针对于此，本文主要研究降低峰值平均功率比算法。

So this thesis studies the algorithms which reduce the PAPR.

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它的主要缺点是对频率同步比较敏感，并且峰值平均功率比（PAPR）过高。

Its main disadvantages are sensitivity to synchronization errors and high peak-to-average power ratio (PAPR).

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降低OFDM - CPM系统中的峰值平均功率比(PAPR)是关键技术之一。

One of the key techniques is to reduce the peak-to-average power ratio (PAPR) of the OFDM-CPM system.

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