In recent years, with the onshore oil and gas resources exhausting, in order to expand the amount of resources, the seismic exploration is gradually developing from the land to the sea, so it is more significant and valuable to research the marine seismic processing techniques. However, major noise in marine data is multiple wave, so how to suppress the multiples wave effectively is one of the main subjects for marine seismic processing. The paper summarizes the origin, classification, feature of multiples, furthermore it generalizes the methods about how to identify and suppress multiple wave.%近些年来，随着陆上油气资源的日益枯竭，为扩大资源的开采，地震勘探的发展由陆地逐渐向海洋，因此对于海洋地震资料处理技术的研究就变得更有意义和价值。海上地震数据当中最主要的干扰是多次波，因此如何有效压制多次波，是目前海洋地震资料处理的主要课题之一。文章对多次波的成因及分类，多次波的特征及识别、多次波压制方法进行归纳总结。
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