但是，在实际使用中，激光器输出能量会产生波动，导致系统检测精度下降甚至不准确。

But in fact, output of laser energy is continuously changing as time passed, so that precision accuracy of detecting system become poor.

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为了分析短路过渡电弧的焊接过程和探讨电弧能量对焊接稳定性的影响，设计了短路过渡电弧电参数检测系统。

A arc parameter-measuring system was developed to analyze the process of short-circuiting arc welding and the effect of arc energy on the welding stability.

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为提高实时通信中语音端点检测系统的性能，提出了一种基于能量和鉴别信息的端点检测算法。

A new algorithm based on the energy and discrimination information was developed to improve the performance of the voice activity detection system in real-time speech communications.

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