问答题
用拉普拉斯变换的性质求图各波形函数的拉普拉斯变换。
【正确答案】
【答案解析】解 (a)
(b)
(c)f 3 (t)=f 2 (t)+(2-t)f 1 (t)=f 2 (t)+2f 1 (t)-tf 1 (t)
(d)
(b)
(c)f 3 (t)=f 2 (t)+(2-t)f 1 (t)=f 2 (t)+2f 1 (t)-tf 1 (t)
(d)