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中文摘要：
在可控震源地震勘探过程中,谐波干扰不可避免。特别是随着可控震源高效采集方式的出现和不断发展,谐波干扰成为制约可控震源技术发展的主要因素。为了准确压制谐波干扰,对谐波干扰产生的机理与特征进行了研究,发现谐波干扰产生的原因主要有：1机械系统畸变产生的谐波;2表层介质响应畸变产生的谐波。通过对野外采集资料的分析和正演模拟揭示了两种谐波的产生机理和特征,并用来指导两种谐波干扰的压制。
英文摘要：
During vibroseis exploration,the harmonic noise is inevitable due to various factors.Especially along with the development of vibroseis efficient acquisition,the harmonic interference has become the main factors restricting the development of the vibroseis technology.In order to eliminate the harmonic noise accurately,we studied the generation mechanism and characteristics of the harmonic wave and concludes that there are two kinds of harmonic waves：the first type is caused by mechanical system distortion;the second type is caused by surface response distortion.The mechanism and characteristics of the two kinds of harmonic waves are revealed by analyzing the real data and forward modeling,which can be used to guide the elimination of the two harmonic waves.
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