根据Bloth定理推导了伪周期电磁场的麦克斯韦方程,采用时域伪谱(PSTD)法分析二维光子带隙结构(PBG)的能带,对空间的微分进行付里叶变换离散而不作差分近似离散,使空域变换成伪谱域.
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此算法不仅具有多区域伪谱时域算法分析任意曲边形体问题的精确性和灵活性，而且稳定性和效率也相应地提高。
This algorithm not only maintains accuracy and flexibility of PSTD for an accurate treatment of arbitrarily curved objects, but also improves stability and efficiency.
针对多区域切比雪夫伪谱时域算法稳定性方面的问题，采用隐式和显式两种时间积分方式对此进行改善。
The implicit and explicit time integration schemes are used to improve the stability condition of the MCPSTD algorithm.
伪谱时域（PSTD）方法可以处理电大尺寸目标电磁散射问题。
The Pseudospectral time-domain (PSTD) algorithm can be used to solve the scattering of the electrically large objects.
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