雷达料位计是一种非接触式的高精度液位仪表，具有测量精确、效率高、安装简单等特点。

The radar level indicator is a non-contact high-precision one and has the advantages of precision in measurement, high efficiency and simplicity in installation.

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描述了数字图像处理技术用于非接触精确测量的原理，对整个顶点识别过程做了详细的探讨，给出了满意的识别结果。

The paper describes the principle of the technology of digital image procession applied in untouched measure, and details the whole process of vertex recognition, and gets a kind result.

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该方法克服了传统刀口扫描法的缺陷， 消除了由于离散型光学元件的离散性产生的空间非平移不变性的影响，减小了测量误差，提高了精确度。

The method avoids the influence of non-isoplanantic result from the dispersancy position between the edge and the array for measured MTF, and its precision was improved accordingly.

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