GATE ECE 2018 Paper 1 — page 8

Questions 22–24 of 65. Imported answers require review unless explicitly marked reviewed.

Paper practice 65 questionsPage 8 of 22

Let

, where a and b are constants. If

and

, then the relation between a and b is

Your answerChoose one option.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

A discrete-time all-pass system has two of its poles at

and

. Which one of the following statements about the system is TRUE?

Your answerChoose one option.

It has two more poles at

and

It is stable only when the impulse response is two-sided.

It has constant phase response over all frequencies.

It has constant phase response over the entire z-plane.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Let

be a periodic function with period

. The Fourier series coefficients for this series are denoted by

, that is

The same function

can also be considered as a periodic function with period

. Let

be the Fourier series coefficients when period is taken as

. If

, then

is equal to

Your answerChoose one option.

256

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

2018 · Paper 1