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Friday, October 5, 2012

anna university third semester question banks/Paper free download


Third Semester (B.Tech)
Question Bank
Topic – Fourier Series, Fourier Transform and Harmonic Analysis

Q1       Find the Fourier series to represent the function , given by
           
            Deduce that
Q2       Find the Fourier transforms of
                       
            Hence evaluate
                       
Q3       Obtain a Fourier expansion for  in the interval .
Q4       Obtain the Fourier expansion
            and hence deduce that
                        1

Q5       Find the first three harmonics for the function by the following table:-
           
0
60
120
180
240
300
360
0.8
0.6
0.4
0.7
0.9
1.1
0.8

Q6       Use the integral , to prove that the Fourier transform of  is
            .
Q7       Obtain the Fourier series for the function f(x) given by
     

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