在本论文中，我们采用高频宽效率的正交分频多工调变系统。

In this thesis, we adopt the bandwidth-efficient OFDM system, which can adjust efficiency of bandwidth usage.

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点对点：允许使用这共用档案、电脑能力、 网路、频宽、和容量的电子档案交换系统。

Peer-to-peer: Electronic file swapping systems that allow users to share files, computing capabilities, networks, bandwidth and storage.

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例如，您可记录网路的高频宽使用率和低频宽使用率的时间，以确保系统进程(如备份)不会干预使用者活动。

For example, you could note high and low bandwidth-utilization times for your network to ensure that systems processes such as backups don't interfere with user activities.

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