Question 1
What is sampling in signal processing?
Question 2
What is the main purpose of an anti-aliasing filter before an analogue-to-digital converter?
Question 3
A signal has a highest frequency of $3\ \text{kHz}$. According to the Nyquist rule, what is the minimum sampling rate needed?
Question 4
What does an analogue-to-digital converter do?
Question 5
What is quantization in the conversion of a sampled signal?