For the problem of parameter estimation of one dimensional and two dimensional chirp signal in additive colored Gaussian noise, a new method based on fourth-order cumulant is proposed.

• 摘要针时加性高斯有色噪声背景下的一维、二维线性调频信号的参量佑计问题，引入高阶统计量，提出了一种基于四阶累积量的新方法。