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Signals and Systems by Smarajit Ghosh

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ADDITIONAL SOLVED EXAMPLES

 

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

 

image

 

Fig. E2.5

Solution

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

 

image
image

 

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

 

image

 

Fig. E2.6

Solution

The equation of the half sine wave is

Here ...

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