本文首先分析、归纳了基于通信理论和基于信息论的两种数字水印技术分析方法。

At first, this paper summaries and analyzes two digital watermarking technology analysis methods which base on communication theory and information theory.

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为了实现路面构造深度检测的自动化，提高检测数据的准确性，本文研究应用两种数字化方法评价沥青路面构造深度。

This paper researches on using two digital method to evaluate the texture depth of asphalt pavement, realizes automation of detecting texture depth and improves the precision of the detection result.

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方法对两种数字化成像系统的曝光剂量、成像时间和图像质量进行比较分析。

Methods the exposure dose, imaging time and image quality were compared in the two digital imaging system.

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