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DescriptionSignals and Systems Theory and Lab – Week 1 Lab
ET382 W1 Lab
Lab 1 – Introduction
1.
2.
3.
4.
Watch video entitled “Module 1 – Introduction to MATLAB”
Download and review the Supplemental Questions section on plotting signals.
Work the two problems below.
Include answers for Problems and include MATLAB coding along with any output plots
that support solutions into one Word document entitled “Lab1_StudentID”. Where your
student id is substituted in the file name.
5. Upload file “Lab1_StudentID”.
In this lab, you will create and analyze a number of continuous and discrete-time
sinusoids using MATLAB.
IMPORTANT NOTE: You must include screenshots of MATLAB coding and MATLAB
outputs in your lab submission. The screenshots MUST have the date and time stamp
from Windows that appears in the lower right corner of the screen or else the lab will be
worth 1%. See example below.
Activity 1:
Consider the discrete-time signal and assume N=12.
.
For M = 4, 5, and 10, plot xM[n] on the interval 0 ≤ n ≤ 2N-1. Use stem in MATLAB to create
your plots, and be sure to appropriately label your axes. (You can copy your plots by selecting
Edit > Copy Figure at the top of the figure pane.) Using Insert –> Arrow at the top of the figure
pane, insert an arrow to indicate the end of the first period and beginning of the next period.
Activity 2:
Consider the following two signals:
Assume N = 6 for signal x1[n]. Plot each signal separately for the interval of 0 ≤ n ≤ 24. Use
stem and label your axes.
Question:
1. Are the signals periodic? Explain.
Please fill out and use the following Lab Report Template when submitting your lab work.
Please read and follow the guidelines given in the Solutions Template in submitting all of your
lab work.
Establishes an understanding of continuous- 40
time and discrete-time signals and systems
Demonstrates the ability to perform
numerical analysis and symbolic
computations
40
Uses graphics, numerical expressions and
tables to illustrate ideas
Excellent
Competent
Needs
Improvement
Numerical
Numerical
The need for
expressions,
expressions,
graphical or
images, tables, images, tables, numerical
and graphs are and graphs are information is
used as needed generally used recognized but
and are in the as needed and presentation is
proper format. are in the
flawed or such
proper format information is
with few errors. not provided but
needed to
illustrate ideas.
10
5
3
Provides a well written report ( Following
10
APA formatting, including figures, equations
and answer to the questions)
TOTAL
100
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