两连续周期信号之和不一定是周期信号，而两周期序列之和一定是周期序列。下面卷积的等式正确的是（）卷积和满足下面哪些性质（）？锯齿信号的付氏级数为 ( )A:错 B:对答案: 对A:A:f(k)*δ(k) = f(k) B: f1(k –

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沏镶悼硕帽醒溅碱苇撮篙虎彤

两连续周期信号之和不一定是周期信号，而两周期序列之和一定是周期序列。下面卷积的等式正确的是（）卷积和满足下面哪些性质（）？锯齿信号的付氏级数为 ( )A:错 B:对答案: 对A:A:f(k)*δ(k) = f(k) B: f1(k – k1)* f2(k – k2) = f1(k – k1 – k2)* f2(k) C: D: f(k)*δ(k– k0) = f(k – k0) 答案: f(k)*δ(k) = f(k) ; f1(k – k1)* f2(k – k2) = f1(k – k1 – k2)* f2(k) ; ; f(k)*δ(k– k0) = f(k – k0)