假设<img src="https://static.zxtiku.com/wangke/imgs/topic/9af753309b567ce03b562c01e5bf0b9d.jpg"/>，则当<img src="https://static.zxtiku.com/wangke/imgs/topic/857f1bb6c5ceb06d86807bd701a0be0a.jpg"/>时，其自相关函数为<img src="https://static.zxtiku.com/wangke/imgs/topic/de73bf3c5cab729d3b3a3444708991d5.jpg"/>。<br/> A、正确<br/> B、错误