27.7. Seismogram Filtering and Correction

Try these first

1. 1.

   What is baseline correction?

   Hint

   Focus on the term 'drift.'

2. 2.

   Name one purpose of low-pass filtering.

   Hint

   Think about noises that obscure signals.

3. 3.

   Which process is used to remove sensor drift from seismograms?

   • Integration
   • Differentiation
   • Baseline Correction

   Hint

   Focus on the term 'drift'.

4. 4.

   True or False: High-pass filters remove high-frequency noise.

   • True
   • False

   Hint

   Think about what each filter targets.

5. 5.

   Given a noisy seismogram with visible artifact drift, outline the steps you would take to correct it and analyze the data.

   Hint

   Think of the first step in cleaning your data.

6. 6.

   Consider a scenario where the data collected during an earthquake shows significant noise and drift. How would incorrect data interpretation affect structural engineering decisions?

   Hint

   Remember, safety comes from accurate information.