Keywords: تبدیل سریع فوریه (FFT); Equivalent frequency; Fast Fourier Transform (FFT); Pavement quasi-static analysis; Dynamic modulus; Artificial Neural Network (ANN);
مقالات ISI تبدیل سریع فوریه (FFT) (ترجمه نشده)
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Keywords: تبدیل سریع فوریه (FFT); Synchronous generator; Line-to-line short circuit; 2D field-circuit model; Fast Fourier transform (FFT); Least-squares method; Gradient algorithm;
Keywords: تبدیل سریع فوریه (FFT); Eigenstrain; Joined half-spaces; Coupled imperfect interfaces; Jumping coefficients; Fast Fourier transform (FFT);
Keywords: تبدیل سریع فوریه (FFT); Multi-channel total curvature (MTC); L1 norm; Alternating direction method of multipliers (ADMM); Fast Fourier transform (FFT); Generalized soft threshold formulas; Projection method;
Keywords: تبدیل سریع فوریه (FFT); Modal (hierarchical) spectral element; Lobatto polynomials; Chebyshev pseudo-spectral; Fast Fourier transform (FFT); Legendre triple product integral; Non-homogeneous heat equation; Non-linear integro-differential equation; Non-linear wave equation;
Keywords: تبدیل سریع فوریه (FFT); Fault diagnosis; Fast Fourier Transform (FFT); Artificial Neural Networks (ANN); Support Vector Machines (SVM); k Nearest Neighbor (kNN);
Keywords: تبدیل سریع فوریه (FFT); Ball screw; Lubrication degradation; Fast Fourier transform (FFT); support vector machine (SVM);
Keywords: تبدیل سریع فوریه (FFT); Depth of Interaction (DoI); Fast Fourier Transform (FFT); PET; SVM;
Keywords: تبدیل سریع فوریه (FFT); Variable Leaky Least Mean Square (VLLMS); Least Mean Square (LMS); Fast Fourier Transform (FFT); Kalman Filter (KF); Recursive Least Square (RLS)
Keywords: تبدیل سریع فوریه (FFT); Li-ion battery; Lithium Iron Phosphate-graphite (LFP-C); Ageing; State of Health (SOH); Fast Fourier Transform (FFT); Electrochemical Impedance Spectroscopy (EIS);
Keywords: تبدیل سریع فوریه (FFT); Micromechanics; Inclusion; Frictionlessly joined half-spaces; Fast Fourier transform (FFT);
Keywords: تبدیل سریع فوریه (FFT); A. Inclusions; Joined half-spaces; Analytical solutions; Fast Fourier transform (FFT); B. Layered material;
Keywords: تبدیل سریع فوریه (FFT); Power system frequency estimation; Fast Fourier Transform (FFT); Least Square (LS); Recursive Least Square (RLS); Kalman Filter (KF); Improved Recursive Newton Type Algorithm (IRNTA);
Keywords: تبدیل سریع فوریه (FFT); Acoustic emission; Vibration; Fast Fourier Transform (FFT); Tool wear; Surface roughness
Keywords: تبدیل سریع فوریه (FFT); Palm leaf character recognition (PLCR); 3D feature; Discrete wavelet transform (DWT); Discrete cosine transform (DCT); Fast Fourier transform (FFT)
Keywords: تبدیل سریع فوریه (FFT); Empirical wavelet transform (EWT); Fast Fourier transform (FFT); Hilbert transform (HT); Power quality (PQ);
Finite strain FFT-based non-linear solvers made simple
Keywords: تبدیل سریع فوریه (FFT); Homogenization; Micromechanics; Fast Fourier Transform (FFT); Representative Volume Element (RVE); Finite strains;
Implementation of low communication frequency 3D FFT algorithm for ultra-large-scale micromagnetics simulation
Keywords: تبدیل سریع فوریه (FFT); Micromagnetics simulation; Fast Fourier transform (FFT); Hybrid parallelization; Large-scale simulation; All-to-all communication;
Improved argument-FFT frequency offset estimation for QPSK coherent optical Systems
Keywords: تبدیل سریع فوریه (FFT); Coherent optical communication; Frequency offset estimation; Fast Fourier transform (FFT); Quaternary phase-shift keying (QPSK);
Parallel implementation of 3D FFT with volumetric decomposition schemes for efficient molecular dynamics simulations
Keywords: تبدیل سریع فوریه (FFT); Fast Fourier Transform (FFT); Volumetric decomposition; Molecular dynamics (MD) simulation; Particle mesh Ewald (PME) calculation; Midpoint cell method; Hybrid (MPI+OpenMP) parallelization;
A pipelined area-efficient and high-speed reconfigurable processor for floating-point FFT/IFFT and DCT/IDCT computations
Keywords: تبدیل سریع فوریه (FFT); Reconfigurable processor; Floating-point; Fast Fourier transform (FFT); Discrete cosine transform (DCT); Area-efficient; High-speed
Development and realization of a novel type of high-speed windowed complex FFT processor
Keywords: تبدیل سریع فوریه (FFT); Fast Fourier transform (FFT); Digital signal processing (DSP); C6701; Decimation in time (DIT)
Downward continuation of airborne geomagnetic data based on two iterative regularization methods in the frequency domain
Keywords: تبدیل سریع فوریه (FFT); Downward continuation; Regularization parameter; Iterative Tikhonov regularization method; Iterative Landweber regularization method; Fast Fourier transform (FFT); High-frequency noise; Frequency domain; Airborne geomagnetic surveying
Review articleMeasuring heart rate variability in horses to investigate the autonomic nervous system activity - Pros and cons of different methods
Keywords: تبدیل سریع فوریه (FFT); Horse; Heart rate variability (HRV); Frequency-domain analysis; Fast Fourier transform (FFT); Autoregressive modelling (AR); Autonomic nervous system;
Combining triangle Gaussian integration and modified NUFFT for evaluating two-dimensional Fourier transform integrals
Keywords: تبدیل سریع فوریه (FFT); Fast Fourier transform (FFT); Nonuniform fast Fourier transform (NUFFT); Gaussian quadrature; Discontinuous functions; Non-orthogonal grid
An area-efficient Radix 28 FFT algorithm for DVB-T2 receivers
Keywords: تبدیل سریع فوریه (FFT); Application specific integrated circuits (ASIC); Digital video broadcasting – second generation terrestrial (DVB-T2); Fast Fourier transform (FFT); Orthogonal frequency division multiplexing (OFDM); Tensor product
Pulse shape analysis of a two fold clover detector with an EMD based new algorithm: A comparison
Keywords: تبدیل سریع فوریه (FFT); Segmented germanium detector; Pulse shape analysis; Empirical mode decomposition (EMD); Fast Fourier transform (FFT);
On the finite approximation of a Gaussian process and its effect on extreme value theory
Keywords: تبدیل سریع فوریه (FFT); Extreme value; Number Fourier components; Asymptotic normal distribution; Random walk; Fast Fourier transform (FFT); Monte-Carlo;
Spatio-temporal variability in remotely sensed land surface temperature, and its relationship with physiographic variables in the Russian Altay Mountains
Keywords: تبدیل سریع فوریه (FFT); Land surface temperature (LST); Fast Fourier transform (FFT); Russian Altay Mountains; Spatio-temporal variability; Physiographic predictors
Frequency estimation for optical coherent M-QAM system without removing modulated data phase
Keywords: تبدیل سریع فوریه (FFT); Coherent detection; Fast Fourier Transform (FFT); M-ary quadrature amplitude modulation (M-QAM)
FFT implementation of Doppler dependent pre-Doppler STAP
Keywords: تبدیل سریع فوریه (FFT); Space-time adaptive processing (STAP); Fast fourier transform (FFT); Clutter suppression; Pre-Doppler
Efficient numerical solution of the generalized Dirichlet–Neumann map for linear elliptic PDEs in regular polygon domains
Keywords: تبدیل سریع فوریه (FFT); 15A06; 15A90; 15A57; 65F05; 65F10; 65N35; 15A57; 35J25Elliptic PDEs; Dirichlet–Neumann map; Global Relation; Collocation; Block circulant matrices; Fast Fourier Transform (FFT)
Simultaneous denoising and enhancement of signals by a fractal conservation law
Keywords: تبدیل سریع فوریه (FFT); Fractal operator; Fractional calculus; Fourier transform; PDEs filters; Denoising; Enhancement; Fast Fourier transform (FFT); Finite difference scheme; Savitzky–Golay filter
Analytical solution for elastic fields caused by eigenstrains in a half-space and numerical implementation based on FFT
Keywords: تبدیل سریع فوریه (FFT); Micromechanics; Inclusion; Fundamental solutions; Fast Fourier transform (FFT);
Fast analysis of electrically large electromagnetic scattering/radiation problems using the adaptive cross approximation with FFT
Keywords: تبدیل سریع فوریه (FFT); Integral equation; Adaptive cross approximation (ACA); Fast Fourier transform (FFT); Electromagnetic scattering/radiation
A novel method for analyzing images of live nerve cells
Keywords: تبدیل سریع فوریه (FFT); Image processing; Live neuron image; Morphological change; Transmission microscopy; Fast Fourier transform (FFT); Batch processing;
EEG spectral power and negative symptoms in at-risk individuals predict transition to psychosis
Keywords: تبدیل سریع فوریه (FFT); Schizophrenia; Prediction; At-risk mental state; Quantitative EEG; Negative symptoms; Fast Fourier Transform (FFT)
An accurate numerical solution study of three-dimensional natural convection in a box
Keywords: تبدیل سریع فوریه (FFT); Velocity-vorticity formulation; Fast Fourier transform (FFT); Tridiagonal matrix algorithm (TDMA); Aspect ratios;
A generalized relay identification method for time delay and non-minimum phase processes
Keywords: تبدیل سریع فوریه (FFT); Relay identification; Non-minimum phase process; Limit cycle; Fast Fourier transform (FFT); Frequency response estimation; Recursive least-squares fitting
Sine wave fitting to short records initialized with the frequency retrieved from Hanning windowed FFT spectrum
Keywords: تبدیل سریع فوریه (FFT); Four-parameter sine wave; Least square error; Fast Fourier transform (FFT); Cramér–Rao bound; Analog-to-digital converter; Hanning window
Combining the Hanning windowed interpolated FFT in both directions
Keywords: تبدیل سریع فوریه (FFT); Fast Fourier transform (FFT); Interpolated FFT; Picket-fence effect; Cramer–Rao bound; Hanning window
Eliminating the picket fence effect of the fast Fourier transform
Keywords: تبدیل سریع فوریه (FFT); 43.60.Ek; 43.60.Uv; 02.30.Nw; 02.30.PxSpectrum; Fourier transform; Fast Fourier transform (FFT); Window function; Spectral leakage
Direct GPS P-Code Acquisition Method Based on FFT
Keywords: تبدیل سریع فوریه (FFT); GPS P-code; code frequency offset; maximum correlation result; direct acquisition; fast Fourier transform (FFT);
FFT and Wavelet-Based Analysis of the Influence of Machine Vibrations on Hard Turned Surface Topographies
Keywords: تبدیل سریع فوریه (FFT); surface topography; fast Fourier transform (FFT); wavelet; hard turning; machine vibration;
Application of Fourier linear spectral analyses to the characterization of smooth muscle contractile signals
Keywords: تبدیل سریع فوریه (FFT); Frequency domain; Smooth muscle; Isometric signals; Fast Fourier transform (FFT); Discrete Fourier transform (DFT); Short-time Fourier transform (STFT)
Application of a new feature extraction and optimization method to surface defect recognition of cold rolled strips
Keywords: تبدیل سریع فوریه (FFT); cold rolled strip; surface defect; neural networks; fast Fourier transform (FFT); feature extraction and optimization; genetic algorithm; feature set;
Error-guided adaptive Fourier-based surface reconstruction
Keywords: تبدیل سریع فوریه (FFT); Surface reconstruction; Fast Fourier transform (FFT); Oriented point data; Partition of unity
Diffraction transfer function and its calculation of classic diffraction formula
Keywords: تبدیل سریع فوریه (FFT); Diffraction calculation; Transfer function of diffraction; Fast Fourier transform (FFT)
The Actifetus System: A Multidoppler Sensor System for Monitoring Fetal Movements
Keywords: تبدیل سریع فوریه (FFT); Ultrasound; Pulsed Doppler; Fetal movements; Fetal monitoring; Autocorrelation function (ACF); Fast Fourier transform (FFT);
Transform decomposition method of pruning the FHT algorithms
Keywords: تبدیل سریع فوریه (FFT); Fast Fourier transform (FFT); Fast Hartley transform (FHT); Radix-2 FFT and FHT algorithms; Transform decomposition (TD); Index mapping