• 2022-05-28
     已知离散时间单位阶跃信号  [tex=2.0x1.357]iZD6NkhBJKglclpk41Y0Tg==[/tex]的  [tex=0.5x0.786]C4QYj735kvdXFh+j8eTFZg==[/tex] 变换为 [tex=6.286x2.429]6bHRnXEcE3YuYgsZEcLaS9iRCWd9qeKmCIv7GxEBSgA=[/tex]利用  [tex=0.5x0.786]gdMkE6SnyZedYLxpUxdkaQ==[/tex]变换的性质求下列信号的[tex=0.5x0.786]gdMkE6SnyZedYLxpUxdkaQ==[/tex] 变换 [tex=3.0x1.5]lcNYeOjHojd31JjlC3RNbQ==[/tex]