Definition of Fourier transform:

(C.1)

Rayleigh’s energy theorem:

(C.2)

Functions used in the Fourier transforms:

Dirac delta function:

(C.3)

Sinc function:

(C.4)

Unit step function:

(.5)

Signum function:

(.6)

Rectangular function:

(C.7)

Triangular function:

(C.8)

Properties of Fourier transform:

Fourier transforms: