Transforms

In mathematics and signal processing, the Z-transform converts a discrete-time signal, which is a sequence of real or complex numbers, into a complex valued frequency-domain (the z-domain or z-plane) representation.

involutive transformation on real-valued convex functions of one real variable

discrete Fourier transform with short overlapping windows

a square matrix in which each ascending skew-diagonal from left to right is constant

change of basis applied in quantum computing

in Hamiltonian mechanics

Statistical transform

Fourier analysis technique applied to sequences

example of a generalized class of Fourier transforms

transformation of a mathematical sequence

the inverse operation to the Laplace transform

the ("dual") lower-semicontinuous convex function resulting from the Legendre–Fenchel transformation of a "primal" function

method used in digital signal processing and discrete-time control theory to transform continuous-time system representations to discrete-time and vice versa

mathematical operation

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used in signal processing, which is the time-frequency variant of the Wigner quasiprobability distribution

Method in signal processing

method for solving some non-linear partial differential equations

Method in signal processing