ID |
原文 |
译文 |
52227 |
为弥补传统无线网络在射频链路难以到达的地方信号接收困难的问题,采用了将光载无线通信 (RoF) 技术作为一种无线接入方式与正交频分复用 (OFDM) 无源光网络 (PON) 有线接入网络相结合的方式, |
Considering the difficulty of receiving signals in traditional wireless networks where the radio frequency link is hard to reach, a method combining Radio over Fiber (RoF) technology as a wireless access mode with Orthogonal Frequency Division Multiplexing (OFDM) Passive Optical Network (PON) wired access network is adopted. |
52228 |
提出了一种基于外调制法单边带 (SSB) 调制方式承载60 GHz毫米波结合反射式半导体光放大器 (RSOA) 的有线与无线结合的双向传输系统,并完成了平台的搭建。 |
An external modulation method based on Single Side Band (SSB) modulation mode is proposed to carry 60 GHz millimeter wave combined with reflective semiconductor light. |
52229 |
偏振光在保偏光纤环内发生的二次偏振串扰在FOG干涉输出端会产生很多次干扰项引入相位误差,从而影响FOG的静态参数,如零偏稳定性。 |
The second-order polarization crosstalk occurs within the polarization-maintaining fiber coil of the polarized light will produce many second order interference terms in the interference output end of the FOG, which may introduce phase error and affect the static parameters of the FOG, such as zero-bias stability. |
52230 |
文章设计了一套实验夹具用于对保偏光纤环精准施压, |
In this paper, we design a set of experimental fixture to produces high crosstalk points by exert precision pressure on the polarization-maintaining fiber coil. |
52231 |
通过控制两个夹具在保偏光纤的消偏长度内施压产生大量的二次串扰高点。 |
By controlling the two fixtures exert pressure in polarization-maintaining fibers depolarize length to produce a large number of second order crosstalk, the crosstalk points data is extracted for simulation calculation. |
52232 |
测得光纤环的偏振串扰数据,并进行仿真计算得到零偏仿真值,与实际测试得到的零偏数据对比,理论仿真值与实际测试值一致。 |
Compared with the zero-bias stability data obtained from the actual test, the theoretical simulation value is consistent with the actual test value. |
52233 |
随着施压产生的二次串扰强度增大,FOG的零偏稳定性也随之恶化, |
As the pressure increases the intensity of the second-order crosstalk, zero bias stability of the FOG is worsening. |
52234 |
施压产生的二次串扰点强度最大时,与未施压时相比,实验环1的零偏稳定性从0.0063°/h恶化到0.0151°/h,实验环2的零偏稳定性从0.0125°/h恶化到0.0171°/h。 |
The maximum intensity of second-order crosstalk produced by pressure is compared with that without pressure. The experimental results show that the zero bias stability of coil 1 is deteriorated from 0. 0063°/h to 0. 0151°/h, and zero bias stability of coil 2 is deteriorated from 0. 0125°/h to 0. 0171°/h. |
52235 |
针对光纤通信和传感系统中高双折射的应用需求,文章提出了一种新型光子晶体光纤,其包层由圆形空气孔按六角晶格结构排列而成, |
To meet the application requirements of high birefringence in optical fiber communication and sensing system, a new Photonic Crystal Fiber (PCF) is proposed in this paper. The designed structure is hexagonal, which is arranged by circular air holes. |
52236 |
将最内层设计为4个椭圆空气孔和两个小圆空气孔。 |
The inner cladding is designed as four elliptical air holes and two small round air holes. |