 more
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Applications of fractional lower order S transform time frequency filtering algorithm to machine fault diagnosis. [PDF]
PLoS ONE, 2017 Stockwell transform(ST) time-frequency representation(ST-TFR) is a time frequency analysis method which combines short time Fourier transform with wavelet transform, and ST time frequency filtering(ST-TFF) method which takes advantage of time-frequency ...
Junbo Long +5 more
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IEEE Access, 2020 In Digital Video Broadcasting-Handheld (DVB-H) devices for cyber-physical social systems, the Discrete Fractional Fourier Transform-Orthogonal Chirp Division Multiplexing (DFrFT-OCDM) has been suggested to enhance the performance over Orthogonal ...
Ahmad A. A. Solyman +7 more
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Intelligent Ball Bearing Fault Diagnosis Using Fractional Lorenz Chaos Extension Detection
Sensors, 2018 In this study we used a non-autonomous Chua’s circuit, and the fractional Lorenz chaos system. This was combined with the Extension theory detection method to analyze the voltage signals.
An-Hong Tian +3 more
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