摘要
高阶谱分析是信号处理领域的一种新方法，近年来得到迅速发展。本文介绍几种利用高阶谱知识恢复信号相位信息的非参数方法。
The analysis of high-order spectra is a new method in the field of signal processing,and havegained development recently.Several nonparametric methods for signal phase recovery from high-orderspectra are reviewed and described.
