如果海綿寶寶的傅里葉變換是派大星，
​那麼章魚哥就是個升餘弦拱降濾波器。

[{"url":"/img/posts/diary/260112/4.webp","alt":"","title":""},{"url":"/img/posts/diary/260112/5.webp","alt":"","title":""}]