Birla Institute of Technology & Science, Pilani  Hyderabad
Signals and Systems
EEE C324

Summer 2010
I;I' .1.L I ' :_‘
ECEN 4503 Quiz #4 14 February 2014 Name “’J “ ‘ *
l} Lat a random variable X = the number of cmcrgt‘nay calls raaaivacl at a ﬁre Slﬂlltll'l in a day. X
hat: tha Ihllawing distribution.
1a} [2] Campute ELK], the ai'arnga number afaall
Birla Institute of Technology & Science, Pilani  Hyderabad
Signals and Systems
EEE C324

Summer 2010
ECEN4503 Random Signals
Lecture #9
3 February 2014
Dr. George Scheets
Read 4.2  4.4
Problems 4.2  4.4, 4.9 (1 st Edition)
Problems 4.89 4.91, 4.23 (2nd Edition)
ECEN4503 Random Signals
Lecture #10
5 February 2014
Dr. George Scheets
Read 4.6
Problems 4.1
Birla Institute of Technology & Science, Pilani  Hyderabad
Signals and Systems
EEE C324

Summer 2010
ECEN4503 Random Signals
Lecture #22
4 March 2013
Dr. George Scheets
Read 7.1  7.4
Quiz #5 Results
Hi = 10, Low = 3.00, Average = 7.54, = 2.73
Central Limit Theorem
Adding together a bunch of S.I. random numbers?
The result tends towards
Gaussian.
Sum of
Birla Institute of Technology & Science, Pilani  Hyderabad
Signals and Systems
EEE C324

Summer 2010
ECEN4503 Random Signals
Lecture #15
17 February 2014
Dr. George Scheets
Problems: 2012 Exam #1
Quiz #5, 21 February ( < mappings)
Exam #1, 28 February
ECEN4503 Random Signals
Lecture #16
19 February 2014
Dr. George Scheets
Problems: 2013 Exam #1
Test F
Birla Institute of Technology & Science, Pilani  Hyderabad
Signals and Systems
EEE C324

Summer 2010
ECEN4503 Random Signals
Lecture #18
24 February 2014
Dr. George Scheets
Read 5.3 & 5.5
Problems 5.1, 5.4, 5.11
Exam #1 Friday
Quiz 4 Results
Hi = 10.0, Low = 2.3, Average = 8.29
= 1.89
ECEN4503 Random Signals
Lecture #19
26 February 2014
Dr. George Schee
Birla Institute of Technology & Science, Pilani  Hyderabad
Signals and Systems
EEE C324

Summer 2010
ECEN4503 Random Signals
Lecture #22
4 March 2013
Dr. George Scheets
Read 7.1  7.4
Quiz #5 Results
Hi = 10, Low = 3.00, Average = 7.54, = 2.73
Central Limit Theorem
Adding together a bunch of S.I. random numbers?
The result tends towards
Gaussian.
Sum of
Birla Institute of Technology & Science, Pilani  Hyderabad
Signals and Systems
EEE C324

Summer 2010
ECEN4503 Random Signals
Lecture #39
21 April 2014
Dr. George Scheets
Read 10.1, 10.2
Problems: 10.3, 5, 7, 12,14
Exam #2 this Friday: Mappings Autocorrelation
Wednesday Class ?
Quiz #8 Results
Hi = 10, Low = 0.8, Average = 5.70, = 2.94
ECEN4503 Random Sig
Birla Institute of Technology & Science, Pilani  Hyderabad
Signals and Systems
EEE C324

Summer 2010
ECEN4503 Random Signals
Lecture #24 & 25
24 & 26 March 2014
Dr. Read 8.5
George Scheets
Problems: 5.22, 8.3, 8.5, 8.6 (1st Edition)
Problems: 5.51, 8.8, 8.9, 8.10 (2nd Edition)
2013 ECEN4503 Break Points
A > 356 out of 440 points (81 %)
B > 299 out of 44
Birla Institute of Technology & Science, Pilani  Hyderabad
Signals and Systems
EEE C324

Summer 2010
ECEN4503 Quiz #1 21 January 2014 Name i/Wl’C/V/
1) Two boxes contain equal sized resistors. Box 1 contains eight 100 Q resistors and two 50‘ Q.
Box 2 contains 2 100 Q resistors and eighteen 50 Q. You grab a box at random, then grab a
resistor from that sa
Birla Institute of Technology & Science, Pilani  Hyderabad
Signals and Systems
EEE C324

Summer 2010
ECEN4503
Exam #1
18 February 2011
1) A red and white six sided fair die are thrown.
[25] Compute the probability that the number of dots showing on the red die differs from the
number of dots showing on the white die by + one dot. [Answer = 0.2778]
<>
2)
Birla Institute of Technology & Science, Pilani  Hyderabad
Signals and Systems
EEE C324

Summer 2010
2" 7[
can I s
scamsas Quizss 4r‘tpl'il1ﬂ14 Name eﬁiUﬁbr‘t
l} A ratlar eeho rtt} — pttleostinft + tit) + 11(th where pttj is the time varying amplitude ol'the
reeeived eeho, l' is the ratlar eenter frequeney, tit is a random phase angle, and ntt'j is rando
Birla Institute of Technology & Science, Pilani  Hyderabad
Signals and Systems
EEE C324

Summer 2010
ECEN4503
Exam #2
8 April 2011
1) A random signal z(t) is formed by adding together two statistically independent random
signals x(t) and y(t), i.e. z(t) = x(t) + y(t). Note that this is equivalent to stating a random voltage
Z equals the sum of two other
Birla Institute of Technology & Science, Pilani  Hyderabad
Signals and Systems
EEE C324

Summer 2010
ECEN4503
Exam #1
18 February 2013
Name_
1) The magnetic field intensity X at a point in interstellar space is know to be Exponentially
Distributed with a mean of 50 Gauss. Noting that the field intensity is a value > 0.
[25] Compute P(X > 75 Gauss). [Answ
Birla Institute of Technology & Science, Pilani  Hyderabad
Signals and Systems
EEE C324

Summer 2010
ECEN4503
Final Exam
2 May 2011
1) A zero mean, 5 watt, 10,000 bps random binary square wave x(t) is input to a differentiator,
yielding y(t) = d x(t).
dt
1a [20] Sketch SXX(). [You should sketch a sinc2 function with a peak value of 0.0005
watts/(rad/sec)
Birla Institute of Technology & Science, Pilani  Hyderabad
Signals and Systems
EEE C324

Summer 2010
ECEN4503
Exam #2
12 April 2013 Name_
1) A 5 Hz zero mean
sawtooth waveform x(t)
is input to a half wave
rectifier, yielding y(t).
A portion of x(t) and
y(t) is shown.
1a) [15] Find or sketch
the output voltage PDF
fY(y). [Answer: You
should sketch fY(y) =
Birla Institute of Technology & Science, Pilani  Hyderabad
Signals and Systems
EEE C324

Summer 2010
ECEN4503
Final Exam
3 May 2013
Name_
1) Suppose a Random Signals class has 21 students and 21 lectures. Each lect\ure one student is
randomly chosen as the Answer Person. Once a student has been picked they are ineligible to be
picked again, hence each st
Birla Institute of Technology & Science, Pilani  Hyderabad
Signals and Systems
EEE C324

Summer 2010
Block Diagrams
David W. Graham
EE 327
Block Diagrams
Symbolic representation of complex
signals
Easier to understand the relationships
between subsystems using block digrams
than by looking at the equations representing
them, or even schematics
Often e
Birla Institute of Technology & Science, Pilani  Hyderabad
Signals and Systems
EEE C324

Summer 2010
EE301 Signals and Systems Exam 1
InClass Exam Tuesday, Feb. 24, 2004
Cover Sheet
Test Duration: 70 minutes. Coverage: Chaps. 1,2,3 Open Book but Closed Notes. Calculators NOT allowed. This test contains two problems. All work should be done in the blue b
Birla Institute of Technology & Science, Pilani  Hyderabad
Signals and Systems
EEE C324

Summer 2010
EE301 Signals and Systems Exam 1
InClass Exam Thursday, Feb. 17, 2005
Cover Sheet
Test Duration: 75 minutes. Coverage: Chaps. 1,2,3 Open Book but Closed Notes. Calculators NOT allowed. This test contains two problems. All work should be done in the blue
Birla Institute of Technology & Science, Pilani  Hyderabad
Signals and Systems
EEE C324

Summer 2010
NAME:
EE301 Signals and Systems
26 September 2013
Exam 1
Cover Sheet
Test Duration: 75 minutes.
Coverage: Chaps. 1,2
Open Book but Closed Notes.
One 8.5 in. x 11 in. crib sheet
Calculators NOT allowed.
This test contains two problems.
All work should be d
Birla Institute of Technology & Science, Pilani  Hyderabad
Signals and Systems
EEE C324

Summer 2010
EE301 Signals and Systems Exam 1
InClass Exam Thursday, Feb. 15, 2007
Cover Sheet
Test Duration: 70 minutes. Coverage: Chaps. 1,2,3 Open Book but Closed Notes. Calculators NOT allowed. This test contains two problems. All work should be done in the blue
Birla Institute of Technology & Science, Pilani  Hyderabad
Signals and Systems
EEE C324

Fall 2011
Birla Institute of Technology and Science, Pilani.
EEE F243/ INSTR F243: Signals and Systems
AY: 201617, Semester: II
Date: 28 March 2017, Tuesday
Tutorial8
Q1. Determine and sketch (
point moving average system
) the magnitude and phase of
Q2. Let
deno
Birla Institute of Technology & Science, Pilani  Hyderabad
Signals and Systems
EEE C324

Fall 2011
BITS Pilani
Pilani Campus
Discrete Time Fourier Series
Frequency Domain representation
5/1/2012
Anu Gupta BITS PILANI
LTID system to everlasting exp. zk
5/1/2012
Anu Gupta BITS PILANI
BITS Pilani, Deemed to be University under Section 3 of UGC Act, 1956
5
Birla Institute of Technology & Science, Pilani  Hyderabad
Signals and Systems
EEE C324

Fall 2011
Circuits & Systems
EEE/ INSTR C271
BITS Pilani
Pilani Campus
p
ANU GUPTA
BITS Pilani
Pilani Campus
Sampling and Interpolation
Discrete system processing
Need of sampling
BITS Pilani, Deemed to be University under Section 3 of UGC Act, 1956
Discrete time p
Birla Institute of Technology & Science, Pilani  Hyderabad
Signals and Systems
EEE C324

Fall 2011
EEE / INSTR C272
CIRCUITS AND SIGNALS
BITS Pilani
Pilani Campus
ANU GUPTS
BITS, PILANI
BITS Pilani
Pilani Campus
Z Transform
GeneralisedTransform For DiscreteTime System Analysis
4/25/2012
Anu Gupta BITS PILANI
z transform
Laplace transform in disguise
T