Both nonreciprocal birefringent effect and variable polarization effect of microwave ferrite in the symmetrical four-pole magnetized field are discussed in the light of coupling-wave theory.
本文用耦合波理论处理了对称四磁极磁化情况下，微波铁氧体的非互易双折射效应和变极化效应。
Conclusion Symmetrical and giant negative t wave not complicating with left ventricular hypertrophy in electrocardiogram has a predictive value for coronary heart disease.
结论心电图巨大对称性倒置T波且不伴左心室肥厚对冠心病有一定的预测价值。
Upon the basic electromagnetic theory, wave propagation equation on an axis symmetrical case is derived. Numerical simulation method for solving the partial differential wave equation is presented.
从基本电磁理论出发，推导轴对称条件下电磁波的波动方程，给出求解此类波动方程的数值仿真方法。
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