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Signals and Systems Exploration

Authored by sylviaujwal sylviaujwal

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Signals and Systems Exploration
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23 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the main classifications of signals?

Static, Dynamic

Linear, Nonlinear

Continuous, Discrete, Analog, Digital, Deterministic, Random, Periodic, Aperiodic

Synchronous, Asynchronous

2.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Define continuous-time and discrete-time signals.

Continuous-time signals are defined for all time, while discrete-time signals are defined only at specific time intervals.

Continuous-time signals can only be represented in digital form.

Discrete-time signals are defined for all time and continuous-time signals are not.

Continuous-time signals are defined only at specific time intervals.

3.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

What is the difference between analog and digital signals?

Analog signals are faster than digital signals.

Analog signals can only be used for audio; digital signals are for video.

Analog signals are discrete; digital signals are continuous.

Analog signals are continuous; digital signals are discrete.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain the classification of systems based on linearity.

Linear systems and nonlinear systems

Static systems and dynamic systems

Deterministic systems and stochastic systems

Discrete systems and continuous systems

5.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

What is the significance of time-invariance in systems?

Time-invariance means inputs must be applied at specific times.

Time-invariance is only relevant for linear systems.

Time-invariance ensures consistent system behavior regardless of when inputs are applied.

Time-invariance allows systems to change behavior over time.

6.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Describe the concept of orthogonal signals.

Orthogonal signals are dependent signals that can be combined to create new signals.

Orthogonal signals are signals that amplify each other, resulting in a higher output.

Orthogonal signals are always in phase with each other, leading to constructive interference.

Orthogonal signals are independent signals that do not interfere with each other, characterized by an inner product of zero.

7.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

How do orthogonal signals relate to signal space?

Orthogonal signals represent the same dimension in signal space.

Orthogonal signals correspond to distinct dimensions in signal space, allowing for efficient representation and separation.

Orthogonal signals cannot be separated in signal space.

Orthogonal signals are identical in signal space.

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