Transmission characteristics of light beam in different media are distinctive. Difference of refractive index of air and seawater is a determination factor that affects laser transmission.
光在不同介质中的传播特性不同，大气和海水折射率的差别是影响激光传输的决定性因素。
2
The neural network model of the equivalent complex refractive of random rain media is developed by means of the improved BP algorithm, based on the electromagnetic wave propagation theory.
利用改进的BP算法，结合电波传播理论，建立了随机雨介质的等效复折射指数的神经网络模型。
3
Refractive indexes of media in planar optical waveguides are changed with the electric field intensity called nonlinear planar optical waveguides.