基于多通道Transformer重构的NMR环境噪声抑制方法

赵静, 鲍庆嘉, 张志, 陈罡, 吴肇博, 黄臻, 刘朝阳

NMR Environmental Noise Suppression Method Based on Multi-channel Transformer Reconstruction

ZHAO Jing, BAO Qingjia, ZHANG Zhi, CHEN Gang, WU Zhaobo, HUANG Zhen, LIU Chaoyang

图5 在不同样品及不同噪声类型叠加条件下，各方法的信号重建实测效果图. (a)样品为CuSO4且干扰为固定频率的信号；(b)样品为CuSO4且干扰为宽带噪声；(c)样品为正己烷甲苯溶液且干扰为固定频率的信号；(d)样品为正己烷甲苯溶液且干扰为宽带噪声

Fig. 5 Experimental signal reconstruction results of different methods under various samples and noise type combinations. (a) Sample: CuSO4 with interference from a fixed-frequency signal; (b) Sample: CuSO4 with interference from broadband noise; (c) Sample: n-hexane-toluene solution with interference from a fixed-frequency signal; (d) Sample: n-hexane-toluene solution with interference from broadband noise