信号与系统习题求助!已知f(t)=2(1-| t |/4)[u(t+1)-u(t-1)]也就是一个三角型脉冲啦!设其频谱函数为F(w),不通过求F(w)而求下列各值:F(0),F(w)在负无穷到正无穷上对w的积分.并解释其“物理意义”.
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/30 12:32:39
![信号与系统习题求助!已知f(t)=2(1-| t |/4)[u(t+1)-u(t-1)]也就是一个三角型脉冲啦!设其频谱函数为F(w),不通过求F(w)而求下列各值:F(0),F(w)在负无穷到正无穷上对w的积分.并解释其“物理意义”.](/uploads/image/z/6970109-5-9.jpg?t=%E4%BF%A1%E5%8F%B7%E4%B8%8E%E7%B3%BB%E7%BB%9F%E4%B9%A0%E9%A2%98%E6%B1%82%E5%8A%A9%21%E5%B7%B2%E7%9F%A5f%28t%29%3D2%281-%7C+t+%7C%2F4%29%5Bu%28t%2B1%29-u%28t-1%29%5D%E4%B9%9F%E5%B0%B1%E6%98%AF%E4%B8%80%E4%B8%AA%E4%B8%89%E8%A7%92%E5%9E%8B%E8%84%89%E5%86%B2%E5%95%A6%21%E8%AE%BE%E5%85%B6%E9%A2%91%E8%B0%B1%E5%87%BD%E6%95%B0%E4%B8%BAF%28w%29%2C%E4%B8%8D%E9%80%9A%E8%BF%87%E6%B1%82F%28w%29%E8%80%8C%E6%B1%82%E4%B8%8B%E5%88%97%E5%90%84%E5%80%BC%EF%BC%9AF%280%29%2CF%28w%29%E5%9C%A8%E8%B4%9F%E6%97%A0%E7%A9%B7%E5%88%B0%E6%AD%A3%E6%97%A0%E7%A9%B7%E4%B8%8A%E5%AF%B9w%E7%9A%84%E7%A7%AF%E5%88%86.%E5%B9%B6%E8%A7%A3%E9%87%8A%E5%85%B6%E2%80%9C%E7%89%A9%E7%90%86%E6%84%8F%E4%B9%89%E2%80%9D.)
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