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關於拉普拉斯有點小問題....

Jun 10th 2013, 06:37

在算電路學遇到一些拉普拉斯的問題

像是

V=100u(t) 轉換後= 100/S

然而 V=100i 轉換後=100 I

PS:I=電流 100=100歐姆

大寫I跟小寫i的差別是?

還有u(t)是啥東西(是積分的意思嗎?

課本裡寫d(10/S)/dS=10

所以要把分母的S消掉

要把原本的式子微分

所以我想把式子分母加上S

就要積分

是這個意思嗎?

有請神人解答 Orz....

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