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Solved Problems-2

Problems-2
Find the Fourier series of the function whose periodic waveform is shown in the below figure and plot its frequency spectra.
 
Description: Description: 1157.png
 
 
Solution
The function is even
 
∴ Description: Description: 2783.png
 
∴ Description: Description: 2791.png
 
∴ Description: Description: 2797.png
 
Description: Description: 2806.png
 
Description: Description: 2812.png Description: Description: 2818.png
 
Description: Description: 2824.png
 
Description: Description: 2830.pngn = 1, 5, 9 …
 
Description: Description: 2836.pngn = 3, 7, 11, …
 
∴ Description: Description: 2842.png 

Line Spectra
Description: Description: 1215.png
 
Description: Description: 1222.png
 





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