查询词典 optical fiber

Based on the summary of former measurements on elstohydrodynamic flim thickness,this paper introduces various measurements on film thickness of oil film bearing in rolling mill,and the recent fiber-optical displacement sensor and ultrasonic reflection methods are mainly illustrated.

在对弹流膜厚测量方法总结的基础上，介绍了与轧机油膜轴承油膜厚度的测量相关的技术方法，重点的介绍了近期发展的光纤位移传感器方法和超声共振方法。

Compensating dispersion using optical solitons is an effective method to improve fiber communication system performance.

在光纤中应用光孤子进行色散补偿是提高光纤通信系统性能的有效方法。

Single-mode fiber-optical confocal scanning laser microscopy is a new scanning microscopic imaging system, which is based on the modern optics technology and electronics technology. The characteristic of point source and point detector removes the out-of-focus light that makes the image become blur. Therefore, it has excellent resolution in axial directions, and can achieve 3-D imaging of microorganism.

单模光纤激光共焦扫描显微镜是现代光电技术结合的新型扫描显微成像系统，其独特的点照明与点探测机理排除了离焦光线对图像造成的模糊和斑点影响，因而具有出众的轴向分辨率，能够实现对微小物体的三维成像。

In this thesis, several fiber grating-based photonics devices for optical communications and sensing applications have been investigated theoretically and experimentally.

本论文就光纤光栅在光纤通信器件及光纤传感领域的几个应用作了较深入的理论和实验研究。

Phase noise mainly comes from laser linewidth,laser phase offset,in/quadrature phase mismatch,90° hybrid phase imbalance,fiber channel and component in optical quadrature phase shift keyed transmission system.

在光四相相移键控系统中，相位噪声主要源于激光器的线宽、激光器的相位偏移、同相支路和正交支路相位不匹配、90°混频器的相位不平衡以及光纤和器件等引起的相位变化。

The PRE-IOG fiber analogue system, which has compact optical structure and high performance reflector to achieve re-entrant transmission, is improved.

在此基础上，研制了采用耦合器实现循环再入的PRE-IOG光纤仿真系统，验证了PRE-IOG的优化设计方法以及调制与解调电路的设计方法；改进了利用高性能反射镜实现循环再入的PRE-IOG光纤仿真系统。

The spectral characteristics of the device were measured by an optical spectrum analyzer in a set-up with fiber coupling. A periodically vibrated resonance spectrum was observed with 10 dB contrast and 0.182 nm period. According to the experimental data and the theoretical formula of the ring resonator, transmission loss of 1.7 dB/cm in the ring resonator was obtained.

利用光谱仪对器件的传输特性进行了测量，观测到具有10 dB对比度，自由光谱范围0.182 nm周期性谐振现象，结合环形谐振腔的传输特性，得到环形腔具有较低的传输损耗1.7 dB/cm。

The traditional fiber optic cable line maintenance management pattern breakdown search difficulty, the platoon bonds the time to be long, affects the communications network the normal work, the economic loss which creates because of the correspondence optical cable breakdown is huge every year.

传统的光缆线路维护管理模式的故障查找困难，排障时间长，影响通信网的正常工作，每年因通信光缆故障而造成的经济损失巨大。

Optical. cable. Fiber Jumper .

光端机。电缆。

The thesis is mainly concerned with the digital control of the commander panoramic sight based on high performance Digital Signal Processor and Active Disturbance Rejection Control technique with fiber optical gyro to improve it's deficiency.

车长周视镜是坦克火控系统的重要组成部分，针对现有的车长周视镜稳定瞄准控制系统的不足，本课题采用高性能数字信号处理器结合自抗扰控制技术和教研室自行研制的低成本、数字化开环光纤陀螺对车长周视镜稳定瞄准控制系统进行数字化改造。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。