The spectrum division technique was used for establishing signal model of delay time measurement, and amplitude frequency characteristics of the signal after spectrum division was investigated.
利用频谱相除技术构建了延迟时间测量的信号模型，研究了频谱相除后信号的幅频特性。
Stratigraphic division is challenging in the eastern Sichuan Basin due to the large amplitude of structural high, highly developed faults and complex subsurface structures.
四川盆地川东地区地质构造隆起幅度高，断层发育，地下构造复杂，地层分层困难。
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