曲线形相位特性减小了波形振幅峰值。
The imposition of a curved phase characteristic reduces the peak amplitude of the waveform .
油层声波阻抗变化方向导致差异波形振幅幅度变化的快慢。
And the extent of difference amplitude caused by impedance decrease is more than equivalent impedance increase.
然而，由于激发和接收条件产生的地表一致性差异，会引起振幅与波形的变化。
However, amplitude and waveform variations always occur because of the surface in consistency resulting from shot and receiving conditions.
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