信号f1(t)和f2(t)如下图所示,f(t)=f1(t)*f2(t),则f(-1)等于http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/0749958f4da44655959aea343dbe4d9c.bmp
举一反三
- 已知f1(t)和f2(t)波形如下,若f(t)=f1(t)*f2(t),则f(0)=http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/e38151c6fa664a008f547dd1af821f92.bmp
- 已知f1(t)和f2(t)波形如下,若f(t)=f1(t)*f2(t),则f(0)= A: 1 B: 2 C: 3 D: 4
- 信号f1(t)和f2(t)如下图所示,f(t)=f1(t)*f2(t),则f(-1)等于[img=647x315]17869c198f03a3c.bmp[/img] A: -1 B: -0.5 C: 1 D: 1.5
- 信号f1(t)和 f2(t) 如下图所示,f =f1(t)* f2(t),则 f(-1)等于( )。[img=267x126]17da64cc3e94a6e.png[/img] A: 1 B: -1 C: -0.5 D: 1.5
- 信号f1(t)和 f2(t) 如下图所示,f =f1(t)* f2(t),则 f(-1)等于( )。[img=267x126]1786946b5308871.png[/img] A: 1 B: -1 C: -0.5 D: 1.5