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4 cards from this section. Quick, good the night before a test.
Define noise in the context of data collection.
Think of something that can obscure or distort a signal.
What is Signal-to-Noise Ratio?
It's a ratio that helps us understand the quality of the signal.
What is the purpose of calculating Signal-to-Noise Ratio?
Think about the main elements involved in SNR.
True or False: Noise can only be random.
Remember the two types of noise discussed.
You are collecting soil moisture data using a sensor, but you notice that your SNR is low (1:1). What steps would you take to improve the SNR?
Consider both physical and software-based methods to increase the clarity of your data.
In a civil engineering project, you collected strain measurements but found drastic variations due to noise. Discuss the implications and propose solutions.
Think about the importance of accurate data for structural safety.
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