Automatic optical inspection is a technique for fault detection and location of printed circuit board using digital image processing algorithms.

自动光学检查是利用图像处理算法进行电路板故障检测与定位的技术。

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In this paper, a fault diagnosis method is researched for this type of compressor based on modern signal processing theory. The method can be used in automatic detecting system on the production line.

本文利用现代信号处理理论，进行可应用于该机种压缩机生产线自动检测系统的故障诊断方法研究。

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