经验模态分解在桥梁检测中的应用

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Abstract

文章介绍了经验模态分解(EMD)的原理、特点及其应用,编制了EMD算法程序并验证了程序的正确性,最后采用EMD方法对某桥梁基于环境激励条件下的实际信号进行分解,结果表明,该方法能有效对信号进行分解,是一种无需预设带宽的自适应高通滤波方法,适用于结构模态参数识别。

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Key words

empirical mode decomposition,signal analysis,Hilbert transform,mode parameter identification

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Pretraining has recently greatly promoted the development of natural language processing (NLP)
We show that M6 outperforms the baselines in multimodal downstream tasks, and the large M6 with 10 parameters can reach a better performance
We propose a method called M6 that is able to process information of multiple modalities and perform both single-modal and cross-modal understanding and generation
The model is scaled to large model with 10 billion parameters with sophisticated deployment, and the 10 -parameter M6-large is the largest pretrained model in Chinese
Experimental results show that our proposed M6 outperforms the baseline in a number of downstream tasks concerning both single modality and multiple modalities We will continue the pretraining of extremely large models by increasing data to explore the limit of its performance

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