6.17. Data Acquisition and Signal Processing

Try these first

1. 1.

   What does an ADC do?

   Hint

   Think about the meaning of analog vs digital.

2. 2.

   What is the purpose of a multiplexer?

   Hint

   Consider how you might share one resource among many users.

3. 3.

   What is the main function of a data logger?

   • To store power
   • To record data over time
   • To amplify signals

   Hint

   Think about the main purpose of collecting information.

4. 4.

   True or False: Wireless communication protocols help in achieving remote monitoring.

   • True
   • False

   Hint

   Consider how smartphones connect to the internet.

5. 5.

   Design a simple data acquisition system for a civil engineering project that includes at least two different types of sensors and describe how you would use wireless communication.

   Hint

   Consider the types of data you need to collect and how you will transmit that data.

6. 6.

   Given a noisy signal, detail the steps you would take to apply signal conditioning to improve the data's quality.

   Hint

   Think about how you would clean up a messy piece of text by removing unnecessary words.