After researched and proved in theory and models for Cepstrum analysis, we find that the method which in common use is not a well efficiency ways for complex inter-bed.

• 3.；对功时谱方法在理论上和数据模型上进行更加深入的研究验证后发现，对于反射系数较多的复杂薄互层地震模型，这种人们较为认同的方法并不十分有效。