Systems: Representation Flashcards by Shazna Khanom

Q

What are the 3 ways for modelling a system?

A

Block diagram
Differential (CT) or difference (DT) equation
Transfer function in the Laplace (CT) or Z-domain (DT)

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Q

What is the equation for the following node? What is the name for this type of node?

A

Summing node: y(t) = x₁(t) + x₂(t)

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Q

What is the name and equation of the following node?

A

Difference node: y(t) = x₁(t) - x₂(t)

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Q

What is the name and equation for the following node?

A

Multiplier: y(t) = x₁(t)x₂(t)

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Q

What is the name and equation for the following system?

A

Series (or cascade) connection: y = H₂H₁

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Q

What is the name and equation for the following system?

A

Parallel connection: y = H₁ + H₂

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