DSP Lecture 1: Signals

Title:

Description:

ECSE-4530  Digital Signal Processing
Rich Radke, Rensselaer Polytechnic Institute
Lecture 1:  (8/25/14)

0:00:00 Introduction
0:00:14  What is a signal?  What is a system?
0:02:35  Continuous time vs. discrete time (analog vs. digital)
0:05:49  Signal transformations
0:05:55  Flipping/time reversal
0:06:46  Scaling
0:09:34  Shifting
0:11:24  Combining transformations; order of operations
0:15:41  Signal properties
0:15:47  Even and odd
0:16:43  Decomposing a signal into even and odd parts (with Matlab demo)
0:21:33  Periodicity
0:23:08  Special signals
0:23:09  The delta function
0:24:03  The unit step function
0:24:52  The relationship between the delta and step functions
0:33:20  Decomposing a signal into delta functions
0:36:14  The sampling property of delta functions
0:38:48  Complex number review (magnitude, phase, Euler's formula)
0:43:35  Real sinusoids (amplitude, frequency, phase)
0:47:25  Real exponential signals
0:48:34  Complex exponential signals
0:52:17  Complex exponential signals in discrete time
0:53:56  Discrete-time sinusoids are 2pi-periodic
0:59:52  When are complex sinusoids periodic?

Follows Section 2.1 of the textbook (Proakis and Manolakis, 4th ed.).

YouTube url:	https://www.youtube.com/watch?v=hVOA8VtKLgk&list=PLuh62Q4Sv7BUSzx5Jr8Wrxxn-U10qG1et&index=2
Created:	30. 6. 2021 19:39:34

CaptionsMaker.com

DSP Lecture 1: Signals