查询词典 optical

Dr. Zheng is active in research and development of advanced method and instrumentation for optical radiometry, calibration of satellite sensors, optical remote sensing and ocean optics.

郑小兵博士主要从事光学精确测量的先进方法与仪器、卫星光学传感器的高精度定标、光学遥感和海洋光学等方面的研究。

The optical element comprises: a plurality of rectangular prisms for dividing linear visual field, and is characterized in that the effective work area of each rectangular prism is a linear narrow slit, which can perform visual field division of the light beam from a long linear geographical object and turn the divided visual field into separate light beams for the rational space arrangement of the subsequent optical elements.

光学组件包括：用于分割线型视场的多个直角棱镜，其特征在于：各直角棱镜中的有效工作区域均为一线型窄缝，可将长线型地物目标光束按需要进行视场分割，并将各分割后的视场形成空间分离的光束，以便于后续光学组件的空间合理排布。

Influence of Vibration on Optical Receiving Power in Rectilinear Mobile Wireless Optical Communication.

直线运动型无线光通信中振动对光接收功率的影响分析。

In infrared region, the monitoring of the optical films is characterized by the reflectance of the optical monitoring.

在红外波段，光学薄膜的监控是以反射率光学监控方法为其主要特征的。

In discussing the properties of reflection and refraction of fiber grating, the coupled-mode equation, envelope function, transform matrix formalism, multilayer and optical path approximation are used for describing the linear and nonlinear characteristic of optical fiber grating.

在分析光栅的反射和透射规律时，采用了耦合模式法，包络函数法，转换矩阵法，多层介质薄膜法以及光程法，这些方法虽然具有不同的数学和物理模型，但在分析光纤光栅这一特殊的波导结构时，可充分展现它的线性和非线性特性。

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

I go to school at night.

我是上上学。

Clear Tip Nasal Aspirator: A soft time and gentle suction action makes removing excess mucus easy.

鼻吸明确提示：一个柔软的时间和温柔吸力行动使消除过剩的粘液容易。