Unit Delay (z-Element)¶

The unit delay delays a discrete time or analog signal by the sample period T.

The block can be rotated in 90 ° steps.

Functions

y(t) = u(t-T)

Step response:

h(t)= σ(t-T)

Transfer function:

G(z)=z^-1; z:=e^sT

Time response

Magnitude and phase response

Polar plot