Name Exam 3 363M CM
1. (25 points) Finding the energy in a given bandwidth
For the signal x(t) with spectrum shown below:
. _ . _ _ _ _ _ _ -_.
. _ . _ _ _ _ . _ . _ . _ _ . -g
O
-100
£0 -60 40 -20 0 20 4O 60 80 100
Frequency (radians
Xawxil Perl/2065
Name CM
Problems 1-4 are worth 4 points each.
t
1. Which of the following statements is the best simplication of: bel t0)5 (/l)d x1
2
a)0 b) x(tt0)5(t) x(t0)u(t) d) x(t0)5(t) e) none ofthese xOc'to)
; x073) 5m
2 . The average p
ECE 300
Signals and Systems
Homework 6
Due Date: Tuesday October 16, 2007 at the beginning of class
Exam 2I Thursday October 18I 2007
Problems:
1. Assume x(t) has the spectrum shown below (the phase is shown in radians) and a
fundamental frequency a)
ECE 300
Signals and Systems
Homework 5
Due Date: Tuesday October 9, 2007 at the beginning of class
Problems:
1. Determine the complex Fourier series coefcients for the following periodic signals:
a) x(t) = 1 + cos(2t) + 3 cos[4t +
b) x(t) = 0052(21)