查询词典 optical

Brillouin Optical Time-Domain Reflectometer is a rising frontier technique which can be used in optical communication and strain measurement of buildings.

BOTDR技术的应变测量原理及其在工程健康检测领域的应用情况，对实例观测数据通过小波变换，给出了相应结果，具有一定的参考价值。

Improvement of Spatial Resolution for Strain Measurement with Brillouin Optical Time-Domain Reflectometer by Fitting Method Based on Equivalent Optical Pulse.

提高布里渊光时域反射应变仪测量空间分辨力的等效脉冲光拟合法。

The principle,advantages,disadvantages,application areas and the problems in application of the distributed optical fiber sensors based on optical time domain reflectometer are summerized.

总结了基于光时域反射(OTDR，BOTDR，ROTDR)的分布式光纤传感器的原理、优缺点、应用领域以及在应用中存在的问题。

Optical Time Domain Reflectometer, OTDR, an instrument used for measuring the characteristic of the light loss and fault location, which is one of the important and commonly used instruments during construction and maintenance or measurement of optical application system.

国外OTDR的技术指标已经达到很高的水平，但由于我国基础工业水平低、国外技术的封锁以及国内研发力量不足等因素，国产OTDR与国外仍有很大的差距，市场化水平也低，国内市场基本上被国外产品所垄断，因此很有必要对OTDR的测试理论、所用的关键技术等作深入系统的研究。

Distributed optical fiber sensor ; optical time domain reflectometer; Brillouin scattering ; Raman scattering

分布式光纤传感器；光时域反射仪；布里渊散射；瑞利散射

A sort of strain sensor that is made of cycloidal stretch film piece and microbent modulation construction and a method of distributed optical fiber strain sensor by Optical Time-Domain Reflectometer are brought forward.

摘要提出了一种用圆形弹膜片和微弯调制机构进行应力传感，用光时域反射探测技术进行测量的分布式光纤应力传感方法。

An over view of the research background is introduced, and the advantages of the fully distributed optical fiber sensor on base of the OFDR (optical frequency domain backscattering reflectometry) are presented.

本文以分布式温度和光纤微弯损耗为对象以光频域Rayleigh散射和Raman散射为基础研究了全分布式光纤传感器的测试平衡条件、模型和算法。

Optical imaging in which the most sophisticated part of the design, whether or optical lens reflex camera, a slight change will affect the quality of CCD imaging, CCD could have received even less than the phenomenon of image signals.

其中光学成像部分的设计最为精密，无论是光学镜头或是反射镜头，稍有变动就会影响CCD成像的质量，甚至可能产生CCD接收不到图像信号的现象。

SABT can gain the time series of optical aberrations on the relative large aperture, advances the temporal and spatial information of optical wavefront aberration.

SABT能得到较大孔径上的光学畸变的时间序列，给出光波前畸变的时间及空间信息。

Firstly, the infrared optical system was usually designed to large-sized relative aperture system by reason of the target detected by the system was far, and weak radiant energy. However, the infrared image was suffered from geometric distortions due to wide-angle design of the infrared optical system.

为了获得更多的辐射能量，红外光学系统一般设计为大相对口径系统，这就不可避免的造成光学上像差校正的困难，进而导致红外图像的几何畸变。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。