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Signals-and-systems Questions Set 29:

Quiz Mode

What is the magnitude of e^2+3j?

exp(2.3)

exp(3)

exp(3/2)

exp(2)

Solution:

Find the Z-Transform of the given function: δ(n+8)

z⁸

z⁻⁸

z⁻¹

Solution:

What is the period of the given function?

cos[(π/4)(t-1)]

1/8 sec

8 sec

4 sec

1/4 sec

Solution:

What is the result of integrating the unit step function?

Impulse

Ramp

Parabolic

Square

Solution:

Frequency shift keying is mostly used in:

Telegraphy

Telephony

Satellite communication

Radio transmission

Solution:

The Nyquist frequency for the given signal:

x(t) = 2 cos 100πt + 5 sin 400πt - cos 300πt is

100 Hz

150 Hz

300 Hz

800 Hz

Solution:

The open-loop transfer function of a feedback system is G(s) = 1 + s/s(1 + 0.5s). The corner frequencies are:

0 and 2 rad/s

0 and 1 rad/s

0 and -1 rad/s

1 and 2 rad/s

Solution:

A continuous-time signal with a finite time period is represented by a spectrum that is discrete in nature.

Continuous & Aperiodic

Continuous & Periodic

Discrete & Aperiodic

Discrete & Periodic

Solution:

The analog modulation technique that requires the minimum channel bandwidth is:

Vestigial sideband modulation (VSB)

Double-sideband suppressed-carrier transmission (DSB-SC)

Amplitude modulation (AM)

Single sideband modulation (SSB)

Solution:

What is a line spectrum?

A plot showing the magnitudes of waveforms is called a line spectrum

A plot showing the amplitudes of the individual harmonic components in a wave is called a line spectrum

A plot showing the amplitudes of the harmonic components is called a line spectrum

Signals-and-systems Questions Set 29:

What is the magnitude of e^2+3j?

Solution:

Find the Z-Transform of the given function: δ(n+8)

Solution:

What is the period of the given function?

cos[(π/4)(t-1)]

Solution:

What is the result of integrating the unit step function?

Solution:

Frequency shift keying is mostly used in:

Solution:

The Nyquist frequency for the given signal:

x(t) = 2 cos 100πt + 5 sin 400πt - cos 300πt is

Solution:

The open-loop transfer function of a feedback system is G(s) = 1 + s/s(1 + 0.5s). The corner frequencies are:

Solution:

A continuous-time signal with a finite time period is represented by a spectrum that is discrete in nature.

Solution:

The analog modulation technique that requires the minimum channel bandwidth is:

Solution:

What is a line spectrum?

Solution:

Related Question Sets:

Related Topics:

Signals-and-systems Questions Set 29:

What is the magnitude of e2+3j?

Solution:

Find the Z-Transform of the given function: δ(n+8)

Solution:

What is the period of the given function? cos[(π/4)(t-1)]

Solution:

What is the result of integrating the unit step function?

Solution:

Frequency shift keying is mostly used in:

Solution:

The Nyquist frequency for the given signal: x(t) = 2 cos 100πt + 5 sin 400πt - cos 300πt is

Solution:

The open-loop transfer function of a feedback system is G(s) = 1 + s/s(1 + 0.5s). The corner frequencies are:

Solution:

A continuous-time signal with a finite time period is represented by a spectrum that is discrete in nature.

Solution:

The analog modulation technique that requires the minimum channel bandwidth is:

Solution:

What is a line spectrum?

Solution:

Related Question Sets:

Related Topics:

What is the magnitude of e^2+3j?

What is the period of the given function?

cos[(π/4)(t-1)]

The Nyquist frequency for the given signal:

x(t) = 2 cos 100πt + 5 sin 400πt - cos 300πt is