SMUL-FFT: A Streaming Multiplierless Fast Fourier Transform [PDF]
IEEE Transactions on Circuits and Systems II: Express Briefs, 2021 IEEE Transactions on Circuits and Systems II. Express Briefs, 68 (5)
Christoph Studer +2 more
exaly +3 more sources
A reverse of the Cauchy-Bunyakovsky-Schwarz integral inequality for complex-valued functions and applications for Fourier transform [PDF]
, 2004 A reverse of the Cauchy-Bunyakovsky-Schwarz integral inequality for complex-valued functions and applications for the finite Fourier transform are ...
Hanna, George T +5 more
core +8 more sources
Arbitrary Sampling Fourier Transform and Its Applications in Magnetic Field Forward Modeling
Applied Sciences, 2022 Numerical simulation and inversion imaging are essential in geophysics exploration. Fourier transform plays a vital role in geophysical numerical simulation and inversion imaging, especially in solving partial differential equations.
Shikun Dai +4 more
doaj +1 more source
Implementing EW Receivers Based on Large Point Reconfigured FFT on FPGA Platforms [PDF]
International Journal of Computational Intelligence Systems, 2011 This paper presents design and implementation of digital receiver based on large point fast Fourier transform (FFT) suitable for electronic warfare (EW) applications.
He Chen +3 more
doaj +1 more source
Fast-responding measurements of power system harmonics using discrete and fast fourier transforms with low spectral leakage [PDF]
, 2011 Conventional wisdom dictates that a Fast Fourier Transform (FFT) will be a more computationally effective method for measuring multiple harmonics than a Discrete Fourier Transform (DFT) approach.
Burt, Graeme M. +3 more
core +4 more sources
Shock and Vibration, 2020 It is crucial to carry out the fault diagnosis of rotating machinery by extracting the features that contain fault information. Many previous works using a deep convolutional neural network (CNN) have achieved excellent performance in finding fault ...
Chao Fu, Qing Lv, Hsiung-Cheng Lin
doaj +1 more source
Comparisons of the execution times and memory requirements for high-speed discrete fourier transforms and fast fourier transforms, for the measurement of AC power harmonics [PDF]
, 2011 Conventional wisdom dictates that a Fast Fourier Transform (FFT) will be a more computationally effective method for measuring multiple harmonics than a Discrete Fourier Transform (DFT) approach.
Burt, G. M., Roscoe, A. J.
core +4 more sources
SPECTRAL ESTIMATION OF TIME SERIES
Современная наука и инновации, 2022 As a result of spectral analysis, namely, the fast Fourier transform (FFT) method, the wavelet transform method, the Hilbert-Huang transform method, certain periods of the time series representing the monthly average values of the sunspot numbers were ...
L. N. Dzhimbeeva +5 more
doaj +1 more source
Performance Analysis of Framelet Based OFDM System Under Different Channel Conditions [PDF]
Engineering and Technology Journal, 2012 In this paper, the Framelet Transform (FT) is proposed as a new modulation technique in the realization of Orthogonal Frequency Division Multiplexing (OFDM).
Atheer A. Sabri, Ziad Q. Abdulkareem
doaj +1 more source
PAPR reduction of OFDM systems using H-SLM method with a multiplierless IFFT/FFT technique
ETRI Journal, 2022 This study proposes a novel low-complexity algorithm for computing inverse fast Fourier transform (IFFT)/fast Fourier transform (FFT) operations in binary phase shift keying-modulated orthogonal frequency division multiplexing (OFDM) communication ...
Namitha A. Sivadas
doaj +1 more source