Summary: Lists important formulas, both analog and time discrete.
Analog  Time Discrete 

Delta function  Unit sample 


Unit step function  Unit step function 


Angular frequency  Angular frequency 


Energy

Energy

Power

Power

Convol.

Convol.

Fourier Transformation  Discrete Time Fourier Transform 


Inverse Fourier Transform  Inverse DTFT 


Fourier coeffecients  Discrete Fourier Transform 


Series expansion  Inverse DFT 


Parseval  Parseval 

