[理工] [工數] 傅立葉級數一問
各位大大好 初次來這個版問問題 希望大家多多指教 好了廢話不多說
題目:
參考函數:f(t) = 2 , o <= t <= 1
0 , 1 <= t <= 3
一、求傅立葉級數之半波正弦展開式(Half-Wave Sine Expansion)
二、求傅立葉級數之半波餘弦展開式(Half-Wave Cosine Expansion)
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小弟疑惑的地方在於
一、區間t在1到3之間已經說是0了,那這樣我應該就不能直接從0到1對函數做展開吧?
二、如果對整個函數t在0到3之間做最初始的展開,那又要怎麼符合題目問的正弦餘弦
展開呢?
謝謝各位大大的解惑。:)
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