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介绍群论在光子晶体带隙平面波展开法计算中的应用 ,推导了改进后的算法公式 .通过计算实例的比较 ,显示了群论应用对算法内存需求空间及计算时间的减少 .
The application of introduction group theory in the calculation of photonic crystal band gap plane wave expansion method and the improved algorithm formula are deduced.Comparison of calculation examples shows that the application of group theory reduces the memory requirement space and calculation time of the algorithm.