Signals and Sinusoids

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App

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?

<p>n (B)</p> Signup and view all the answers

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

<p>co (B)</p> 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?

<p>x(n) = A cos(2nf + 8) (C)</p> Signup and view all the answers

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

<p>Cycles per second (C)</p> 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?

<p>f = 2Ï€F (A)</p> Signup and view all the answers

Flashcards are hidden until you start studying

More Like This

Use Quizgecko on...
Browser
Open
Browser
Browser