Question

Which of the following mapping is true between s-plane and z-domain?

(a) Points in LHP of the s-plane into points inside the circle in z-domain

(b) Points in RHP of the s-plane into points outside the circle in z-domain

(c) Points on imaginary axis of the s-plane into points onto the circle in z-domain

(d) All of the mentioned

This question was addressed to me in quiz.

I'm obligated to ask this question of IIR Filter Design by Approximation of Derivatives in portion Digital Filters Design of Digital Signal Processing

Answer 1

The correct choice is (d) All of the mentioned

To explain I would say: The below diagram explains the given question