• 2022-05-27
    3. 若[img=15x17]1803bac3ef45768.png[/img]为零均值、同方差、无自相关序列(即白噪声序列),则下列属于平稳序列的是( )
    A: [img=151x22]1803bac3f8013a7.png[/img]
    B: [img=170x23]1803bac3ffcae56.png[/img]
    C: [img=139x23]1803bac4080fcdb.png[/img]
    D: [img=152x23]1803bac40ff56be.png[/img]