根據傅里葉級數用matlab實現週期信號分解

週期方波信號 x ( t ) = ∑ n = 1 ∞ b n s i n ( n ω t ) x(t) = \sum_{n=1}^{\infty}b_nsin(n \omega t) x(t)=n=1∑∞​bn​sin(nωt) b n = { 0 , n = 2 , 4 , 6 , . . . 4 n π , n = 1 , 3 , 5 , . . . b_n = \begin{cases} 0

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