• 2022-06-04
    [img=170x106]17ae6b32c8864fe.png[/img]已知 [tex=1.643x1.357]Wfem9oxh0ZS7nZ3KGomKoQ==[/tex] 的波形如图题所示, 求 [tex=2.5x1.429]79SmwT+8J9VTqKDgDEyFq3k64q+Kpuk4WGGtqKZxc9U=[/tex]并画出 [tex=2.214x1.429]79SmwT+8J9VTqKDgDEyFq4Od+D7HyGfh3gUh4/tI68w=[/tex] 的波形图。