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Signals-and-systems Questions Set 53:

Quiz Mode

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

f'(t)

f''(t)

∫₀^t f(τ) dτ

Solution:

The Delta function δ[n] is the same as:

u[n] - u[n+1]

u[n] + u[n-1]

u[n] + u[n+1]

u[n] - u[n-1]

Solution:

What is the defining characteristic of an energy signal?

Infinite energy

Finite energy

None of the above

Zero energy

Solution:

The inverse Fourier transform of X(e^jΩ) at n = 0, where:

X(e^jΩ) = 1 for -2 ≤ Ω ≤ 2, and 0 otherwise

2/π

4/π

1/π

1/(2π)

Solution:

A signal which exists only for a negative value of time is called _____

Periodic Signal

Anti-Causal signal

Causal Signal

Unit step signal

Solution:

What is the result of differentiating the function P(t) twice with respect to t?

None of the above

Ramp function

Unit step function

Delta function

Solution:

A minimum phase system has fourteen poles and two zeros. What is the slope of the highest frequency asymptotic in its Bode plot?

-240 dB/decade

-280 dB/decade

Solution:

If the first 4 terms of a 7-point DFT of a real sequence x(n) are 4, 1+2j, 2+3j, and 4-6j, what are the remaining terms?

4+6j, 2-3j, 1-2j

4-6j, 2+3j, 1+2j

Indeterminable from the given data

-4, -1-2j, -2-3j

Solution:

Which of the following statements are true?

A system is said to be linear if it satisfies the superposition and homogeneity properties.

Time-invariant systems are systems that respond identically no matter when the input is applied.

A time-invariant system can be a linear system.

x[n^2] is linear whereas x^2[n] is non-linear.

1, 2

1, 2, 3

2, 4

Solution:

Which of the following statements can explain why an initially stable system may become unstable?

When the output is bounded for an input system that is also bounded

When the output is unbounded for an input system that is bounded

When the output is bounded for an input system that is unbounded

When the output is unbounded for an input system that is also unbounded

Signals-and-systems Questions Set 53:

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

Solution:

The Delta function δ[n] is the same as:

Solution:

What is the defining characteristic of an energy signal?

Solution:

The inverse Fourier transform of X(e^jΩ) at n = 0, where:

X(e^jΩ) = 1 for -2 ≤ Ω ≤ 2, and 0 otherwise

Solution:

A signal which exists only for a negative value of time is called _____

Solution:

What is the result of differentiating the function P(t) twice with respect to t?

Solution:

A minimum phase system has fourteen poles and two zeros. What is the slope of the highest frequency asymptotic in its Bode plot?

Solution:

If the first 4 terms of a 7-point DFT of a real sequence x(n) are 4, 1+2j, 2+3j, and 4-6j, what are the remaining terms?

Solution:

Solution:

Which of the following statements can explain why an initially stable system may become unstable?

Solution:

Related Question Sets:

Related Topics:

Signals-and-systems Questions Set 53:

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

Solution:

The Delta function δ[n] is the same as:

Solution:

What is the defining characteristic of an energy signal?

Solution:

The inverse Fourier transform of X(ejΩ) at n = 0, where: X(ejΩ) = 1 for -2 ≤ Ω ≤ 2, and 0 otherwise

Solution:

A signal which exists only for a negative value of time is called _____

Solution:

What is the result of differentiating the function P(t) twice with respect to t?

Solution:

A minimum phase system has fourteen poles and two zeros. What is the slope of the highest frequency asymptotic in its Bode plot?

Solution:

If the first 4 terms of a 7-point DFT of a real sequence x(n) are 4, 1+2j, 2+3j, and 4-6j, what are the remaining terms?

Solution:

Solution:

Which of the following statements can explain why an initially stable system may become unstable?

Solution:

Related Question Sets:

Related Topics:

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

The inverse Fourier transform of X(e^jΩ) at n = 0, where:

X(e^jΩ) = 1 for -2 ≤ Ω ≤ 2, and 0 otherwise