Use Reassign-Smooth-Pseudo-Wigner-Ville Distribution (RSPWVD) as time-frequency analysis tool disposal multi-component signal with arbitrary form frequency modulation law.

• 摘要为了能对提高高斯色噪声中正弦信号的检测能力，提出了二阶自相关和四阶累积量预处理的信号相位匹配检测法。