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通过多例头部电导纳图的导纳微分环面积和功率谱分析 ,发现陡直型和转折型波形 ,其功率谱中的某些指标有显著性差异 (P<0 .0 5 ) ,导纳微分环中的 、 、 相面积也有显著性差异 (P<0 .0 5 )
According to the admittance differential ring area and power spectrum analysis of multiple head admittance diagrams, it is found that there are significant differences (P <0. 05) in the power spectrum between steep and transitional waveforms In the differential ring, the phase area also has a significant difference (P <0.05)