本文研究了收发双方存在载波频差时利用累积量实现调制分类这一实际问题，提出一种改进的基于累积量的信号分类算法。

An improved algorithm for classification of MDPSK signals based on cumulants is presented in this paper, which is robust to the error of the carrier synchronization.

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针对多径信道中MPSK信号的调制分类问题，提出一种新的基于高阶累量的分类算法。

A new algorithm based on higher order cumulants is proposed for classification of MPSK signals in multipath channel environments.

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一个BCI系统是由信号采集、特征提取、分类算法、命令输出等单元组成。

A typical BCI system consists of several parts, such as signal acquisition, feature extraction, classification algorithm, command output and so on.

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