Abstract: The method presented in this paper combines the sound wave transmission method with the slope measurement theory to overcome its biggest disadvantage and greatly improve the accuracy and reliability.The low cost and easy operation of this method indicate a great market.

摘要： 通过测斜原理和声波透射法的巧妙结合 ,克服了声波透射法的最大缺陷 ,大大地提高了其准确性和可信度 ,该方法同时具有低成本、操作简便等特点 ,市场前景广阔

关键词: 声波透射法, 测斜, 声速, 声时, PSD判据