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Signals and Sinusoids

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Questions and Answers

Which mathematical concept can be used to express these signals in terms of sinusoids?

Taylor series

Quadratic equation

Pythagorean theorem

Euler's formula (correct)

How can these signals be expressed in terms of sinusoids using Euler's identity?

e±j1

e±j4 (correct)

e±j2

e±j0

What is the relationship between Euler's identity and sinusoids?

Euler's identity cannot be used to represent sinusoids

Euler's identity is used to represent sinusoids (correct)

Euler's identity is unrelated to sinusoids

Euler's identity is a special case of sinusoids

Which variable represents the sample number in the expression for a discrete-time sinusoidal signal?

n Signup and view all the answers

Which variable represents the frequency in radians per sample in the expression for a discrete-time sinusoidal signal?

co Signup and view all the answers

If the frequency variable 'f' is used instead of 'co', how would the expression for a discrete-time sinusoidal signal change?

x(n) = A cos(2nf + 8) Signup and view all the answers

What are the dimensions of the frequency variable 'f' in the expression for a discrete-time sinusoidal signal?

Cycles per second Signup and view all the answers

In the context of sampling analog sinusoids, how is the frequency variable 'f' related to the frequency 'F' of the analog sinusoid?

f = 2πF Signup and view all the answers

Signals and Sinusoids

Choose a study mode

Podcast

Questions and Answers

Which mathematical concept can be used to express these signals in terms of sinusoids?

How can these signals be expressed in terms of sinusoids using Euler's identity?

What is the relationship between Euler's identity and sinusoids?

Which variable represents the sample number in the expression for a discrete-time sinusoidal signal?

Which variable represents the frequency in radians per sample in the expression for a discrete-time sinusoidal signal?

If the frequency variable 'f' is used instead of 'co', how would the expression for a discrete-time sinusoidal signal change?

What are the dimensions of the frequency variable 'f' in the expression for a discrete-time sinusoidal signal?

In the context of sampling analog sinusoids, how is the frequency variable 'f' related to the frequency 'F' of the analog sinusoid?

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