reflection amplitude

Base on AVO principle, the seismic reflection amplitude varying with offset and AVO abnormal attribute of gas-bearing sandstone are analyzed.

基于AVO原理，研究含气砂岩的地震反射振幅随炮检距的变化关系及AVO异常属性特征。

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Experience shows that the decisive factors for predicting hydrocarbon are the apparent polarity, amplitude ratio ( KZ~ 6), and instantaneous phase(φ) of the reflection from the top of Yangxin formation, as well as the curvature(ρ) of the upper surfaee of this formation.

经验表明，阳新统顶部的视极性及振幅比（KZ~6）、瞬时相位（φ）和阳新统顶的构造曲率（ρ）是预测气况的决定因素。

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The reflection and refraction of a large amplitude plane sound wave(ⅱ) two dimensional case

大振幅平面声波的反射和折射（Ⅱ）&二维情况

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In the collinear geometry, there are always some non-conjugate component in the reflected wave, and the functional relation between reflection coefficient of amplitude and the thickness of sample can have the form of tangent function, hyperbolic tangent function and linear function;

在共线装置中，在反射波中总含有一定的非共扼的成分，振幅反射系数与样品厚度的关系可能是正切、双曲正切或线性函数关系；

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