Wake is motive bubble film, research of motive bubble is basis of Wake research. Using digital image process technology is a fire-new detection and analytic method.
运动气泡的研究是尾流研究的基础，利用数字图像处理技术研究运动气泡幕是一种全新的探测分析方法。
Compare with traditional method of motive bubble detection and analysis, it has some advantages, such as visibility, real time, high-efficient, easily realized in projects, and so on.
它与传统的运动气泡探测分析方法相比，具有直观、实时、高效、易于工程化等优点。
The basic principle, accuracy and resolution of the leak detection method by means of bubble emission were investigated, and the calculating formula of leakage rates was derived.
探讨了液下气泡检漏法的基本原理、泄漏率计算方法以及检漏精度和分辨率。
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