Keywords: تبدیل کوتاه مدت فوریه; PSO; Particle Swarm Optimization; FF; Firefly; FPR; False Positive Rate; FNR; False Negative Rate; NPV; Negative Predictive Value; FDR; False Discovery Rate; MCC; Mathews correlation coefficient; SER; Speech Emotion/Stress Recognition; HCI; Human-Computer
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Keywords: تبدیل کوتاه مدت فوریه; Short-time Fourier transform; Time-frequency domain; Window size; Multi-resolution; Electrocardiogram;
Keywords: تبدیل کوتاه مدت فوریه; ART2; Feature extraction; Fault diagnosis; High speed shaft bearing; Wind turbines; AGWN; Additive Gaussian White Noise; ANN; Artificial Neural Network; ART2; Adaptive Resonance Theory 2; D; degraded state; EEMD; Ensemble Empirical Mode Decomposition; EMD
Keywords: تبدیل کوتاه مدت فوریه; Model based fault diagnosis; Deep learning; Short-time fourier transform; Convolutional neural network; UAV sensors;
Keywords: تبدیل کوتاه مدت فوریه; Spectral phase reconstruction; Tampering localization; Short-time Fourier Transform; Higher order statistics; Spectral phase correlation;
Keywords: تبدیل کوتاه مدت فوریه; Tool condition monitoring; Drilling; Chatter; Short-time Fourier transform; Spectral kurtosis;
Keywords: تبدیل کوتاه مدت فوریه; Inter-frame correlation; Multi-channel linear prediction (MCLP); Speech dereverberation; Speech enhancement; ATF; acoustic transfer function; AR; auto-regressive; CD; cepstrum distance; CGG; complex generalized Gaussian; DRR; direct to reverberant ratio;
Keywords: تبدیل کوتاه مدت فوریه; Underdetermined blind source separation; Noise suppression; Estimation of number of sources; Estimation of mixing matrix; Short-time Fourier transform;
Keywords: تبدیل کوتاه مدت فوریه; Reverberation suppression; Late reverberant spectral variance (LRSV); Room acoustics; Short-time Fourier transform (STFT); (BCI); Blind channel identification; (CD); Cepstrum distance; (DD); Decision-directed; (DRR); Direct-to-reverberant ratio; (EM); Exp
Keywords: تبدیل کوتاه مدت فوریه; Singing quality; Image recognition; Image processing; Spectrogram; Short-time Fourier transform; Linear discriminant analysis; Support vector machine;
Keywords: تبدیل کوتاه مدت فوریه; Time–frequency analysis; Short-time Fourier transform; Time–frequency reassignment; Instantaneous frequency rate and chirp rate estimation; Analysis of nonstationary signals; Analysis of acoustic emissions of engine
Keywords: تبدیل کوتاه مدت فوریه; Gear tooth crack; Gear mesh stiffness; Gear dynamic modelling; Vibration analysis; Short-time Fourier transform
Keywords: تبدیل کوتاه مدت فوریه; Stockwell transform; Orthonormal basis; Short-time Fourier transform; Wavelet transform
Keywords: تبدیل کوتاه مدت فوریه; Prosthetic cardiac valve; Mechanical valve; Short-time Fourier transform;
Keywords: تبدیل کوتاه مدت فوریه; Sampling theorem; Short-time Fourier transform; Linear canonical transform; Short-time linear canonical transform; Gabor׳s signal expansion;
Keywords: تبدیل کوتاه مدت فوریه; Oscillating heat pipe; Pulsating heat pipe; Hilbert-Huang transform; Short-time Fourier transform; Tesla valve; Signal analysis;
Keywords: تبدیل کوتاه مدت فوریه; Short-time Fourier transform; Modulation space; Sampling sets; Sampling measures
Keywords: تبدیل کوتاه مدت فوریه; Band sawing; Chatter detection; Short-Time Fourier Transform; Feature extraction; Discriminant analysis; Cross-validation;
Keywords: تبدیل کوتاه مدت فوریه; Power uprate; BWR; Steam dryers; Acoustic damper; MSL signals; Short-Time Fourier Transform
Keywords: تبدیل کوتاه مدت فوریه; Spectrum attenuation; Hydrocarbon detection; Short-Time Fourier Transform; Attenuation selection; Edge-preserving smoothing;
Keywords: تبدیل کوتاه مدت فوریه; Machine fault detection; Empirical mode decomposition; Principal component analysis; Savitzky-Golay adaptive filtering; Spectral analysis; IGT; industrial gas turbine; FDD; fault detection and diagnosis; PCA; principal component analysis; SPE; squared p
Keywords: تبدیل کوتاه مدت فوریه; Short-time Fourier transform; Ridgelet; Continuous ridgelet transform; Gabor ridge function; Directional short-time Fourier transform; Inversion formula;
Keywords: تبدیل کوتاه مدت فوریه; PPS; FM signal; Short-time Fourier transform; ML estimator; RANSAC; Instantaneous frequency
Deficit of entropy modulation of the EEG in schizophrenia associated to cognitive performance and symptoms. A replication study
Keywords: تبدیل کوتاه مدت فوریه; Shannon entropy; Schizophrenia; Midline; Median frequency; Electroencephalography; AP; antipsychotic; BACS; Brief Assessment in Cognition in Schizophrenia Scale; BZD; benzodiazepine; CPZ; chlorpromazine; EEG; electroencephalogram; ERP; event-related elect
NAFASS: Fluctuation spectroscopy and the Prony spectrum for description of multi-frequency signals in complex systems
Keywords: تبدیل کوتاه مدت فوریه; Fourier transform; Wavelet transform; Signal processing; Short-time Fourier transform; Prony decomposition; Economic data; Meat prices; AFR; amplitude-frequency response; FT; Fourier transform; STFT; short-time Fourier transform; WT; wavelet transform; IM
B-scan ultrasonic testing of rivets in multilayer structures based on short-time Fourier transform analysis
Keywords: تبدیل کوتاه مدت فوریه; Ultrasonic testing; Short-time Fourier transform; Pitting corrosion crack; Rivet; Multilayer structures; Aging aircraft;
Inferring Helitron Structures from 1D and 2D Representations Based on the Chaos Game Theory
Keywords: تبدیل کوتاه مدت فوریه; Frequency Chaos Game Signal; Complex Morlet wavelet transform; Short-time Fourier transform; Helitrons; C. elegans;
The effect of piston scratching fault on the vibration behavior of an IC engine
Keywords: تبدیل کوتاه مدت فوریه; IC engine; Vibration analysis; Piston scratching fault; Short-time Fourier transform; Continuous wavelet transform;
DOA estimation of closely-spaced and spectrally-overlapped sources using a STFT-based MUSIC algorithm
Keywords: تبدیل کوتاه مدت فوریه; DOA estimation; MUSIC; Closely-spaced sources; Spectrally-overlapped sources; Short-time Fourier transform
Rolling element bearing defect detection using the generalized synchrosqueezing transform guided by time-frequency ridge enhancement
Keywords: تبدیل کوتاه مدت فوریه; Generalized synchrosqueezing transform; Rolling element bearing; Defect detection; Time-frequency ridge; Short-time Fourier transform;
Applicable sloping range and bottom smoothing treatment for Ï-based modeling of wave propagation over rapidly varying topography
Keywords: تبدیل کوتاه مدت فوریه; Ï co-ordinate; Rapidly-varying topography; Virtual slope; Non-hydrostatic; Short-time Fourier transform; Reflection; Harmonic generation;
Pipeline leakage detection and isolation: An integrated approach of statistical and wavelet feature extraction with multi-layer perceptron neural network (MLPNN)
Keywords: تبدیل کوتاه مدت فوریه; Pipeline leakage; Fault detection and isolation (FDI) system; Multi-layer perceptron neural network (MLPNN) classifier; Wavelet transform; Statistical features; ABC; artificial bee colony; ANN; artificial neural network; CCR; correct classification rate;
Wigner distribution based phase-only correlation
Keywords: تبدیل کوتاه مدت فوریه; Phase-only correlation; Short-time Fourier transform; Wigner distribution;
A novel cuboid method with particle swarm optimization for real-life noise attenuation from heart sound signals
Keywords: تبدیل کوتاه مدت فوریه; Heart sound; Real-life noise attenuation; Short-time Fourier transform; Cuboid method; Particle swarm optimization; The normalized autocorrelation coefficient
Parameter estimation for HFM signals using combined STFT and iteratively reweighted least squares linear fitting
Keywords: تبدیل کوتاه مدت فوریه; Hyperbolic frequency modulated signals; Instantaneous frequency; Zero crossing interval; Short-time Fourier transform; Iteratively reweighted least squares
Magnetoencephalographic analysis of paroxysmal fast activity in patients with epileptic spasms
Keywords: تبدیل کوتاه مدت فوریه; Magnetoencephalography; Paroxysmal fast activity; Epileptic spasms; Lennox–Gastaut syndrome; Time-frequency analysis; Short-time Fourier transform
Extracting fatigue damage parts from the stress–time history of horizontal axis wind turbine blades
Keywords: تبدیل کوتاه مدت فوریه; Short-time Fourier transform; Spectral density function; Load history; Load history reconstruction; Variable amplitude fatigue
Genetic algorithm for rigid body reconstruction after micro-Doppler removal in the radar imaging analysis
Keywords: تبدیل کوتاه مدت فوریه; Radar imaging; Micro-Doppler; L-statistics; Short-time Fourier transform; Genetic algorithm
Serial combination of multiple classifiers for automatic blue whale calls recognition
Keywords: تبدیل کوتاه مدت فوریه; Blue whale calls; Feature extraction; Chirplet transform; Short-time Fourier transform; Neural network; Vector quantization; k-Nearest neighbour; Classifiers combination
Normal and hypoacoustic infant cry signal classification using time–frequency analysis and general regression neural network
Keywords: تبدیل کوتاه مدت فوریه; Acoustic analysis; Infant cry; Feature extraction; Short-time Fourier transform; Pattern classification; General Regression Neural Network
On selecting an optimal wavelet for detecting singularities in traffic and vehicular data
Keywords: تبدیل کوتاه مدت فوریه; Wavelet transform; Singularity detection; Traffic data analysis; The Mexican hat wavelet; Short-time Fourier transform; Oblique cumulative curve
Automatic phonocardiograph signal analysis for detecting heart valve disorders
Keywords: تبدیل کوتاه مدت فوریه; Phonocardiogram (PCG); Short-time Fourier transform; 2-D discrete cosine transform; Adaptive feature extraction; Support vector machines (SVMs);
Vibration analysis of rotating machinery using time–frequency analysis and wavelet techniques
Keywords: تبدیل کوتاه مدت فوریه; Short-time Fourier transform; Wavelet transform; Wavelet packet; Windowing; Vibration signal; Rotating machinery
The applications of time-frequency analyses to ictal magnetoencephalography in neocortical epilepsy
Keywords: تبدیل کوتاه مدت فوریه; Ictal onset; Propagation; Polyspike; Short-time Fourier transform; Ictal discharge; Rhythmic activities
Time–frequency analysis of movement-related spectral power in EEG during repetitive movements: A comparison of methods
Keywords: تبدیل کوتاه مدت فوریه; Event-related de-synchronisation; Repetitive movements; EEG; Time–frequency analysis; Wavelets; Short-time Fourier Transform; Reduced interference distributions
Acoustic stimulation of human medial olivocochlear efferents reduces stimulus-frequency and click-evoked otoacoustic emission delays: Implications for cochlear filter bandwidths
Keywords: تبدیل کوتاه مدت فوریه; CBBN; contralateral broad-band noise; OAE; otoacoustic emission; SFOAE; stimulus-frequency otoacoustic emission; CEOAE; click-evoked otoacoustic emission; DPOAE; distortion product otoacoustic emission; SOAE; spontaneous otoacoustic emission; CA; cochlear
Numerical study on the evaluation of tunnel shotcrete using the Impact-Echo method coupled with Fourier transform and short-time Fourier transform
Keywords: تبدیل کوتاه مدت فوریه; Tunnel shotcrete; Impact-Echo method; Fourier transform; Short-time Fourier transform; Numerical analysis; Field test
Bit error probability approximation for short-time Fourier transform based nonstationary interference excision in DS-SS systems
Keywords: تبدیل کوتاه مدت فوریه; Spread spectrum communications; Time–frequency signal analysis; Error probability; Short-time Fourier transform
SC- and SS-wavelet transforms
Keywords: تبدیل کوتاه مدت فوریه; A-wavelet transform; Fourier transform; Short-time Fourier transform; Wavelet transform
Shift-invariance of short-time Fourier transform in fractional Fourier domains
Keywords: تبدیل کوتاه مدت فوریه; Fractional Fourier domains; Fractional Fourier transform; Linear time-frequency representations; Short-time Fourier transform; Generalized shift-invariance property;