This paper focuses on the research of the frequency estimation of DFH signal in (colored) Gaussian noise by using ARMA-based method with fourth-order cumulants.

• 本文利用四阶累积量研究了(色)高斯噪声下基于ARMA建模法的DFH信号频率检测,并针对由于模型阶数估计过高而产生的虚检频率,提出一种充分利用信号先验信息的改进算法。