导出的磁场三维分量都是复数的物理意义是什么

x [mm]         y [mm]         z [mm]     HxRe [A/m]     HyRe [A/m]     HzRe [A/m]     HxIm [A/m]     HyIm [A/m]     HzIm [A/m]  
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          118           -300              0   -0.000766349   1.02754e-005   -0.000101376    -0.00146492    -0.00166131   2.21085e-005
          118           -299              0     0.00149988    0.000178178  -5.89579e-005    -0.00200603    -0.00170259   1.23001e-005
          118           -298              0     0.00378051    0.000337733  -1.73398e-005    -0.00255045    -0.00174185   2.67746e-006
          118           -297              0     0.00607554    0.000488937   2.34797e-005    -0.00309818    -0.00177908   -6.7598e-006
          118           -296              0     0.00838497    0.000631793      6.35e-005    -0.00364923     -0.0018143  -1.60115e-005
          118           -295              0      0.0107088      0.0007663    0.000102721    -0.00420359    -0.00184749  -2.50775e-005
有  HxRe [A/m]    HxIm [A/m]      HyRe [A/m]    HyIm [A/m]     这种分量的复数是有什么物理意义?

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