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Signals-and-systems Questions Set 56:

Quiz Mode

Is discrete time convolution possible?

Give answer in True/False.

Solution:

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

f(t/a)/a

af(t/a)

af(at)

f(at)/a

Solution:

Find the Fourier transform of ∂²u/∂x².

(ip)³u'(p,t)

(ip)²u'(p,t)

2(ip)u'(p,t)

4(ip)u'(p,t)

Solution:

Find the Nyquist sampling rate for the signal x(t) = sinc(200t) * sinc(500t)

100 Hz

250 Hz

350 Hz

700 Hz

Solution:

Find the impulse response of the differential equation 2y(t) + dy/dt = x(t)

e^-2tu(t)

e^-2tu(t-1)

e^2tu(t)

e^tu(t-2)

Solution:

The given signal x(n) = cos[(2π/3)n u(n)] is

causal, aperiodic

causal, periodic

non-causal, aperiodic

non-causal, periodic

Solution:

Is the signal X[n] = 2cos(2n) periodic or not?

Periodic with period 2n

Periodic with period 2

Periodic with period 2π

Non-periodic

Solution:

Degaussing in a picture tube means

Adding magnetism in mask and mounting frame

Removing residual magnetism in mask, shield etc...

Increasing resistance of coils to decrease time constant

Decreasing resistance of coils to increase time constant

Solution:

When are LTI (Linear Time-Invariant) systems stable?

When a bounded input produces a bounded output

When a bounded input produces an unbounded output

When an unbounded input produces a bounded output

When an unbounded input produces an unbounded output

Solution:

What is the time reversal property of Fourier series coefficients?

Time reversal of the corresponding sequence of Fourier series

Time reversal of the last term of Fourier series

Time reversal of the corresponding term of Fourier series

Time reversal of the corresponding sequence

Signals-and-systems Questions Set 56:

Is discrete time convolution possible?

Give answer in True/False.

Solution:

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

Solution:

Find the Fourier transform of ∂²u/∂x².

Solution:

Find the Nyquist sampling rate for the signal x(t) = sinc(200t) * sinc(500t)

Solution:

Find the impulse response of the differential equation 2y(t) + dy/dt = x(t)

Solution:

The given signal x(n) = cos[(2π/3)n u(n)] is

Solution:

Is the signal X[n] = 2cos(2n) periodic or not?

Solution:

Degaussing in a picture tube means

Solution:

When are LTI (Linear Time-Invariant) systems stable?

Solution:

What is the time reversal property of Fourier series coefficients?

Solution:

Related Question Sets:

Related Topics:

Signals-and-systems Questions Set 56:

Is discrete time convolution possible? Give answer in True/False.

Solution:

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

Solution:

Find the Fourier transform of ∂²u/∂x².

Solution:

Find the Nyquist sampling rate for the signal x(t) = sinc(200t) * sinc(500t)

Solution:

Find the impulse response of the differential equation 2y(t) + dy/dt = x(t)

Solution:

The given signal x(n) = cos[(2π/3)n u(n)] is

Solution:

Is the signal X[n] = 2cos(2n) periodic or not?

Solution:

Degaussing in a picture tube means

Solution:

When are LTI (Linear Time-Invariant) systems stable?

Solution:

What is the time reversal property of Fourier series coefficients?

Solution:

Related Question Sets:

Related Topics:

Is discrete time convolution possible?

Give answer in True/False.

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