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Signals-and-systems Questions Set 47:

Quiz Mode

What is the value of z(cos(nπ/2 + π/4))?

z/((z^2+1)2)

z/((z^2+1)√2)

z(z-1)/((z^2+1)2)

z(z-1)/((z^2+1)√2)

Solution:

For the signal x(t) = a – b*exp(-ct), what is the steady state value, and the initial value?

c, c-a

c, b

a, a-b

b, a-b

Solution:

e^z is periodic along the ___________

Imaginary axis

Real axis

Both imaginary and real axis

It is not a periodic signal

Solution:

A signal is considered a power signal when it has:

Infinite average power

Finite average power

Zero average power

None of the above

Solution:

What is the Laplace transform of te^-tcos 2t?

((s+1)^3 - 4)/((s+1)^3 + 4)

((s+1)^2 - 4)/((s+1)^2 + 4)

((s+1)^2 + 4)/((s+1)^2 - 4)^2

((s+1)^2 - 4)/((s+1)^2 + 4)^2

Solution:

Which of the following hold TRUE for Odd signals?

These signals have different amplitude

The mirror image of these signals is the same

x(t) = x(-t)

These signals have different phases

Solution:

A system produces zero output for one input and same gives the same output for several other inputs. What is the system called?

Non – invertible System

Invertible system

Non – causal system

Causal system

Solution:

If the oscillator output is modulated by audio frequencies up to 10 kHz, the frequency range occupied by the sidebands will be:

711.9 kHz to 712.1 kHz

702 kHz to 722 kHz

692 kHz to 732 kHz

71.2 kHz to 71.20 kHz

Solution:

When can a system be considered linear?

When it satisfies both amplitude scaling and the principle of superposition

When it satisfies amplitude scaling but not the principle of superposition

When it satisfies only the principle of superposition

When it satisfies only amplitude scaling

Solution:

Which of the following is a correct option

For performing linear convolution, the number of samples of X(n) and H(n) must be same

For performing linear convolution, the number of samples of X(n) must be greater than H(n).

For performing linear convolution, the number of samples of H(n) must be greater than X(n).

For performing linear convolution, the number of samples of X(n) and H(n) can be different.

Signals-and-systems Questions Set 47:

What is the value of z(cos(nπ/2 + π/4))?

Solution:

For the signal x(t) = a – b*exp(-ct), what is the steady state value, and the initial value?

Solution:

e^z is periodic along the ___________

Solution:

A signal is considered a power signal when it has:

Solution:

What is the Laplace transform of te^-tcos 2t?

Solution:

Which of the following hold TRUE for Odd signals?

Solution:

A system produces zero output for one input and same gives the same output for several other inputs. What is the system called?

Solution:

If the oscillator output is modulated by audio frequencies up to 10 kHz, the frequency range occupied by the sidebands will be:

Solution:

When can a system be considered linear?

Solution:

Which of the following is a correct option

Solution:

Related Question Sets:

Related Topics:

Signals-and-systems Questions Set 47:

What is the value of z(cos(nπ/2 + π/4))?

Solution:

For the signal x(t) = a – b*exp(-ct), what is the steady state value, and the initial value?

Solution:

ez is periodic along the ___________

Solution:

A signal is considered a power signal when it has:

Solution:

What is the Laplace transform of te-tcos 2t?

Solution:

Which of the following hold TRUE for Odd signals?

Solution:

A system produces zero output for one input and same gives the same output for several other inputs. What is the system called?

Solution:

If the oscillator output is modulated by audio frequencies up to 10 kHz, the frequency range occupied by the sidebands will be:

Solution:

When can a system be considered linear?

Solution:

Which of the following is a correct option

Solution:

Related Question Sets:

Related Topics:

e^z is periodic along the ___________

What is the Laplace transform of te^-tcos 2t?