sea-bed reverberation

To deal with the problem of seabed reverberation of side-scan sonar images in target detection, we propose to estimate the targetin images by the magnitude of higher-order spectrum----bispectrum.
在海底目标检测中，针对侧扫声纳图像受海底混响干扰严重的缺点，提出了将高阶谱中双谱的谱峰值大小作为图像中目标是否存在判断方法。