Midterm review

These are the MUST know for the Midterm:
 * Basic Operations of Signals
 * Elementary Signals
 * Signal Classifications and Properties
 * Time domain analysis of LTI system and properties
 * Properties of convolution and LTI systems
 * Fourier Series
 * Fourier Transform
 * Fourier Transform Analysis of LTI Systems

Do more practice problem and do Dr.Qi's Midterm review problems. Those questions are there for a reason so make sure you understand every questions and go to office hours to make sure you do understand.