Mathematics
Discrete Fourier series
Periodic function
Exponential function
Periodic sequence
Convolution (computer science)
Mathematical analysis
Period (music)
Series (stratigraphy)
Fourier series
Discrete Fourier transform (general)
Discrete frequency domain
Discrete-time Fourier transform
Almost periodic function
Fourier transform
Fourier analysis
Frequency domain
Physics
Fractional Fourier transform
Computer science
Paleontology
Machine learning
Artificial neural network
Acoustics
Biology