The filtering properties of doped one-dimensional photonic crystal containing negative refractive index material are studied by using transfer matrix method.

利用转移矩阵法，研究了含负折射率材料的一维光子晶体掺杂后的滤波性质。

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Therefore, this paper uses FK filtering method to deal with the shortage of TSP to extract the seismic negative reflection.

本文旨在采用FK滤波方法扩展TSP中提取负反射的方法。

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Yellow filtering layer is an important component of color negative film for ensuring a real color reproduction and improving the image sharpness.

黄滤色层是确保彩色底片彩色还原真实和提高影像清晰度的一项重要组分。

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With this filter, we focus exclusively and magnify negative aspects of something while filtering out all the positive aspects of a situation.

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