Laplace transform and inverse transform

dynamic state and static state

Mentality state mentality state

stationary state approximation; steady state approximation

“Window” Fourier transform

∑-△ transform

∑-△transform

∑-Δ transform

2 dimensional discrete wavelet transform

2-D Arithmetic Fourier Transform

2D continuous wavelet transform

2D discrete cosine transform

2D discrete wavelet transform

2-D discrete wavelet transform

2D Fourier transform

2-D Fourier transform

2D Gabor wavelet transform

2-D Hilbert-Huang transform

2D Hough transform

2D hybrid transform