• 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]
  •  根据序列线性加权([tex=0.5x0.786]gdMkE6SnyZedYLxpUxdkaQ==[/tex]  域微分)性质 若[tex=5.357x1.357]WUR+Lu9+kziXIWnQ2YxyaqWevhTCl/UXKNFQtVMFxLA=[/tex]则[tex=11.143x2.786]Eqo7G2TXs3zstOwMtaAbbju9uNXqoVTXS+au+ksvhu0qxuIigzPjsN7fwTHq7F1LWR4fAjM3GB1DCCtSJlZny8NsvoPlzqLIFQFDELZxBl7CGE31LHYSzCSwmToBnLPb[/tex]在此题中[tex=10.5x2.429]tfBwmdgCGkpwoWSaOV8hP4V/ZetANn4D8BLQCDmSXG32vuSMuA9UX2KriEEVLIyAR45mov6LxVLpKz70MsguGg==[/tex]因此[tex=19.0x2.929]o07z+1BEfaTT3ktXw0CIefoX89qEwUJ7FKLOxiSr87eUo0bsZQwJl2GkJ+NfRp/iOR/hirBqjjX7gudXt9SemGXB62Wk7AfWl0K1kjkvJtNqBKnjk3IxHBsXZiNmnOdlfCpRcyD/c5fGoaJvH+Uq9f8XhWIKJvmr/xCKAxd2UOM=[/tex][tex=9.071x2.571]VYJhgOL3cAb41BOTd7okiXoqGJYjxw4K+WLgRaFu5F/QwYIQR4d99PC0L4IF7MMwT8ilyshOWRrwTKmAabzTmINsxbvqwxB6MFrISe8NQZalT1A/OPlSdJRw7kBBaxFn[/tex][tex=13.214x2.786]ZVbKIIG+x4AfYtE3tpIKF78saMw3kE271b4roDXds7GF7VTnX6kdAzLxIwDNqNLH1QgxxwVxvAYnEMQUBb5wOg==[/tex]

    内容

    • 0

      利用[tex=0.5x0.786]gdMkE6SnyZedYLxpUxdkaQ==[/tex]变换求[tex=7.071x1.357]/2rRNI+vrQS7A7AwZDgzDiD+oCrq4ctGWvmNcpwuiZo=[/tex]其中[tex=10.571x1.357]5FsM3JZ6xrDrR80G5HQFE4DoMbLUPiarNjZmyvjwl/s=[/tex][tex=12.429x1.357]73jMwJpgXpaVM1HnYTWMfvV8LiI6ULV38s2PM/f2rs+tQpAgreKBa9EMJbUQLmCX[/tex]

    • 1

      求下列[tex=0.5x0.786]gdMkE6SnyZedYLxpUxdkaQ==[/tex]函数的反变换([tex=2.357x1.0]7uYv/Vl6CBg9JTOroBoExw==[/tex])。[tex=8.071x2.429]b5mSSTuf0rlXnj3vtPVYILfQMMTGikwJnvvxTfsaooVVybq0pfd6S9atoV7pP+XdBtoh3j+YnUO+q7Llede9pA==[/tex]

    • 2

      利用[tex=0.5x0.786]C7x+w8+jOPZzxFrGGne6Dw==[/tex]变换性质求下列序列的[tex=0.5x0.786]C7x+w8+jOPZzxFrGGne6Dw==[/tex] 变换。[tex=3.786x3.5]5sbZjHJjmQqT2d1og94RsZqL2SyeDIq/dUuUvDhJolU=[/tex]

    • 3

      利用[tex=0.5x0.786]C7x+w8+jOPZzxFrGGne6Dw==[/tex]变换性质求下列序列的[tex=0.5x0.786]C7x+w8+jOPZzxFrGGne6Dw==[/tex] 变换。[tex=4.0x2.643]DCuO3wEsQowtoGa5mB0/GIflPR6MhzuHmm1dgOr8CfhmGnk3Nh/oXkneQzf5a0Xt[/tex]

    • 4

      [color=#000000]试求下列函数的[tex=0.5x0.786]gdMkE6SnyZedYLxpUxdkaQ==[/tex]变换:[/color][tex=3.429x1.357]rfOglxY4yMPIRekUZ7VeHA==[/tex]