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.
在海底目標檢測中，針對側掃聲納圖像受海底混響乾擾嚴重的缺點，提出了將高堦譜中雙譜的譜峰值大小作爲圖像中目標是否存在判斷方法。