 t g(t) \quad&\Longleftrightarrow\quad G'(\omega)\\
     \delta(t) \quad&\Longleftrightarrow\quad  1\\
      \delta(t-t_o)\quad& \Longleftrightarrow \quad e^{-i  \omega t_o}\\
      \frac{1}{2}\delta(t-t_o)+\frac{1}{2} \delta(t+t_o)\quad &\Longleftrightarrow \quad  \cos( \omega t_o)\\
     f(t)g(t) \quad & \Longleftrightarrow \quad \int_{-\infty}^{\infty} F(\nu) G(\omega-\nu) d\nu
\end{align}`

These could also have been inferred from the forward reflection equations by noting the symmetry of the Fourier pa