Chapter 1.5 In-Situ Estimates of Material Damping from Environmental Noise Measurements

机译：第1.5章从环境噪声测量中对材料阻尼的原位估计

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Experimental results at two test sites are described, which support the idea that the cross-correlation of noise recordings allows the retrieval of the local Green's function also including subsoil attenuation properties. In particular, the analysis of field measurements of environmental noise carried on with arrays of common vertical geophones suggests that passive in-situ estimates of the attenuation exponent are possible and that the values provided in this way are comparable with those obtained with alternative active techniques. These results open new interesting perspectives for engineering and geotechnical application of environmental noise surveys.

机译：描述了在两个测试地点的实验结果，这些结果支持这样的想法，即噪声记录的互相关可以检索局部格林函数，还包括地下土壤的衰减特性。特别是，对使用普通垂直地震检波器阵列进行的环境噪声的现场测量的分析表明，衰减指数的无源原位估计是可能的，以这种方式提供的值可与采用替代有源技术获得的值相媲美。这些结果为环境噪声调查的工程和岩土工程应用开辟了新的有趣视角。

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来源
《Increasing Seismic Safety by Combining Engineering Technologies and Seismological Data》|2007年|73-84|共12页
会议地点 Dubrovnik(HR)
作者
Dario Albarello; Francesco Baliva;
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作者单位

Dip. Di Scienze della Terra - Universita di Siena - Via Laterina, 8-53100 Siena - Italy;

Dip. Di Scienze della Terra - Universita di Siena - Via Laterina, 8-53100 Siena - Italy;

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会议组织
原文格式 PDF
正文语种 eng
中图分类结构动力学;
关键词
in situ estimates; damping; seismic noise; seismic interferometry; passive seismic survey;

机译：原位估计；阻尼地震噪声地震干涉法被动地震勘测;

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机译：使用来自线性波前斜率传感器的原位测量来估计随机噪声。

Chapter 1.5 In-Situ Estimates of Material Damping from Environmental Noise Measurements

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