The periodic waveform f(t) shown in Figure 12.26 may be written as where g(t) represents an odd

Question:

The periodic waveform f(t) shown in Figure 12.26 may be written as

f(t) = 1 + g(t)

where g(t) represents an odd function.

(a) Sketch the graph of g(t).

(b) Obtain the Fourier series expansion for g(t), and hence write down the Fourier series expansion for f(t).


Figure 12.26

f(t) A 2 10  -5 4 - -2   2 3 4 t

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