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Signals and Noise Ratio
 
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The information in this document was accurate as of the original publication date.

Audience: Educators
Grades: 6-8


Students are introduced to the terms "signal" and "noise" in the context of spacecraft communication. This hands-on activity includes an online interactive to explore the Signal-to-Noise Ratio, a fundamental concept in spacecraft communication. The lesson's pencil-and-paper component addresses relevant topics such as proportions and ratios.

By the end of this lesson, students will be able to:
  • Understand the terms"signal" and "noise" in the context of spacecraft communications.
  • Quantify noise using a given data set.
  • Calculate the signal-to-noise ratio.
This lesson includes teacher and student pages.

Signals and Noise Ratio  [632KB PDF file]

See also:
Earth Calling...
Signals and Noise, Oh Boy!