With CPM, estimates of activity durations are based on historical data and are assumed to be the mean or average time that the activity has taken to perform in the past.
CPM的活动历时估算通常以历史数据为基础，并且采用以往项目活动历时的平均值。
One of the key techniques is to reduce the peak-to-average power ratio (PAPR) of the OFDM-CPM system.
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.
降低OFDM - CPM系统中的峰值平均功率比(PAPR)是关键技术之一。
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