折り返し雑音についてわかりやすい記事 https://toragi.cqpub.co.jp/Portals/0/backnumber/2008/01/p224-225.pdf

雑音について

https://books.google.co.jp/books?id=Dc0nAwAAQBAJ&pg=PA87&lpg=PA87&dq=%E8%A3%9C%E9%96%93%E9%9B%91%E9%9F%B3&source=bl&ots=1A6o5StNy5&sig=ACfU3U1sPvaFM8xWZ8dYIuDxVef4fVG7wA&hl=ja&sa=X&ved=2ahUKEwiHheOxtb7sAhWDyYsBHS6yCVI4ChDoATAGegQICRAC#v=onepage&q=%E8%A3%9C%E9%96%93%E9%9B%91%E9%9F%B3&f=false