The wedging model testing shows that the thickness estimated by this method is quite effective and intuitive.What is more, it will not be affected by wavelet phase and so has a good adaptability.

• 楔状模型试验结果表明，通过二阶功率谱进行薄层厚度估算更加直观有效，且不受子波相位的影响，适应能力更强。