Based on mode field coupling theory, a model to calculate the butt-joint coupling efficiency between a multi-mode fiber and a single-mode fiber is presented.
采用模场耦合理论，推导出多模光纤与单模光纤的直接耦合效率表达式，计算得到耦合效率与所选用的多模光纤和单模光纤的纤芯芯径之间的模拟关系。
A new calculating model is proposed to analyse the single mode fiber biconical couplers and the derivative devices.
提出了一种分析熔锥光纤定向耦合器及其衍生器件的新数理模型。
A model for discrete mode-coupling centers with random coupling coefficients and equal intervals is proposed to simulate an actual single-mode optical fiber.
本文以一种离散、等间距的随机耦合模型来模拟实际单模光纤。
According to the test results, the single freedom system model is used to investigate the local failure of shelter plate of steel plate and steel fiber reinforced concrete.
在试验分析基础上，采用单自由度体系模型，考虑在钢纤维混凝土组合板局部破坏时，钢纤维的抗拔作用、钢板薄膜力作用和柔性土介质的耗能等主要影响因素。
By solving the equation numerically, the nonlinear propagation of femtosecond laser pulse with duration of several optical oscillation periods in single-model optical fiber has been simulated.
对方程作了数值解，模拟了具有几个光振荡周期的飞秒脉冲在单模光纤中的非线性传输。
The utility model relates to a wrapped wire, in particular to a self-adhesive high-thermal-conductivity single glass fiber copper-clad aluminum flat wire.
本实用新型涉及一种丝包线，特别涉及一种自粘性高导热单玻璃丝铜包铝扁 线；
The utility model relates to a wrapped wire, in particular to a self-adhesive high-thermal-conductivity single glass fiber copper-clad aluminum flat wire.
本实用新型涉及一种丝包线，特别涉及一种自粘性高导热单玻璃丝铜包铝扁 线；
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