在弧前走过的光衰减为黑色。
光衰减器是一种广泛应用的无源光器件。
Optical attenuator is a kind of widely used passive optical component.
介绍了一种新的建立在相干检测原理上的光衰减标准。
A new optical attenuation standard device developing based on coherent detection principle is presented.
考察了紫外光固化光纤油墨及其组分对着色光纤光衰减的影响。
The influence of UV-curable ink on attenuation of colored optical fiber has been examined.
首先分析了光衰减器的光学原理，然后详细介绍了其电机定位系统。
First, it analyzed the optical theory of attenuator, then introduced the motor positioning system in detail.
角度偏转是光操作的一种方式，在光开关和光衰减器有广泛的应用。
Angle deflection is an effective operation on optics, which is widely used in optical switch and variable optical attenuator.
将光衰减器用作解调系统的光调制器，解决了解调系统光信号的调制问题。
The optical attenuation is used as optical modulator of demodulation system, which solves the problem of optical modulation.
提出一种新颖的温度不敏感电光振幅调制器和保偏可变光衰减器的设计方案。
A new design for temperature insensitive electro-optic modulator and variable optical attenuator is presented in this paper.
可调光衰减器(VOA)是广泛应用于光通信网络及光纤实验系统中的光无源器件。
The Variable optical Attenuator (VOA) is a kind of passive device that find wide application in optical communication network and optical fiber test system.
这种光衰减器是由电磁驱动插在两对准单模光纤间隙中的挡光片来实现光功率的衰减。
The device consists of an electromagnet moving ferronickel optical shutter interposed in a fiber gap, and it's actuation causes optical attenuation.
提出了具有可变光衰减的串联量子阱半导体光放大器的数字模型并与实验数据相匹配。
A model for the number of QW SOAs in series with variable optical attenuation is developed and matched to the experimental data.
该算法不用假设抽运光和信号光衰减系数相同，且可大大增加饱和放大状态下的迭代步长。
The assumption of equal signal and pump attenuation coefficients is no longer required, while the iteration step-size can be significantly enlarged even under saturated amplification.
本硕士论文对基于非硅基微加工技术的光开关及可调光衰减器的设计制作与分析进行了研究。
This thesis presents a study on the non-silicon based MEMS optical switch and variable optical attenuator.
本文报道了塑料闪烁体的技术光衰减长度的测量原理、方法和测量装置，并对影响此参数的因素进行了讨论；
This paper describes the principle, method and apparatus for measurement of technical light attenuation length of plastic scintillators. The factors that influences this parameter are discussed.
实验结果表明，它可将激光输出功率起伏由60%左右降到5%以下，并且此装置可作为线性很好的光衰减器。
Experimental results show that it can reduce the fluctuation of laser output from about 60% to 5%, and it can also be used as a linear laser attenuator with good performance.
同时新生的真实粒子衰减，(在其他事物之中)发出光、X射线和伽马射线。
Meanwhile, the newly real particles decay, giving off (among other things) light, X-rays and gamma rays.
该原则同样适用于侧光：侧光源离被摄主体近时，整个画面的光线衰减将比光源离主体远时更明显。
The same holds true for sidelighting: With a light close to the side of your subject, the falloff of light across the frame will be more pronounced than if the light is farther away.
对大气强抖动和弱抖动模式下空间光信道衰减模型做了深入分析，并用似然检测分析了系统性能。
The model of the optical channel in strong and weak turbulences is analyzed, the system performance is studied by maximum probability detection.
采用机制法通过对光、温、水、土逐级衰减计算了河南省各县市小麦的光、温、水、土自然生产潜力。
By using the mechanism method, the potential productivities of light, temperature, precipitation and soil were calculated by regression analysis in each county of Henan province.
单纯的PEG400仅对去角质皮肤有一定的光透明效果，并且所导致的皮肤衰减系数的降低仅为混合液作用后的2/3。
Single PEG400 can only do some effect on the sample without SC, and the change in attenuation coefficient of samples is just 2/3 of that treated by mixed solution.
YAP晶体具有优良的闪烁性能，其主要特点是衰减时间短，光产额大，在高能射线探测、核医学等方面有着广阔的应用前景。
Cerium-doped orthoaluminate(YAP:Ce) is a kind of scintillator with high light yield and fast decay time, which makes it a good choice for applications in high-energy physics and medical imaging.
这种球体对入射光存在折射、衍射、反射、吸收和杂质对入射光波的衰减作用等影响。
The sphere affects the incident by the refraction, diffraction, reflection, absorption and attenuation of impurity.
建立了基于谢多夫柱爆轰理论和冲击波反射与衰减理论的光船推力计算模型。
A model for thrust calculation was set up by combining Sedov's theory of self similarity solution for line explosion with shock wave theory of reflection and attenuation.
本文详细介绍一种光可变衰减器的工作原理、设计方法和试验结果。
This paper presents the operating principle, design methods and experimental results of an optical variable attenuator.
衰减全反射(包含多次反射)涉及到被透射介质从内部反射的光，格外是多次反射时。
Attenuated total reflection (including multiple reflection) involves light being reflected internally by a transmitting medium, typically for a number of reflections.
设计单波长准直光透射实验并通过实验测量组织模拟样品的总衰减系数；
Single wavelength collimation transmittance experiment is designed and conducted, with total effective attenuation coefficient of tissue phantoms being obtained.
这两种衰减速率一致光组合成我们所看到的白光，为色稳定性的近紫外芯片激发的余辉二极管的制备提供了依据。
The same decay rate of two kind of light are verified to combine the white light uniformly, providing the possibility for fabricating long aftergolow WLED with color stability during decay.
给出了衰减多脉冲光激发的双光子吸收几率的表达式。提出了一种简单易行的实验方案。
The expression of two-photon absorption probability for the decaying optical pulse series excitation is given and a simple experimental method is suggested.
给出了衰减多脉冲光激发的双光子吸收几率的表达式。提出了一种简单易行的实验方案。
The expression of two-photon absorption probability for the decaying optical pulse series excitation is given and a simple experimental method is suggested.
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