图9-1所示周期序列,周期N=4,求 .

图9-1所示周期序列<img src='https://img2.soutiyun.com/ask/2020-12-02/975754795965151.png' />,周期N=4,求<img src='https://img2.soutiyun.com/ask/2020-12-02/975754803246568.png' />. <img src='https://img2.soutiyun.com/ask/2020-12-02/975754810644991.png' />

时间:2023-07-02 15:22:00

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