2022-04-29から1日間の記事一覧
\begin{equation} S(r) = \sum_{k=0}^{N-1} s(k) {\rm cos}( \frac{2 \pi} {N} (k+ \frac{1}{2} + \frac{N}{4})(r+ \frac{1}{2})) ただし(r = 0~N/2-1) \end{equation} \begin{equation} = \frac{1}{2}( \sum_{k=0}^{N-1} s(k) {\rm exp}(i \frac {2 \pi} {…