屏蔽效果主要是靠吸收损耗与反射损耗。
Screening effect relys upon both absorption loss and reflection loss.
由挤塑过程所引起的微小的周期性不均匀将产生极大的反射损耗。
The micro periodic non uniformity produced in the manufacturing process will cause significant return loss.
开式谐振腔的Q值由衍射损耗,反射损耗,耦合引入的外部损耗共同决定。
Q factor of an open resonator is determined by the diffraction loss, reflection loss and external loss introduced by coupling as a whole.
实际的金属表面,其反射特性与材料、光源光波波长、散射及漫反射损耗有关。
The reflection character of a real surface of metalwork is related to the material, light wavelength, scattering and diffuse reflection.
反射过程本身不存在任何能量损耗。
The process of reflection does not in itself involve any energy loss.
反射过程本身不存在任何能量损耗。
The process of reflection does not in itself involve any energy loss .
全内反射现象与核心玻璃的高纯度一样,使光线几乎无强度损耗传递长距离成为可能。 。
Thee total internal reflection phenomenon, as well as the high purity of the core glass, enables light to travel long distances with little loss of intensity.
在激光反射镜的光学损耗里,表面散射损耗(SSL)对高精密的激光仪器性能和实验影响尤甚,有时是致命的。
The surface scattering loss (SSL) in the optical loss of laser reflectors is the main, sometimes fatal influence on the performance and test of high-grade precision and advance instruments.
考虑到光纤出射光束的发散,在有效反射率中引入了损耗因子,讨论了它的基本工作原理。
Its principle is discussed, taking the divergent optical beam emitted from the fiber into consideration, which causes a loss factor for the effective reflectance.
本文提出了预示激光反射镜光学损耗的简单表达式。
In this Paper simple expressions are reported for predicting the optical losses of laser mirrors.
全内反射现象与核心玻璃的高纯度一样,使光线几乎无强度损耗传递长距离成为可能。
The total internal reflection phenomenon, as well as the high purity of the core glass, enables light to travel long distances with little loss of intensity.
同轴传输反射方法可以用来测量高损耗材料的微波介电常数。
A coaxial transmission and reflection method can be used to measure microwave permittivity of high-loss material.
研究表明:反射镜的位置和半径存在着最佳值,在取得最佳值时,可得到最低的耦合损耗。
The study shows that the lowest coupling wastage can be obtained with the best position and radius of the reflector.
分析了圆柱形波导气体激光器中的耦合损耗,给出了最低阶波导模EH11的耦合损耗与反射镜位置、曲率半径的函数关系。
This paper analyses the coupling wastage in columniform wave guide gas laser, and gives the function between the coupling wastage of laser guide modulo EH11 and the position and radius of reflector.
本发明的反射蝇眼式光束均匀器,具有加工难度小,对加工材料要求不高,价格低廉,全反膜的损耗也很小。
Features of the invention are: easy of manufacture, not high requirement for material, and low loss of total reflection film.
同时,从同轴电缆的特征阻抗、反射波损耗、阻抗匹配这三个特性进行分析,探讨了在ALICE实验中如何保证实验数据在传输中的精确性,并提出了一些技术上的建议。
Meanwhile, the paper explores that how to guarantee precise of experiment data in ALICE experiment from some properties of coaxial cable, such as its characteristic impedance, loss of reflection wav…
描述了一种用两个激活谐振腔的损耗比较测量超高反射率的有效方法。
An effective methods for measuring ultra high reflectivity by comparing the loss between two active optical resonators is presented.
激光反射镜中的吸收散射损耗,限制了反射率的进一步提高。
The further improvement of the reflectance of the laser mirrors is restricted by the absorbing and scattering losses.
根据这一结论,光束在某些满足一定条件的充满增益或损耗介质的高斯反射镜腔的传输,可以视作连续的复数阶傅立叶变换过程。
The beam propagation between two Gaussian reflectivity mirrors filled with gain medium can be regarded as a complex-order Fourier transform process.
给出了光功率在光纤中的传输损耗及各种均匀媒质分界面上的反射损失。
It gives the transmission consumption of light power in light fiber and the consumption of reflection on interfaces of divisional homogeneous mediums have been investigated.
本文利用电磁波在金属表面的反射系数,推导出反射面天线表面欧姆损耗效率的计算公式。
Ohmic loss efficiencies of different high reflectivity reflector antenna metal surface are calculated at frequencies 30~300GHz.
更低的动力损耗膜材有较高的反射性及较低的光吸收低,而且热传导性较低,这极大程度上阻止太阳能进入室内。
4 lower power loss film material has high reflectivity and low light absorption, and low thermal conductivity, which largely prevent solar energy into the room.
铝膜是从紫外到红外都有很高反射率的理想材料,用它来研制的空芯光纤的直线损耗和弯曲损耗均较小。
Aluminum film is the only material with high reflectivity from ultraviolet to infrared. Both straight and bending loss of this kind of hollow waveguides are small.
结果表明来自粗糙海面的反射是计算雷达波沿粗糙海面传播损耗和刃形峰对雷达波衍射损耗的不可忽视的重要因素。
The results show that reflection from rough sea surface is an important factor in calculating propagation loss over rough sea and a knife-edge in the presence of rough sea surface.
作为传感元件,光纤光栅将被测的信息转化为其反射波长的移动,即波长解调,因此不受到光功率波动和系统损耗的影响。
As a sensor element, fiber optic and grating transformed the information into reflecting wavelength shift. It also named wavelength demodulation which is immune for light power waving and system loss.
在此基础上讨论了光纤端面相距反射镜为L时的耦合损耗。
The butted loss has been calculated when the distance between the fiber end and the mirror is L.
推导了耦合输出镜最佳反射率和泵浦功率损耗,浓度等参量的关系。
The equation that determines the function of optimum reflection Rk of the output coupling mirror M1 versus pump power, dye concentration, and loss is deduced.
推导了耦合输出镜最佳反射率和泵浦功率损耗,浓度等参量的关系。
The equation that determines the function of optimum reflection Rk of the output coupling mirror M1 versus pump power, dye concentration, and loss is deduced.
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