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Signal Processing Question #1 Which of the following is NOT using signals? Group of answer choices...

Signal Processing

Question #1

Which of the following is NOT using signals?

Group of answer choices

  • Morning fog on a pond
  • A traffic light turning red
  • The scent and color of a flower
  • A pump that turns on as water levels rise
  • A call on your cell phone
  • Data collected from a temperature sensor
  • Music from a radio
  • A ship's navigation system

Question #2

I would like to have a reliable measurement system, therefore I would like a:

Group of answer choices

  • Signal to noise ratio that is negative
  • Low signal to noise ratio
  • High signal to noise ratio
  • Signal to noise ratio of zero

Question #3

A running average is a lot like what kind of filter:

Group of answer choices

  • A high pass filter
  • A band pass filter
  • A low pass filter
  • A fourier transform

Question #4

What does a Fourier Transform do?

Group of answer choices

  • Takes a series of data and looks at it as a function of frequency
  • Flips the X and Y axis on your plot
  • Tells you the level of signal to noise in your data
  • Gets noise out of a system
engineering   Electrical-Engineering   
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