TEST BANK FOR Signals and Systems Analysis of Signals Through Linear Systems By M.J. Roberts
Harvard University
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Exam (elaborations) TEST BANK FOR Signals and Systems Analysis of Signals Through Linear Systems By M.J. Roberts (Solution manual)
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Exam (elaborations) TEST BANK FOR Signals and Systems Analysis of Signals Through Linear Systems By M.J. Roberts (Solution manual) 
Mathematical Description of Signals 
Solutions 
1. If g(t) = 7e−2t −3 write out and simplify 
(a) g(3) = 7e−9 
(b) g(2 − t) = 7e−2(2−t)−3 = 7e−7+2t 
(c) g 
t 
e 
t 
10 
4 7 5 
11 + 
 
 
= − − 
(d) g( jt) = 7e− j 2t −3 
(e) 
g g 
cos 
jt jt 
e 
e e 
e t 
( ) + (− ) j t j t = 
+ 
− = ( ) 
− 
− 
2 
7 
2 
3 7 2 
2 2 ...
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