VMD算法在全光纤电流传感器信号去噪中的应用

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为了有效抑制全光纤电流传感器的噪声信号,提高传感器的信噪比,将VMD算法用于全光纤电流传感器信号的去噪处理.采用Optisystem光学仿真软件搭建全光纤电流传感器的仿真模型,对仿真得到的信号用VMD分解,根据相关系数选取有用的模态分量进行重构,得到去噪后的信号.结果 表明:经过VMD算法去噪后的信号信噪比提高到28.2125 dB,均方根误差减小为3.3323×10-4,与小波去噪相比提高了信噪比,减小了均方根误差.
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