ECE 565 DIGITAL SIGNAL PROCESSING
Problem Set #3
Issued: Tuesday, February 23, 2016
Problem 1:
Due: Tuesday, March 1, 2016
Consider the following implementation of an interpolator (A/D) system:
x [n]
x0 (t )
Pulse
Generator
CT Filter
Hr (F )
xr (t )
Ts
Th
ECE 565 DIGITAL SIGNAL PROCESSING
Problem Set #2
Issued: Thursday, February 4, 2016
Problem 1:
Due: Thursday, February 11, 2016
Suppose we have a signal xc ( t ) that is bandlimited to 10 kHz. The maximum value
of xc ( t ) is 2 volts.
a) Suppose that we s
ECE 565 DIGITAL SIGNAL PROCESSING
Problem Set #1
Issued: Thursday, January 28, 2016
Problem 1:
Due: Thursday, February 4, 2016
Consider a system having impulse response h n = n + n 4 .
a) Find and plot the systems magnitude and phase responses (you can us
ECE 565 DIGITAL SIGNAL PROCESSING
Problem Set #1 (Solutions)
Issued: Thursday, January 28, 2016
Due: Thursday, February 4, 2016
Problem 1:
Consider a system having impulse response h n = n + n 4 .
a) Find and plot the systems magnitude and phase responses
Name: _
Problem #1: _
2: _
3: _
Total: _
ECE 565 DIGITAL SIGNAL PROCESSING
Exam 1
Thursday, February 19, 2015
1:00 P.M. - 2:10 P.M.
The exam is open book and open notes. You must show your work to receive partial credit. The
problem values are:
Problem #1
ECE 565 DIGITAL SIGNAL PROCESSING
Problem Set #2 (Solutions)
Issued: Thursday, February 4, 2016
Due: Thursday, February 11, 2016
Problem 1:
a) 64 levels 6 bits; b = 5
25000 samples/s 6 bits/sample = 150000 bits/s
V = 2 V Pq = 2
2b V
2
12
=2
10
(2)2 = 3.26
ECE 565 DIGITAL SIGNAL PROCESSING
Problem Set #3 (Solutions)
Issued: Tuesday, February 23, 2016
Due: Thursday, March 3, 2016
Problem 1:
a)
X0 ( F ) =
Xr ( F ) =
n=
n=
(
)
x n TsQ FTs e
(
j2 FnTs
)
x n Ts rect FTs e
(
= TsQ FTs
)
n=
(
j2 FnTs
= Ts rect F
ECE 565 DIGITAL SIGNAL PROCESSING
Problem Set #4
Issued: Tuesday, March 1, 2016
Problem 1:
Due: Tuesday, March 8, 2016
(Note: This problem involves calculating DFTs using MATLAB. To calculate the
N-point DFT of a signal x n (stored as a vector x), use the
ECE 565 DIGITAL SIGNAL PROCESSING
Issued: Tuesday, March 1, 2016
Problem 1:
Problem Set #4 (Solutions)
Due: Tuesday, March 8, 2016
a)
F =
1
1
=
= 8 Hz
NTs (128) 1
1024
b) Let X1 k denote the FFT of the windowed signal, and X1 ( f ) the
corresponding DFT.
Name: _
Problem #1: _
2: _
3: _
Total: _
ECE 565 DIGITAL SIGNAL PROCESSING
Exam 1
Thursday, March 12, 2015
1:00 P.M. - 2:10 P.M.
The exam is open book and open notes. You must show your work to receive partial credit. The
problem values are:
Problem #1
Pr