• 2022-07-01
    如果已知因果函数 [tex=1.643x1.357]Wfem9oxh0ZS7nZ3KGomKoQ==[/tex]的象函数[tex=6.929x2.429]sMR63Gd/hhMniuOXbiZJxvMt8CJ2qX74SbFbHjhZRE8=[/tex] 求下列函数的象函数。[tex=5.071x1.5]3diBFlE9Wiv+Rspi6BfH5UXBtxrWUqkqvbewQ7p8dY4=[/tex]
  • 由时移性质得[tex=8.643x1.429]scLLcMtNNN9XFTmh0FX2m/bK3pdKd3XkfxO43RpiuJ9aMHZZ5/o2ThFm9PHeBlfV[/tex][tex=10.143x2.357]GnLqj09IHWkhkoaay+sgZIMpZgQ69C6f/a96uPa0dGdvAdg8RHrQ+pw9K1wmeVUamm/vr8xpQyylVOamh3Qko0iVlWabB6b9auBLGLOjdVmMbLkfHgc8Kzp421A84jo1[/tex]由 [tex=0.5x0.786]BgHR5DBWke5rTEC5XEckiQ==[/tex]域平移性质得[tex=15.071x2.786]LNnKVny2+dqFwB4IpTqSi4vrAO52cM1lMar61MGbwNsw9zTFF4Dy0cwjQA7e/wYp92PYi4kUy8BnnHfPG6kzB9pNSM1cc2hskOmjbfSj9Hn9Npf5XSm3HYng75/liyN8irxxfke4DqG5iaKMQFST/g==[/tex]即[tex=21.714x2.929]2dgqB1OiNjA18cZ/94ipUaz+InO+fq7hBXku0c2kdxT/ku1H/iWQKP2/IiogyfHKzx7brPN0meuTeDV6Q22UP6hx1HuJP98FYm83sv153R1yAJ1tBI0CARUgxDxHkBhOu1EWRKW39YCn49PxkWgkji/T5h9vX6H3+FdxvFf/Dc/nHp0BOwNspQssTrL5ABl7W3hUjzSRgQ0rYJePEj7LrQ==[/tex]

    内容

    • 0

       求下列函数 [tex=1.643x1.357]Wfem9oxh0ZS7nZ3KGomKoQ==[/tex] 的像函数 [tex=1.929x1.357]CsHYmgN8a4Yt6bxTnBWLzw==[/tex].[p=align:center][tex=7.143x1.429]74el1besOXaNNqEzJQyjr1w00YnWqBe6Ohoph5qoEJg=[/tex]

    • 1

      设 [tex=4.143x1.571]xQ54rbOli9fFt+rQjU8KEtOO8yd3YMxufT3/ibitNXg=[/tex], 利用象函数的导数公式, 求 [tex=1.643x1.357]Wfem9oxh0ZS7nZ3KGomKoQ==[/tex] 的 Fourier 变换.

    • 2

      求下列函数 [tex=1.643x1.357]Wfem9oxh0ZS7nZ3KGomKoQ==[/tex] 的像函数 [tex=1.929x1.357]CsHYmgN8a4Yt6bxTnBWLzw==[/tex].[p=align:center] [tex=7.357x1.5]V92zCeihgNFbCDChhSEi98E8M59qocW5X5D7ZDTewTInQoHiPouyg2FdZodvC/Eh[/tex][br][/br]

    • 3

       求下列函数 [tex=1.643x1.357]Wfem9oxh0ZS7nZ3KGomKoQ==[/tex] 的像函数 [tex=1.929x1.357]CsHYmgN8a4Yt6bxTnBWLzw==[/tex]. [tex=6.071x1.5]JZIU9YUPuLdXRa8cIvnZ03rg7ub72ZXamt2+R+MRJp0=[/tex][br][/br]

    • 4

      求下列函数 [tex=1.643x1.357]Wfem9oxh0ZS7nZ3KGomKoQ==[/tex] 的像函数 [tex=1.929x1.357]CsHYmgN8a4Yt6bxTnBWLzw==[/tex].[p=align:center] [tex=9.786x1.5]tDq6lTjpW1wUdmFiOpG7uXtILH2dVr1NLDgqVYoS9ayn/ZZk07UJfOdNSQE7proYjrrpy88YT0K/376MPneU1g==[/tex][br][/br]