Short-time Fourier Transform

URI: https://gptkb.org/entity/Short-time_Fourier_Transform
GPTKB entity
Statements (40)
Predicate Object
gptkbp:instanceOf gptkb:signal_processing
gptkbp:abbreviation gptkb:STFT
gptkbp:analyzes non-stationary signals
gptkbp:appliesTo image processing
speech processing
audio analysis
biomedical signal analysis
gptkbp:category mathematical analysis
digital signal processing
time-frequency analysis
gptkbp:domain time-frequency domain
gptkbp:generalizes gptkb:Wavelet_Transform
https://www.w3.org/2000/01/rdf-schema#label Short-time Fourier Transform
gptkbp:implementedIn gptkb:MATLAB
gptkb:Octave
Python (scipy.signal.stft)
gptkbp:input time-domain signal
gptkbp:introducedIn 1946
gptkbp:inverse_operation gptkb:Inverse_Short-time_Fourier_Transform
gptkbp:limitation fixed time-frequency resolution
gptkbp:mathematical_operation gptkb:Fourier_Transform
convolution
gptkbp:output time-frequency representation
gptkbp:parameter window type
FFT size
hop size
window length
gptkbp:proposedBy gptkb:Dennis_Gabor
gptkbp:relatedTo gptkb:Wavelet_Transform
gptkb:Fourier_Transform
gptkb:Gabor_Transform
gptkbp:used_in spectrogram computation
gptkbp:usedFor time-frequency analysis
gptkbp:uses window function
gptkbp:visualizes spectrogram
gptkbp:window_types gptkb:Hamming_window
gptkb:Hann_window
Rectangular window
gptkbp:bfsParent gptkb:Windowed_Fourier_Transform
gptkbp:bfsLayer 7