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- 2016
城市地噪声场的多元分离方法
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Abstract:
城市地下噪声场由自然地噪声和人文地噪声组成，人文地噪声和自然地噪声的差异主要表现在时空分布的一致性、稳定性和相关性等方面。针对两者的不同特征，提出了噪声分离的三原则，采用多元分离的方法，实现了两类地噪声的有效分离。通过对比测试4种标准信号并进行分析，可得出该方法效果好于传统的小波方法的结论。深圳市地噪声场的探测试验表明，多元分离方法能够把地噪声有效分离成人文地噪声和自然地噪声两部分，它们可以分别提炼出地下地质信息
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