A presence detection algorithm based on the estimation of cyclic frequency for Phase Shift-Keying (PSK) signals in additive white Gaussian noise (AWGN) is proposed in this paper.

• 根据信号的循环平稳特性,本文提出一种加性高斯白噪声信道中基于循环频率估计的PSK信号存在性检测算法。