谐波频率估计为信息科学在信号处理领域的一个重要组成部分。本文归纳了谐波频率估计的分析方法,指出了谐波频率估计的国内外研究现状。讨论、比较了基于不同统计量理论的谐波频率估计方法的原理和算法,以及它们之间的相互关系。在此基础上,对基于分数低阶统计量的谐波频率估计方法研究前景进行了展望。 Harmonic frequency estimation is an important part of information science in the field of signal processing. This paper summarizes the analysis methods of harmonic frequency estimation, and points out the research status of harmonic frequency estimation at home and abroad. Discusses and compares the principles and algorithms of harmonic frequency estimation based on different statistics theory and their interrelations. On this basis, the prospect of harmonic frequency estimation based on fractional lower order statistics is forecasted.