Lecture 1B Questions
Please Log In for full access to the web site.
Note that this link will take you to an external site (https://shimmer.csail.mit.edu) to authenticate, and then you will be redirected back to this page.
Please answer the following questions after watching lecture 1B.
The following plot shows the signal x[n]=A\cos(\Omega n):
Answer the following questions about this signal:
Find the base-band frequency \Omega of x[n]. Enter your answer as a Python expression. You may assume that
pi, and other common mathematical constants are defined for you.
Find another valid value of \Omega such that \pi\leq \Omega\leq 2\pi and enter it in the box below:
Find another valid value of \Omega such that 2\pi\leq \Omega\leq 3\pi and enter it in the box below: