Digital correlation method was used to extract phase information as the phase information of eddy current testing signals could reflect the characteristics of detecting system.

涡流检测信号中的相位信息能反映检测系统的某些特性，讨论用数字相关法提取相位特征信息。

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In the digital image performance testing system of CMOS camera, defect detection is crucial.

在CMOS摄像头数字图像性能检测系统中，疵点检测是关键内容。

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On-line testing shows that, this digital ultrasonic peening power supply based on DSP can make the system work at the resonance state, and the peening process is stable.

联机试验表明，本文研制的基于DSP的数字化超声冲击电源可以使系统工作在谐振状态，冲击过程稳定。

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Digital Storm technicians stress-test and benchmark the system via industry standard testing software coupled with a proprietary testing process that detects components which can be prone to future failure.

ENGADGET: Digital Storm Bolt stuffs full-power graphics into a mini gaming desktop, stretches laws of physics

As the digital and physical world continue to meld, we are going to need an aggressive system of testing and updating these systems.

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