Noise stress tests are also carried out to demonstrate the robustness and effectiveness of the FD-based index for damage localization with different stiffness losses and SNR values.

对基于分形理论的损伤定位指标在不同的损伤程度，不同的信噪比的噪声影响下识别效果进行了分析。

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But recent studies suggest that noise could even be dangerous, increasing stress levels and risk of illness - the word "noise" does derive from the Latin "nausea" after all.

但最近的调查表示，噪音可能更具危险性，它使压力指数和患病的风险大为提高——“噪音”这个词源自于拉丁语，原意是作呕。

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But among the many studies that evaluated death from heart problems, some did not separate stress and noise from air pollution as a cause, it said.

不过，该报告说，在众多因心脏问题导致死亡的病例中，研究人员并没有把精神压力、噪声与空气污染的原因分离出来。

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Cause noise pollution: People living close to turbines claim that the low level noise is causing stress-related illness.

BBC: Last Updated: Tuesday June 07 2005 15:38 GMT

It was found background noise had a "significant effect" on stress levels.

BBC: Traffic noise 'could harm children'

That provoked howls from long-suffering locals, who say that noise pollution from Heathrow hurts house prices, causes stress and makes it impossible for their children to concentrate at school.

ECONOMIST: Airports