减小光栅的模式耦合系数可以增大耦合效率和提高光栅反射率。
The couple efficiency and the reflecting rate increase with the decrease of the mode couple coefficient.
耦合系数包括偏振耦合项和双折射耦合项。并用马卡提里近似下的模式作为零级近似。
The polarization coupling term and birefringence coupling term are included in the coupling coefficient expression.
实验结果表明，在大气呼吸模式激光推进中，空气的击穿阈值随激光波长的增大而降低，激光波长对飞行器获得的冲量耦合系数没有明显的影响。
The results show that the threshold of air breakdown decreases when laser wavelength increases, while the wavelength has no evident effect on the momentum coupling coefficient.
本文中提出一个支持符合事件、允许多种规则耦合模式的主动关系数据库模型，并给出相应的系统执行模型的描述。
In this paper, we propose a new relation active database model which can support complex event and multiple coupling model, and then give a description of its system execution model.
相比于传统的直方图方法，基于排序模式的互信息估计方法能够更好地刻画模型耦合系数的变化，而且抗噪声干扰能力更强。
Compared to traditional histogram method, this proposed method is better for presenting the change of the coupling coefficient in coupled models, and is more robust to noise.
采用耦合模理论对倾斜光纤光栅的传播特性进行分析，并推导出模式传播的波动方程、模式间的耦合系数及坡印亭矢量。
The wave equations, modes coupled coefficient and Poynting vector have been got here. The sensing theory of tilted fiber Bragg grating is presented here.
光源的光束半径及入射倾斜角影响光源的耦合系数及各模式的功率占有率，进而影响传感器的灵敏度。
The percentage power of mode and the excited coefficient of the light source were affected by beam's radius and slope Angle. Furthermore the sensitivity of sensor was affected.
光源的光束半径及入射倾斜角影响光源的耦合系数及各模式的功率占有率，进而影响传感器的灵敏度。
The percentage power of mode and the excited coefficient of the light source were affected by beam's radius and slope Angle. Furthermore the sensitivity of sensor was affected.
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