EE 311
Hour Exam 2
Name_
March 1, 2013
1. Windowed filters are created by multiplying a desired impulse response with a window
function in the time domain. Why then is the main lobe width of a window function in
the frequency domain important to the desig
EE 311
Final Exam Review 2
Spring 2013/14
Final Exam is Friday, May 2, 2014 at 8:00am
1. Explain how you can use MATLAB to quantize the coefficients of a filter.
2. Suppose that an analog temperature sensor produces output voltages to indicate
temperature
EE 311
Hour Exam 1
Name_
February 7, 2014
1. IIR filters have a feedback path and FIR filters do not. What would you expect to be
the result of small errors in the formulation of the coefficients for these two systems?
Would the impact of such an error be
EE 311
Final Exam Review
Spring 2013/14
Final Exam is Friday, May 2, 2014 at 8:00am
1. The final exam will be similar to the old exams except for the new material
covered since Hour Exam 3.
2. The first page will be mostly short answer questions. Here is
EE 311
Fast Fourier Transform
To show how the FFT can be done we take N to be a power of 2 and break the DFT up into two
sequences of even and odd terms.
F(k )
N 1
f ( n)e
j
2kn
N
n0
n even
N 1
f ( n)e
j
2kn
N
n0
n odd
This equation can be simplified b
EE 311
Notes on Functions
Spring 2013
In MATLAB a script is an m-file which is a list of MATLAB commands. Scripts do
not accept or return arguments to the calling program although the variables in a script
are available in the command window after the scr
EE 311
Assignment 01
January 12, 2015
Due: January 14, 2015
Instructions: Download this file as a Word document and type your answers directly
under each question. In cases such as problem 5 where mathematical formulae and
derivation are required you may
EE 311
Assignment 03
January 16, 2015
Due: January 21, 2015
Instructions: Download this file as a Word document and type your answers directly
under each question. In some cases where mathematical formulae and derivation are
required you may copy the ques
EE 311
Assignment 05
January 23, 2015
Due: January 26, 2015
Instructions: Download this file as a Word document and type your answers directly
under each question. In some cases where mathematical formulae and derivation are
required you may copy the ques
EE 311
Assignment 02
January 14, 2015
Due: January 16, 2015
Instructions: Download this file as a Word document and type your answers directly
under each question. In cases such as problem 5 where mathematical formulae and
derivation are required you may
EE 311
Assignment 0
January 12, 2015
Due: January 26, 2015
Construct an audio speaker using a magnet, coil of wire, and a speaker cone made from
readily available materials. See the video at
http:/csserver.evansville.edu/~blandfor/EE311/StyrofoamSpeaker.m
EE 311
Assignment 04
January 21, 2015
Due: January 23, 2015
Instructions: Download this file as a Word document and type your answers directly
under each question. In some cases where mathematical formulae and derivation are
required you may copy the ques
EE 311
Assignment 07
January 30, 2015
Due: February 2, 2015
Instructions: Download this file as a Word document and type your answers directly
under each question. In some cases where mathematical formulae and derivation are
required you may copy the ques
EE 311
Assignment 06
January 26, 2015
Due: January 30, 2015
For this assignment you will obtain the frequency response of the speaker you
constructed in Asn 0. Do this in two ways:
First use the sweep generator to obtain the response of the speaker over t
EE 311
Hour Exam 2
Name_
March 7, 2014
b0 z M + b1 z M 1 + + bm
zM
b z M +1 + b1 z M + + bm z
A) If I multiply the numerator by z I get H ( z ) = 0
zM
What are the implications for implementation on a real system?
1. Suppose I have an FIR filter given by
EE 311
Hour Exam 3 Review Questions
April 4, 2014
1. An analog filter has a cutoff frequency of c. To make a digital filter using the BLT, this
cutoff frequency is prewarped to a new frequency called prewarp. What happens to c and
prewarp as the sample fr
EE 311
Hour Exam 2 Review
February 25, 2013
1. Phase curves for all practical filters always have a negative slope. Why?
2. Describe a method whereby you could determine the frequency response plot for a filter when
you have measurements of the impulse re
EE 311
Exam 1 Review
February 5, 2014
1. Explain why one would expect an IIR filter to be computationally more efficient for a given
algorithm than an FIR filter.
2. FIR filters do not have a feedback path. What are the implications of this for system sta
EE 311
Hour Exam 1
Name_
February 1, 2013
1. At what sampling frequency must the signal f(t) below be sampled in order that no
information is lost in the sampling._Hz
f (t ) = 3 + 2 Sin(120 t ) + Cos (240 t ) + 15Sin(360 t + 30 o )
2. Write the transfer f
EE 311
Hour Exam 3
Name_
April 5, 2013
1. An ideal filter has an impulse response given by
h(nT) = e-n = cfw_1.0, 0.3679, 0.1353, 0.0498, 0.0183, 0.0067, 0.0025,
Find the transfer function for an IIR filter using Pade's method if M = N = 1. Show your wor
EE 311
Hour Exam 3 Review Questions
April 1, 2013
1. An analog filter has a cutoff frequency of c. To make a digital filter using the BLT, this
cutoff frequency is prewarped to a new frequency called prewarp. What happens to c and
prewarp as the sample fr
EE 311
Exam 1 Review
February 2, 2015
1. Explain why one would expect an IIR filter to be computationally more efficient for a given
algorithm than an FIR filter.
2. FIR filters do not have a feedback path. What are the implications of this for system sta
EE 311
Assignment 08
February 9, 2015
Due: February 11, 2015
Instructions: Download this file as a Word document and type your answers directly
under each question. In some cases where mathematical formulae and derivation are
required you may copy the que
EE 311
Assignment 14
February 25, 2015
Due: February 27, 2015
Instructions: Download this file as a Word document and type your answers directly
under each question. In some cases where mathematical formulae and derivation are
required you may copy the qu
EE 311
Assignment 11
February 16, 2015
Due: February 18, 2015
Instructions: Download this file as a Word document and type your answers directly
under each question. In some cases where mathematical formulae and derivation are
required you may copy the qu
EE 311
Assignment 12
February 18, 2015
Due: February 20, 2015
Instructions: Download this file as a Word document and type your answers directly
under each question. In some cases where mathematical formulae and derivation are
required you may copy the qu
EE 311
Assignment 09
February 11, 2015
Due: February 13, 2015
Instructions: Download this file as a Word document and type your answers directly
under each question. In some cases where mathematical formulae and derivation are
required you may copy the qu
EE 311
Assignment 13
February 20, 2015
Due: February 23, 2015
Instructions: Download this file as a Word document and type your answers directly
under each question. In some cases where mathematical formulae and derivation are
required you may copy the qu
EE 311
Assignment 10
February 13, 2015
Due: February 16, 2015
Instructions: Download this file as a Word document and type your answers directly
under each question. In some cases where mathematical formulae and derivation are
required you may copy the qu