At present based on the current common principles were magnetic ultrasonic flaw detection and based on the principles of service flaw detection in the detection major research direction.

目前常用的基于漏磁原理的裂纹检测和基于超声波原理的裂纹检测是在役管道检测主要的研究方向。

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The experiment shows that the processing speed and the accuracy of the flaw detection have improved compared with the current method.

实验结果表明，该算法在处理速度及检测正确率上都优于现有的模板匹配算法。

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The experiment shows the system we design based on FPGA has a better processing speed performance then the current system, well meet the real-time need of the steel ball flaw detection procedure.

结果表明，本文设计的基于FPGA的钢珠瑕疵检测系统在处理速度上优于现有的检测系统，可以很好的满足钢珠生产中瑕疵实时检测的需求。

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