ECE352: Signals and Systems II Winter 2016
LAB ASSIGNMENTS AND INSTRUCTIONS
The laboratory component of ECE352 has total four lab assignments.
The lab
assignments apply time-domain and transform-domain concepts, learned in both ECE351
and 352, as well as
Lecture 3. 01/18/2017
Part 1. Signal Processing in Communication:
Amplitude Modulation
Communication system
Message signal
Ideal result
FCC partitioned and assigned frequency intervals for different usages
Mobile Comm.
Radio
Communication system
Message s
Lecture 2. 01/13/2017
Review of ECE 351:
Fourier representation
Fourier Representation
Time
property
Periodic
Nonperiodic
Fourier Series (FS)
Continuous
time
(t)
x(t )
X [k ]e jk0t , 0
k
X [k ]
Fourier Transform (FT)
2
T
1 T
jk 0t
x
(
t
)
e
dt ,
0
ECE 352 Winter 2017 - Homework 1. Fourier representation of signals
(Due: 1/25/2017, Wednesday. In class)
Problem 1. (Properties of FT) Let X(j) and Y (j) denote the Fourier transform
(FT) of x(t) and y(t) respectively. Using the FT and inverse FT formula
Part 2. Fourier Representation of
Mixed Signal Class
Fourier representation of mixed signal class
Mixed signal class:
Mixture of periodic signal and non-periodic signal
LTI system response to a periodic signal:
Sampling (continuous time representation
clear all
clc;
clf
a = [0 1; .14 .5];
b = [0 1]';
c = [0 25];
d = 0;
ps = [0 0]';
for (k=1:1:21)
x = 11*heaviside(k);
ns = a*ps+b*x;
y = c*ps+d*x;
Array(:,k)=[k,y]';
stem(k,y);
hold on;
ps=ns;
end
disp(Array);
ECE 352
Prof. Clymer
Midterm Exam 1
January 29, 2010
48 minutes
Printed Name:
Write the Honor Code Pledge here:
Signed:
Please WRITE OUT the Honor Code Pledge:
No aid given, received or observed, and
sign your name on the exam before your turn it in.
DO N
ECE 352
Prof. Clymer
Final Exam
March 15, 2010
1 hour 48 minutes
Printed Name:
Write the Honor Code Pledge here:
Signed:
Please WRITE OUT the Honor Code Pledge:
No aid given, received or observed, and
sign your name on the exam before your turn it in.
DO
ECE 352
Prof. Clymer
Midterm Exam 2
February 26, 2010
48 minutes
Printed Name:
Write the Honor Code Pledge here:
Signed:
Please WRITE OUT the Honor Code Pledge:
No aid given, received or observed, and
sign your name on the exam before your turn it in.
DO
Problem 2.3-2.6:
clear all
clc;
clf;
a = [0 1; .14 .5];
b = [0 1]';
c = [0 25];
d = 0;
ps = [0 0]';
for (k=1:1:21)
x = 11*heaviside(k);
ns = a*ps+b*x;
y = c*ps+d*x;
Array(:,k)=[k,y]';
stem(k,y);
hold on;
ps=ns;
end
disp(Array);
Columns 1 through 10
1.0000
ECE 3640
Lecture 2 Z Transforms
Objective: Z-transforms are to dierence equations what Laplace transforms are
to dierential equations. In this lecture we are introduced to Z-transforms, their
inverses, and their properties.
We will also solve dierence equ
ECE352
Signals and Systems II
Winter 2017
Laboratory 3 Assignment
ANALOG FILTERS: TEMPORAL AND FREQUENCY
CIRCUIT ANALYSIS
Lab Dates: Weeks 5 and 6
Lab Report Due Date: At the beginning of your lab session in Week 7 (Feb. 20-24)
Bring to Lab: Scope probes
ECE352: Signals and Systems II Winter 2017
Laboratory 1 Assignment
DATA ACQUISITION, IMPORT, AND EXPORT
Lab Dates: Week 1-2
Lab Report Due Date: At the beginning of your lab session in Week 3 (Jan 23 - 27).
1. Introduction
This laboratory will familiarize
Lecture 1. 01/11/2017
Review of ECE 351
gtm (13% ME 2
W (EM/(cfw_mlse Wain) Signal
1 /
Signal: aKfunction of time describing evolution of certain quantity.
/
Notation: \
Continuous JVW
(/7
o 513(t), y(t), : continuous time (CT) signal
0 96M, y[n], :
1
I. H OMEWORK 8
A. Problem 1
A pair of random variable X and Y has joint pdf function given by
21x2 y 3 , 0 x y 1;
fXY (x, y) =
0,
otherwise.
Please, find COV[X, Y ] and (X, Y ).
B. Problem 2
A pair of random variable X and Y has joint pdf function giv
ECE353: Intro. to Probability and Random Signals
Dr. Raviv Raich
Midterm I (April 30, 2013)
The duration of the exam is 80 minutes (2:00pm-3:20pm). This is a closed-book exam. Only one sheet of
formulae is allowed. No calculators are allowed. Unless other
ECE353: Intro. to Probability and Random Signals
Dr. Raviv Raich
Midterm I (April 30, 2013)
The duration of the exam is 80 minutes (2:00pm-3:20pm). This is a closed-book exam. Only one sheet of
formulae is allowed. No calculators are allowed. Unless other
ECE353: Intro. to Probability and Random Signals
Dr. Raviv Raich
Midterm I (May 3, 2012)
The duration of the exam is 80 minutes (2:00pm-3:20pm). This is a closed-book exam. Only one sheet of
formulae is allowed. No calculators are allowed. Unless otherwis
ECE353: Intro. to Probability and Random Signals
Dr. Raviv Raich
Midterm I (April 26, 2016)
The duration of the exam is 80 minutes (2:00pm-3:20pm). This is a closed-book exam. Only one sheet of
formulae is allowed. No calculators are allowed. Unless other
ECE 323
Homework 1
1) Determine the region of operation of M1 in each of the circuits below.
Assume VTHN = |VTHP| = 1 V.
(a)
(c)
(b)
M1
M1
0.5 V
1. 7 V
2V
M1
2V
1V
1.7 V
(e)
(d)
M1
2V
0.7 V
(f)
M1
2V
M1
0.1 V
M1
2V
0.1 V
2V
1.5 V
(i)
(h)
(g)
1V
M2
1.3 V
M
ECE 323
Homework 1
1) Determine the region of operation of M1 in each of the circuits below.
Assume VTHN = |VTHP| = 1 V.
(a)
(c)
(b)
M1
M1
0.5 V
1. 7 V
2V
M1
2V
1V
1.7 V
(e)
(d)
M1
2V
0.7 V
(f)
M1
2V
M1
0.1 V
M1
2V
0.1 V
2V
1.5 V
(i)
(h)
(g)
1V
M2
1.3 V
M
ECE323
Homework 2
Find expression for Rin, Rout and small signal voltage gain (Av=GmRout) for the circuit shown below.
Assume: 1) ro=, 2) All transistor are biased in saturation.
3)
2)
1)
RD
RD
RG
Vout
RG
Vout
RG
Vin
Rs
Vi