windowed Fourier transform

URI: https://gptkb.org/entity/windowed_Fourier_transform
GPTKB entity
Statements (32)
Predicate Object
gptkbp:instanceOf gptkb:transformation
gptkbp:alsoKnownAs gptkb:short-time_Fourier_transform
gptkbp:application seismology
image processing
music analysis
speech analysis
radar signal analysis
gptkbp:commonWindowFunction gptkb:Hamming_window
gptkb:Hann_window
rectangular window
Gaussian window
gptkbp:field gptkb:mathematics
gptkb:signal_processing
gptkbp:form integral of signal times window times complex exponential
gptkbp:generalizes gptkb:Fourier_transform
https://www.w3.org/2000/01/rdf-schema#label windowed Fourier transform
gptkbp:input time-domain signal
gptkbp:introduced gptkb:Dennis_Gabor
gptkbp:introducedIn 1946
gptkbp:limitation time-frequency resolution trade-off
gptkbp:method applies Fourier transform to windowed segments
gptkbp:output time-frequency representation
gptkbp:parameter window type
hop size
window width
gptkbp:purpose analyze non-stationary signals
gptkbp:relatedTo gptkb:Fourier_transform
spectrogram
wavelet transform
gptkbp:uses window function
gptkbp:bfsParent gptkb:discrete_Fourier_transform
gptkbp:bfsLayer 6