• 2022-06-12
    已知信号的频谱[tex=2.643x1.357]xVGH50na8B3EKfptmWXbwg==[/tex]如题4-14所示,试求信号[tex=2.286x1.286]I9vHB/dIxHr1f2z1yh63GA==[/tex]。[img=275x156]17d4ffe9a1ad6a2.png[/img]