gptkbp:instanceOf
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gptkb:transformation
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gptkbp:application
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gptkb:quantum_physics
communications
image processing
audio signal analysis
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gptkbp:basisFor
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complex exponentials
sine and cosine functions
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gptkbp:category
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gptkb:integral
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gptkbp:codomain
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frequency domain
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gptkbp:continuousVersion
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gptkb:Continuous_Fourier_Transform
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gptkbp:designer
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Inverse Fourier Transform
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gptkbp:discreteVersion
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gptkb:Discrete_Fourier_Transform
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gptkbp:domain
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time domain
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gptkbp:extendsTo
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gptkb:Fractional_Fourier_Transform
gptkb:Short-Time_Fourier_Transform
gptkb:Windowed_Fourier_Transform
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gptkbp:fastAlgorithm
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gptkb:Fast_Fourier_Transform
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gptkbp:field
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gptkb:mathematics
gptkb:signal_processing
physics
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gptkbp:firstPublished
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1822
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gptkbp:form
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linear
invertible
unitary (under certain conditions)
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gptkbp:generalizes
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Fourier series
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https://www.w3.org/2000/01/rdf-schema#label
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Fourier Transform
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gptkbp:input
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gptkb:software
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gptkbp:limitation
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not always defined for all functions
requires integrable functions
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gptkbp:namedAfter
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gptkb:Joseph_Fourier
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gptkbp:notation
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F(f)(ξ)
∫ f(t) e^{-i2πξt} dt
𝓕{f(t)}
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gptkbp:output
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gptkb:software
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gptkbp:purpose
|
decompose functions into frequencies
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gptkbp:recurrence
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non-periodic signals
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gptkbp:relatedConcept
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gptkb:Laplace_Transform
gptkb:Z-transform
gptkb:Hilbert_Transform
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gptkbp:supportsAlgorithm
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gptkb:FFT
gptkb:DFT
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gptkbp:usedFor
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solving differential equations
filter design
spectral analysis
frequency analysis
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gptkbp:usedIn
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seismology
speech recognition
MRI
radar signal analysis
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gptkbp:bfsParent
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gptkb:Signal_Processing
gptkb:Digital_Filters
gptkb:spectrometer
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gptkbp:bfsLayer
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5
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