Signals and Systems

ADDITIONAL SOLVED EXAMPLES

 

Example 2.5 Obtain the Fourier series of the waveform shown in Fig. E2.5.

 

 

Fig. E2.5

Solution

At any value of t, the function f(t) is given by

 

 

Example 2.6 Obtain the Fourier series expansion of the rectified sine wave shown in Fig. E2.6.

 

 

Fig. E2.6

Solution

The equation of the half sine wave is

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