Jobs By Abekus

Signals-and-systems Questions Set 49:

Quiz Mode

Which of the following operations is time folding?

-x(t)

1/x(t)

x(-t)

x(-2t)

Solution:

If L^-1{F(s)} = f(t), what is the value of L^-1[F(s-a)]?

f(t-a)

f(t+a)

e^atf(t)

e^-atf(t)

Solution:

What is the inverse Laplace transform of 1/(s²-a²)?

(sinh at)/a

cosh at

(sin at)/a

cos at

Solution:

What is the shape of the signal for u(t) - u(t-1)?

Square

Rectangle

Triangle

Straight line

Solution:

The bandwidth required for the unit impulse function is _____.

-∞ < f < ∞

-∞ < f < 0

None of the above

0 < f < ∞

Solution:

What is the steady-state value of F(t), if it is known that F(s) = 2/s(s+1)(s+2)(s+3)?

1/2

1/3

1/4

None of the above

Solution:

If the Nyquist rate of the continuous-time signal x(4t) is ω, then what is the Nyquist rate of dx(t)/dt?

ω/4

4ω

ω/2

Solution:

A discrete time signal x[k] is given by:

x[k] = 2, for -1 ≤ k ≤ 1

x[k] = 0, for |k| > 1

Then, y[k] = x[2k-1] is ___________

y[k] = 2, for k = -1, 1

y[k] = 2, for k = 0, 1

y[k] = 0, for k = 0, 1

y[k] = 0, for k = -1, 0

Solution:

If the inverse Laplace transform of F(s) is f(t) and the inverse Laplace transform of G(s) is g(t), what is the value of the inverse Laplace transform of [aF(s) + bG(s)]?

af(t) + bg(t)

af(t) - bg(t)

af(t), bg(t)

af(t)⁄bg(t)

Solution:

Which of the following most accurately defines a Causal System?

The system in which the present output depends on the present input signals.

The system in which the present output depends on the present and future input signals.

The system in which the present output depends on the present and past input signals.

The system in which the present output depends on the past input signals.

Signals-and-systems Questions Set 49:

Which of the following operations is time folding?

Solution:

If L^-1{F(s)} = f(t), what is the value of L^-1[F(s-a)]?

Solution:

What is the inverse Laplace transform of 1/(s²-a²)?

Solution:

What is the shape of the signal for u(t) - u(t-1)?

Solution:

The bandwidth required for the unit impulse function is _____.

Solution:

What is the steady-state value of F(t), if it is known that F(s) = 2/s(s+1)(s+2)(s+3)?

Solution:

If the Nyquist rate of the continuous-time signal x(4t) is ω, then what is the Nyquist rate of dx(t)/dt?

Solution:

A discrete time signal x[k] is given by:

x[k] = 2, for -1 ≤ k ≤ 1

x[k] = 0, for |k| > 1

Then, y[k] = x[2k-1] is ___________

Solution:

If the inverse Laplace transform of F(s) is f(t) and the inverse Laplace transform of G(s) is g(t), what is the value of the inverse Laplace transform of [aF(s) + bG(s)]?

Solution:

Which of the following most accurately defines a Causal System?

Solution:

Related Question Sets:

Related Topics:

Signals-and-systems Questions Set 49:

Which of the following operations is time folding?

Solution:

If L-1{F(s)} = f(t), what is the value of L-1[F(s-a)]?

Solution:

What is the inverse Laplace transform of 1/(s2-a2)?

Solution:

What is the shape of the signal for u(t) - u(t-1)?

Solution:

The bandwidth required for the unit impulse function is _____.

Solution:

What is the steady-state value of F(t), if it is known that F(s) = 2/s(s+1)(s+2)(s+3)?

Solution:

If the Nyquist rate of the continuous-time signal x(4t) is ω, then what is the Nyquist rate of dx(t)/dt?

Solution:

A discrete time signal x[k] is given by: x[k] = 2, for -1 ≤ k ≤ 1 x[k] = 0, for |k| > 1 Then, y[k] = x[2k-1] is ___________

Solution:

If the inverse Laplace transform of F(s) is f(t) and the inverse Laplace transform of G(s) is g(t), what is the value of the inverse Laplace transform of [aF(s) + bG(s)]?

Solution:

Which of the following most accurately defines a Causal System?

Solution:

Related Question Sets:

Related Topics:

If L^-1{F(s)} = f(t), what is the value of L^-1[F(s-a)]?

What is the inverse Laplace transform of 1/(s²-a²)?

A discrete time signal x[k] is given by:

x[k] = 2, for -1 ≤ k ≤ 1

x[k] = 0, for |k| > 1

Then, y[k] = x[2k-1] is ___________