Discrete-Time Signals and Systems, Part 1 PDF
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These are lecture notes for a course on discrete-time signals and systems. The notes cover general sequences and graphical representations, plus unit sample and unit step sequences. The material seems to be focused on introductory concepts of the subject, and probably aimed at undergraduate level.
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2 DISCRETE-TIME SIGNALS AND SYSTEMS, PART 1 1. Lecture 2 - 36 minutes x(O) x(1)x(2) General Seque x(n)...
2 DISCRETE-TIME SIGNALS AND SYSTEMS, PART 1 1. Lecture 2 - 36 minutes x(O) x(1)x(2) General Seque x(n) nce Graphical representa- tion of Discrete- Time Signals *a ?III 7 8 91011 n -3-2-1 0 1 2 3 4 5 6 Unit Sample(Impulse) b(n) 8(n)=1 n=O =0 Otherwise -101 - -*-n -1 0 1 2 3 u(n) 00* 2.1 8(n) :u(n) -u(n-1) The unit-sample sequence in terms of the unit- step sequence. 21111... u (n) -~~~ - u(n-1) u(n)= Z 8(k) The unit-step sequence in terms of the unit- sample sequence. n
