Category:Fourier analysis

• Fourier analysis
• List of Fourier analysis topics

A

• Almost periodic function
• Analytic signal
• Autocovariance

B

• Banach algebra
• Basis function
• Bessel function

C

• Chirp Z-transform
• Chirplet transform
• Compact group
• Convolution
• List of cycles

D

• DFT matrix
• Dirac delta function
• Dirichlet problem
• Discrete cosine transform
• Discrete Fourier transform
• Discrete Hartley transform
• Discrete sine transform
• Discrete-time Fourier transform

F

• Finite Fourier transform
• Fourier operator
• Fourier optics
• Fourier transform
• Fourier-transform spectroscopy
• Fractional Fourier transform
• Fundamental frequency

G

• Generalized Fourier series

H

• Hartley transform

L

• Laplace operator
• Laplace transform
• Laplace's equation

M

• Marcinkiewicz interpolation theorem
• Modified discrete cosine transform
• Modulus of continuity
• Multiplier (Fourier analysis)

O

• Orthonormal basis

P

• Periodic function
• Periodogram
• Poisson summation formula
• Pontryagin duality

R

• Reciprocal lattice

S

• S transform
• Set of uniqueness
• Short-time Fourier transform
• Sobolev space
• Spectral density
• Spectral leakage
• Spherical harmonics

T

• Topological group
• List of Fourier-related transforms
• Trigonometric polynomial

W

• Whittaker–Shannon interpolation formula
• Window function
• Wirtinger's inequality for functions