对于带噪声的周期性纹理图像,提出一种基于二维秩约束的混合正则化去噪方法。该方法结合了全变分去噪理论和方法，并且利用该类图像低块秩的特性，对图像进行了低块秩约束。通过和全变分去噪方法比较可知，对于周期性纹理图像，混合正则化方法能有效地分离出噪声，并且能让图像很好地保持边缘。即使非严格的周期性纹理，该方法依然有很好的去噪效果。-For periodic texture images with noise, a new method based on two dimensional rank cons

严格耦合波计算麦克斯韦方程数值解的源代码，可以进行周期性的结构的数值求解，可以对一维所有类光栅结构进行求解。(Rigorous coupling wave is used to calculate the source code of the numerical solution of Maxwell equation, which can be used for numerical solution of periodic structure, and it can solve all kin

严格耦合波计算麦克斯韦方程数值解的源代码，可以进行周期性的结构的数值求解，可以对2维所有类光栅结构进行求解。(Rigorous coupling wave is used to calculate the source code of the numerical solution of Maxwell equation, which can be used for numerical solution of periodic structure. It can solve all 2 dimen

用于计算严格周期性边界条件的施加方法，用于abqus(A method for calculating strictly periodic boundary conditions for abqus)