• 2022-06-04
    设有序列[br][/br][tex=13.0x4.071]3wB9+KYiLr6n1tVOMDqMuDpsakhf+1TtgdMC21dvjltJ2lNRaCAMzxHtKpeSEBzJ0Fh6r5eCwIDlL6srQctSB4wjZ3QOS9A3JAye2YvB1SrF3zDQyrLlOi6q27HnYy/G1ZE9jnEYzNE6EdWpeUN23g==[/tex][br][/br]画出下面各序列的波形:[br][/br][tex=3.286x1.357]8snvK7Bo1xurebP0Bi7oNw==[/tex][br][/br][img=483x295]17a325c2c8760a7.png[/img]