In addition, removing multiples, refractions and primaries with K-L transformation can avoid removing the useful waves together with interfering waves and keep the useful shallow seismic information.
利用K - L变换对浅层多次波、折射波、直达波的压制，可避免手工切除对浅层有效信息和干扰信息一刀切的弊端，保存了浅层有效信息。
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