...规则起伏之沙涟底床到二阶解，并以实 验证实当波浪之波长为波形底床沙涟长度的2 倍时，会造成所谓的布拉格共振(Bragg resonance)，即波动流场产生共振之现象。
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The resonance equation of the sampled fiber Bragg gratings is derived through the Fourier′s transform and the coupled-mode theory, which determine the wavelengths of the resonance peaks.
利用傅里叶变换和耦合模理论得到了取样布拉格光纤光栅的谐振方程，确定了其多谐振峰的位置。
For the former structure, and if the resonance Bragg-scattering is satisfied, the relative localization length attains a minimum.
考察前一种结构，且满足共振布拉格散射条件，相对局域化长度达到最小值。
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