It will approach to Gaussian distribution after accumulating sea clutter along with one dimensional range images, which can achieve signal detection in advantage of higher order cumulant and spectra.

• 经过非相参积累的海杂波沿距离像的分布接近高斯分布，沿距离像计算回波信号的高阶累积量、高阶谱，可以实现目标的检测。