5.1. Discrete Signals

Try these first

1. 1.

   What is a discrete signal?

   Hint

   Think of examples where data is collected periodically.

2. 2.

   Explain the importance of SNR.

   Hint

   Consider how noise affects measurements.

3. 3.

   What does a higher SNR indicate?

   • More noise
   • Clearer signal
   • Less data

   Hint

   Recall the role of SNR in data quality.

4. 4.

   True or False: Discrete signals are collected continuously.

   • True
   • False

   Hint

   Think about how data is logged in sensors.

5. 5.

   If you have collected discrete strain data and the SNR is found to be 5 dB, how would you increase SNR to make your measurements more reliable?

   Hint

   Consider both reducing noise and increasing signal power.

6. 6.

   Given a dataset where the signal power fluctuates between 30 and 70 units while the noise power remains constant at 10 units, devise a strategy to ensure a momentary high SNR.

   Hint

   Think about signal processing techniques in real-time measurements.