第0 个元素()的脉冲: >>>fromscipyimportsignal>>>signal.unit_impulse(8) array([1.,0.,0.,0.,0.,0.,0.,0.]) 脉冲偏移 2 个样本(): >>>signal.unit_impulse(7,2) array([0.,0.,1.,0.,0.,0.,0.]) 二维脉冲,居中: >>>signal.unit_impulse((3,3),'mid') array([[0.,0.,0...