ID 原文 译文
51947 其次，对架空光缆在实际工况下存在的弧垂和振动对测温精度影响进行了研究， Secondly, the influence of the sag and vibration of the aerial optical cable under the actual working conditions on the temperature measurement accuracy is investigated by experiment,
51948 实验结果表明，弧垂和振动对测温精度的影响较小， and the result shows that the influence of sag and vibration on the temperature measurement accuracy is small.
51949 但相比于振动，弧垂对测温结果的影响更大，即光缆的动态应变比静态应变对测温影响更明显。 While compared with vibration, the influence of sag on the temperature measurement result is more obvious, which means that the influence on the temperature measurement result by the dynamic strain of the cable is more obvious than that by the static strain of the cable.
51950 在现代光通信系统中，快响应速度的偏振控制在如扰偏和稳偏等技术的相关研究中有着极大的需求。 Polarization control with fast response speed is highly desired in optical communication systems, such as in related studies of polarization scrambling and polarization stabilization.
51951 然而，目前的偏振控制器由于材料和结构等因素的影响，响应速度最快只能在ns级别，这成为偏振相关研究的主要瓶颈。 However, due to the influence of materials and structure, current polarization controller can only reach nanoseconds at the fastest, which becomes the main bottleneck of polarization-related research.
51952 文章介绍了一种基于商用低速电控偏振控制器和高速相位调制器的新型光学结构来实现超快的偏振控制。 In this paper, a novel optical structure based on low-speed electronic polarization controller and high-speed phase modulator is introduced to realize ultrafast polarization control.
51953 实验验证并分析了两个正交光场分量在振幅差缓慢变化和相位差快速变化同时进行的情况下，庞加莱球上的偏振态变化轨迹。 The changing trajectory of polarization state on Poincare Sphere caused by slow amplitude difference change and simultaneous fast phase difference change of two orthogonal projects is demonstrated and analyzed experimentally.
51954 实验结果表明，此方法大大提高了偏振控制的响应速度，为更好性能的扰偏和稳偏技术提供了有力的支持。 This method greatly improves the response speed of polarization control and provides strong support for better performance of the polarization scrambling and polarization stabilization.
51955 数字预失真是改善功率放大器非线性化比较有效的技术方法。 Digital predistortion is an effective technical method to improve the nonlinearization of power amplifier.
51956 文章针对射频功率放大器的非线性强记忆效应带来的失真问题，在分数阶记忆多项式模型和传统双线性多项式模型的基础上，提出了一种改进的分数阶双线性多项式数字预失真模型。 Based on the fractional-order memory polynomial model and the traditional bilinear polynomial model, an improved fractional-order bilinear polynomial model predistortion method for indirect learning structure is proposed.